Net Zero Carbon Buildings Declaration - Planned Actions to Deliver Commitments - C40 Cities
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Cape Town ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS Establish a roadmap for our com- The roadmap for Net Zero Carbon mitment to reach net zero carbon buildings in Cape Town will be in- buildings. formed by the C40 South Africa Buildings Programme and the Dead- © Istock / Mlenny line 2020 pathways. Developing the roadmap will involve the update of the current Energy 2040 model to Carbon Neutral 2050, revision of the targets, extensive stakeholder and sectoral engagements, council DECLARATION COMMITMENT SPECIFIC EXAMPLES OF EXISTING OR PROPOSED REGULATIONS approval, roadshows etc. AND POLICIES Enact regulations and/or planning A proposed new building by-law The City is participating in the C40 Develop a suite of supporting in- Incentive and disincentive packag- inclusivity of the urban core. This is policy to ensure NEW buildings op- is being developed as part of work Reinventing Cities programme and centives and programmes. es for carbon neutral developments fundamental to achieving a carbon erate at net zero carbon by 2030. supported by the C40 South Africa has selected five sites to be cata- are being developed under the C40 neutral city. To drive this transfor- Buildings Programme. The inten- lytic demonstrations for the design South Africa buildings Programme. mation, the MSDF supports prioriti- tion of bylaw is to ensure that all and implementation of carbon neu- This also includes specific develop- sation of public investment and in- new buildings are net zero carbon tral developments. Carbon neutral ment conditions incentives for the centivised private sector investment by 2030. It will address mandatory development conditions currently transit-oriented development (TOD) within the urban core; development requirements to optimize the design being developed will be applicable sites and zones. outside of the core areas is actively and construction of buildings and to these catalytic sites – it is intend- discouraged through lack of invest- building services such as heating, ed that these will be extended to Further to this, the Municipal Spatial ment in infrastructure support, zon- cooling, ventilation, and lighting. all precinct scale developments in Development Framework (MSDF) is ing etc. Cape Town. premised on spatial transformation: intensification, diversification and Enact regulations and/or planning A proposed Residential ‘Sustainabil- Energy Performance Certificates – policy to ensure ALL buildings op- ity Declaration’ by-law will require by 2019 National Government will erate at net zero carbon by 2050. that, at the point of marketing of all require all non-residential buildings ADDITIONAL MUNICIPAL DESCRIPTION houses this declaration will be made >1000sqm to publicly display build- BUILDINGS COMMITMENT available to prospective buyers by ing energy consumption. Further to the seller (via the estate agents or this, the City will aim to establish directly). The declaration will serve energy performance benchmarking Own, occupy and develop only The City of Cape Town is developing Due to the high investment cost of to inform the buyer about the sus- targets (including small scale em- assets that are net zero carbon in an ‘Integrated Resource Manage- retrofitting and competing asks for tainability features (namely energy bedded renewables) for all building operation by 2030. ment Protocol for Municipal Oper- budget, implementation will rely and water) and operating costs of types. Specific targets with dates ations’. Municipal building specifi- on the development of appropriate a residential property, and so drive for the transition to net zero carbon cations are being developed which business models so as to manage retrofit improvements (by sellers for all buildings by 2050 will be in- will require that all new municipal challenging budget availability (and and/or buyers). formed by the modelling currently buildings be net zero carbon in op- staff capacity to manage retrofits). underway. eration by 2030. In addition to ac- Therefore, actively seeking climate tions already undertaken and under- finance advice and access will need way (see below), existing municipal to play an important role in the mu- buildings will require a further de- nicipalities ongoing approach to de- tailed zero carbon retrofit plan with livering this commitment. costing, in consultation with key City stakeholders and including the identification of capacity within the municipality. 2 Net Zero Carbon Buildings Declaration C40 3
ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS Evaluate the current energy de- The municipality undertakes regular These include: mand and carbon emissions from assessments of municipal buildings’ • retrofitting of 39 large municipal our municipal buildings, and iden- energy demand and carbon emis- administrative buildings to date; tify opportunities for reduction. sions. • installing of rooftop PVat 7 build- Monitoring and reporting is done ings with a total capacity of 523kWp, annually. In 2016,municipal buildings with planned installation of 844 were responsible for 87 853 tCO2e. kWp at 8 additional sites this year; Much of this process is now auto- mated through an integrated mu- • measurement and verification on nicipal smart data platform–this is all projects; under constant improvement. • smart metering to improve energy To date, the municipality has management and measurement/ undertaken numerous supporting reporting; actions to reduce energy consump- tion and carbon emissions from • Fundamental Energy Management its buildings: training of facility managers. Establish a roadmap for our A roadmap for net zero carbon commitment to reach net zero municipal buildings by 2030 will be carbon municipal buildings. developed by 2019. This will be informed by ongoing work on the C40 South Africa Buildings Programme, Deadline 2020 Climate Action Plan programme and the ‘Integrated Resource Management Protocol for Municipal Operations’. EXAMPLE OF FINANCIAL RESOURCES AVAILABLE TO DELIVER THE COMMITMENTS • City of Cape Town budgets • National grant budgets • Staff resources • Partnerships with relevant stakeholders • Climate finance © Mlenny / Getty images 4 Net Zero Carbon Buildings Declaration C40 5
Copenhagen ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS Establish a roadmap for our com- No specific roadmap will be estab- One of the four themes within this mitment to reach net zero carbon lished for our commitment to reach plan focuses on reducing ener- © Istock / Brzozowska buildings. net zero carbon buildings, since the gy consumption, and it consists of CPH2025 Climate Plan aims for car- multiple initiatives that need to be bon neutrality in Copenhagen by implemented to achieve this ambi- 2025. It consists of three roadmaps tious target of carbon neutrality in a divided over the lifespan of the plan: cost-effectively way. • 2013 - 2016 • 2017 - 2020 DECLARATION COMMITMENT SPECIFIC EXAMPLES OF EXISTING OR PROPOSED REGULATIONS • 2021 - 2025 AND POLICIES Enact regulations and/or planning Copenhagen does not have regu- Copenhagen have set four ambi- Develop a suite of supporting The current Roadmap 2017-2020 in- • Energy savings in properties in- policy to ensure NEW buildings op- latory powers related to energy in tious targets related to energy sav- incentives and programmes. cludes 9 initiatives with a focus on volved in urban-renewal projects erate at net zero carbon by 2030. new private buildings, it is the na- ings, to ensure the success of the reducing the energy consumption • Energy savings in social housing tional building regulations that set CPH2025 Climate Plan will be as within the existing building stock. requirements in this area. However, cost effective as possible. It is esti- Furthermore, Copenhagen have also it needs to be stated that the na- mated that Copenhageners could established different schemes with tional building regulation are really save approx. DKK 500 million p.a. financial support: ambitious, and have a strong focus on heating bills. Target set for the on a low energy usage in buildings. energy consumption in Copenhagen by 2025: Instead Copenhagen’s ambitious CPH2025 Climate Plan will ensure • 20% reduction in heat consumption that Copenhagen is supplied by • 20% reduction of electricity con- 100% carbon neutral electricity and sumption in commercial and service heat in 2025, which means our build- companies ings will be net zero carbon users. • 10% reduction of electricity con- Together with the city utility com- sumption in households pany the Copenhagen will invest • Installation of solar panels corre- in new wind turbines and develop sponding to 1% of electricity con- biomass fuelled combined heat and sumption in 2025. power networks. This also need to be considered in the context of Co- It is important to emphasize that penhagen where most buildings are Copenhagen cannot ensure the suc- connected to district heating net- cess of these targets through regu- works and there are very few build- lations, but instead we must develop ings requiring individual solutions. different initiatives that will increase the building owner’s incentives to invest in energy savings. Enact regulations and/or planning As abovementioned, CPH2025 Cli- Therefore, there is high focus in policy to ensure ALL buildings op- mate Plan will ensure that all build- CPH2025 Climate Plan on energy erate at net zero carbon by 2050. ings in Copenhagen will be supplied retrofitting, and ensuring an effi- by carbon neutral energy by 2025. cient operation of district heating Also, the abovementioned targets units in the basement of the large are applicable for existing buildings, buildings. and most of the initiatives we de- velop focus on the existing building Furthermore, Copenhagen also have © Allard1 / Getty Images stock. a vision of becoming fossil free by 2050, which will also include the construction phase of buildings. 6 Net Zero Carbon Buildings Declaration C40 7
ADDITIONAL MUNICIPAL DESCRIPTION ADDITIONAL MUNICIPAL DESCRIPTION BUILDINGS COMMITMENT BUILDINGS COMMITMENT Own, occupy and develop only In the CPH2025 Climate Plan there The buildings owned by Copenha- Develop a suite of supporting in- Annually the department of building heating units, ventilation, lighting assets that are net zero carbon in is a target to reduce the energy con- gen municipality will be net zero centives and programmes. properties develops detailed busi- and other systems. These business operation by 2030. sumption within the municipal build- carbon buildings by 2025, due to ness cases that describe the new cases ensure funding for a number ing stock (approx. 2. Million m2) by Copenhagen being 100% supplied initiatives, their costs and potential of projects, which can then be im- 40% over 2010 levels. This is a highly by carbon neutral electricity and energy savings. There is a high focus plemented afterwards. ambitious target that requires inno- heat from our utility company HO- on energy efficiency since the huge vation and a strong political will. FOR. potential in operating the district Evaluate the current energy de- Copenhagen won the C40 award There is an established a task force mand and carbon emissions from due to our comprehensive ener- in the department of building prop- EXAMPLE OF FINANCIAL RESOURCES AVAILABLE TO DELIVER THE COMMITMENTS our municipal buildings, and iden- gy surveillance system, which is erties, that works on how the mu- tify opportunities for reduction. installed in almost all municipal nicipality can save energy from its • The City of Copenhagen have a financial scheme for private building owners, who can apply for co-funding in buildings. This allow us to monitor buildings. With the help from the larger retrofitting projects. The scheme is partly financed by the municipality and the national government, and the electricity, heat and water con- energy surveillance system this task the total funding varies year by year. sumption on an hour-by-hour basis force identifies opportunities, and through a digital system. The sys- on based on this information devel- tem also estimates what the energy ops aconcrete business cases. Also, consumption should be based on if suddenly a building has an unusual different parameters e.g. weather, consumption pattern, the task force and thereby it is possible to com- can act upon this. pare that to the actual consumption. It is a state of the art solution devel- Copenhagen has since 2012 suc- oped in collaboration with different ceeded in reducing the energy con- private stakeholders, and it is now sumption within the municipality’s being upscaled to the private build- building stock by approximately 8%. ings in Copenhagen. Currently we are developing a meth- od to monitor the total energy use on a yearly basis, which will make it much easier to monitor the over- all progress of reducing the energy consumption by 40%. Establish a roadmap for our com- Copenhagen has with the CPH2025 The City of Copenhagen has also mitment to reach net zero carbon Climate Plan set our path towards developed a specific plan for social municipal buildings. 2025, and within this plan the mu- housing and municipal buildings nicipal buildings have a high polit- called ‘Sustainability in Construction ical focus. Roadmap 2017-2020 is and Civil Works’. This plan allows us our current working programme to set more ambitious building re- that dictates how we will achieve quirements than the national codes. our target. But in 2021 we will estab- E.g. this plan requires that all new lish a new Roadmap for 2021-2025, buildings constructed will be more which will include new initiatives ambitious than the current valid na- that will allow us to reach net zero tional code, and instead meet the carbon buildings. future code applicable from 2020. Also, it sets high requirements for retrofitting projects in social hous- ing and municipal buildings. © Martin Heiberg 8 Net Zero Carbon Buildings Declaration C40 9
Durban ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS EThekwini Municipality Establish a roadmap for our com- The Municipality is developing a It is envisaged that by 2025, a 10% mitment to reach net zero carbon pathway for net zero carbon new reduction from 2018 will be achieved © Istock / michaeljung buildings. buildings as part of work supported on new buildings, and by 2050 a by the C40 South Africa Buildings 70% reduction from 2025 will be Programme. achieved. This will be coupled with a progressive increase in on and off- In addition, the Municipality is cur- site RE generation. rently developing its Paris Agree- ment compatible climate action plan to ensure the city emissions are DECLARATION COMMITMENT SPECIFIC EXAMPLES OF EXISTING OR PROPOSED REGULATIONS neutral by 2050 and meets its com- AND POLICIES mitment to the Paris Agreement. Enact regulations and/or planning EThekwini is working towards im- a requirement to reduce electricity Develop a suite of supporting Incentive Programmes are already policy to ensure NEW buildings op- plementing ambitious local legisla- consumption from approximately incentives and programmes. under development for the New erate at net zero carbon by 2030. tive measures by 2020 that would 175kWh/m2/year to approximately Buildings Programme. enhance national regulations by al- 75kWh/m2/year. Additional mea- lowing for all new buildings to be sures in the revised standards in- Furthermore, conceptualisation has Net-Carbon Zero, by 2030. Existing clude: an energy map replacing the begun for a ‘Shared Savings model’ responses in the Durban Climate climatic map, introduction of cavity for privately owned buildings. This Change Strategy include: “Business- walls, insulation of exposed flooring, concept will shift the upfront capital es adopt a range of energy efficien- and shading by latitude. burden of energy efficiency and re- cy technologies with 90% of light- newable energy interventions from ing, heating, ventilation and cooling In addition, eThekwini Municipality the property owner to Energy Ser- (HVAC) and water heating equip- is exploring embedding appropriate vices Companies. ment within facilities becoming en- requirements in Land-use Planning ergy efficient by 2030”; “40% of schemes. A simple example of this Durban’s electricity consumption is would be that a particular site must supplied from renewable energy by include renewable energy that sup- ADDITIONAL MUNICIPAL DESCRIPTION 2030 in line with the national long plies at least 50% of the site’s ener- BUILDINGS COMMITMENT term mitigation targets”. gy requirements. The South African National Devel- Own, occupy and develop only as- EThekwini commits to ensure that lation and cooling (HVAC), distribu- opment Plan specifically aims to; sets that are net zero carbon in op- all new and existing facilities that tion systems, water and waste water “Progressively strengthen the ener- eration by 2030. are owned, occupied and developed treatment and water heating equip- gy efficiency criteria set out in the by the city are net-zero carbon in ment within facilities becoming en- South African National Standard operation by 2030. ergy efficient by 2030”. 204 to achieve a zero carbon build- ing standard by 2030”. The latest The greenhouse gas emissions of lo- By the end of 2019 the Municipality iteration of the standards will be cal government operations are cal- will have delivered a roadmap that ready for implementation, by lat- culated and accounted for on an an- will outline how all municipal facili- est in early 2019. These will include nual basis. This accounting process ties, new and existing, will reach net includes focusing on individual fa- zero carbon in operation by 2030. cilities and identifying performance The roadmap will build on the Enact regulations and/or planning Detailed analyses, consultations, It is thought, that an incentive and improvement opportunities. Durban Climate Change Strategy policy to ensure ALL buildings op- and interventions will be undertaken voluntary approach will be included that already includes a response erate at net zero carbon by 2050. before specific regulations and pol- – that could be potentially extended Indeed, the Durban Climate Change for embedding renewable energy icies are developed to deliver this to existing buildings from the C40 Strategy includesthe following technologies on municipal assets. commitment. Dependant on out- New Buildings Programme, which is wording: This roadmap will consider how the comes of the research and available focusing on new buildings. “Implement viable small-scale re- energy load will be switched to re- financial mechanisms, eThekwini is newable energy generation such newable sources, ideally powered of the view that this target can be as micro-hydropower, rooftop solar by on-site generation, then off-site achieved. This will be done to align photovoltaic and anaerobic digest- purchases. The strategy will consid- with the commitment of the Munici- ers within municipal assets”...“EThe- er if any offsets are required and the pality to develop a Paris Agreement kwini Municipality adopts a range role energy efficiency can play in compatible climate action plan by of energy efficiency technologies reaching this ambitious goal. 2020. with 90% of lighting, heating, venti- 10 Net Zero Carbon Buildings Declaration C40 11
ADDITIONAL MUNICIPAL DESCRIPTION BUILDINGS COMMITMENT Evaluate the current energy de- All Municipal owned properties are- Pipeline projects already exist for mand and carbon emissions from already being individually assessed municipal facilities, in terms of en- our municipal buildings, and iden- for yearly energy consumption, ergy efficiency. However, a com- tify opportunities for reduction. which is utilised to calculate their prehensive plan will be drafted. The carbon emissions. For 2016, Munic- plan will be submitted for formal ipal buildings emitted 134,822tCO2e approval of the eThekwini Municipal and these figures are updated on an Council, and will probably be called annual basis. “Existing Municipal Net-zero carbon Buildings Pipeline Programme”. Detailed baselines for each facility will be undertaken 1 year before a retrofit or replacement project. Establish a roadmap for our com- By the end of 2019 the Municipality mitment to reach net zero carbon will have delivered a roadmap that municipal buildings. will outline how all municipal facili- ties, new and existing, willreachnet zero carbon in operation by 2030. EXAMPLE OF FINANCIAL RESOURCES AVAILABLE TO DELIVER THE COMMITMENTS • It is important to keep in mind eThekwini Municipality is a developing city, in a developing country, on a develop- ing continent. As a result, there are a multitude of pressing aspects that need urgent attention, such as provision of housing, water and sanitation. • The development of policies, generally have low financial costs and will be covered by eThekwini Municipality. However, it is highly likely that prior to development of relevant policies, detailed assessments and studies will have to be conducted. Depending on the cost of these assessments, it might necessitate eThekwini Municipality approaching C40 for additional support. • If financial Incentives are offered to property owners, this will be covered through standard budgeting processes of eThekwini municipality. • Within that context, eThekwini Municipality has established a small team of experts within the Energy Office that will drive the processes at a strategic level, with critical input from Architecture Department, Planning Unit, and other relevant Units. © wildacad / Istock 12 Net Zero Carbon Buildings Declaration C40 13
Heidelberg Enact regulations and/or planning • We have commissioned a detailed • Photovoltaic systems are also a policy to ensure NEW buildings op- solar potential analysis for munici- stipulation for any building built in erate at net zero carbon by 2030. pal buildings that is currently being the conversion development areas, finished. We are constantly working according to the energy concept together with the municipal utility of the conversion development ar- to install photovoltaic systems on eas. Any suitable free roof areas of high potential roof areas of schools, the constructed buildings should be kindergartens, sports halls etc. used for solar systems, either solar © Istock / AW thermal or photovoltaic. Enact regulations and/or planning The Masterplan 100% Climate Pro- • The Office of Environmental Pro- policy to ensure ALL buildings op- tection (Climate Action Plan) in- tection of the City of Heidelberg has erate at net zero carbon by 2050. cludes carbon reduction targets of published a guideline to using com- DECLARATION COMMITMENT SPECIFIC EXAMPLES OF EXISTING OR PROPOSED REGULATIONS 95% by 2050, and a decrease in final bined extensive roof greening and AND POLICIES energy demand by 50% until 2050. photovoltaics. To achieve this there are existing and planned support programs for The city aims to increase the share Enact regulations and/or planning Heidelberg are working towards net Expand Heidelberg district heat- energy renovations: of renewables in district heat and policy to ensure NEW buildings op- zero carbon new buildings through: ing grid and enhance the renew- electricity to 100% in 2050 and is erate at net zero carbon by 2030. able share of district heat. The main • Already established: Support Pro- doing so via: Energy Concept Bahnstadt (new strategies of our municipal utility to gram “Rational Use of Energy”. This buildings in the district must be built decarbonise the district heat grid program offers citizens who achieve • Replacing oil and natural gas by according to Passive House Stan- are energy renovations at a certain stan- fuels from regenerative sources and dards) dard a subsidy based on the area electric heat pumps. 1. Connect waste incinerator CHP to that receives insulation. It supports Energy Concept Conversion Areas the grid both individual measures as well as • District heating is our current main (new buildings in areas must be complete renovations and the con- focus of decarbonising heating in built according to Passive House 2. Build power-to-heat plant com- struction of new Passive Houses. the city. Standards) bined with heat storage using cheap renewable power from peak solar or • Already established: Offer con- • An additional goal is increasing the Energy Concept 2010 of the City of peak wind sultancy on energy use (Climate share of district heat on the heating Heidelberg (all new buildings built Protection and Energy Consulting market from 47 to 50 percent by on properties bought from the mu- 3. Investigations on the potential of Agency KliBA as well as “electricity 2030 – but we expect to realize a nicipality must be built in Passive low-ex district heat to benefit the use savings check” program) higher share. House Standard) of renewable heat in district heating systems at a lower temperature level • Develop energy redevelopment Strict regulation on energy retro- Due to federal building laws, the city (i.e. solar thermal, geothermal, sew- concepts for specific districts. fits is not suitable for the City of has limited power to set building er heat, waste heat from data cen- Heidelberg because there is limited standards within the city. New de- ters etc.) and heat production using Further improvement of building regulatory power and the city has velopment areas, such as the Bahn- heat pumps are in process standards for renovations concern- a high share of listed buildings that stadt or the conversion areas, are an ing heating, cooling and electricity are landmarks of the city landscape. exception as the city can set stipula- Enhance solar energy use on build- include: However, the city can define a rede- tions within the purchase agreement ings • Raising rates and standards of ret- velopment area and the municipal of the plots of land. In areas that are rofits, particularly insulation – for council can issue a redevelopment outside of our control, we are trying • The city is currently running a renovations of municipal buildings statute, which is currently the case to incentivise building developers support campaign for solar energy as well as privately owned buildings. for the conversion areas within the with our support program “Rational use that offers free consultations to This is mainly encouraged through city. Further redevelopment plans Use of Energy” that subsidises the homeowners. In 2018 this was lim- the already established support pro- are under discussion. construction of Passive Houses. ited to residential buildings, it has gram “Rational Use of Energy” (see Additionally we are advocating to been extended to commercial build- above). Our main strategy to reach net zero national government for both more ings since. carbon buildings is to focus on de- power and higher national ener- • Cooling strategies like exterior carbonising heat and electricity and gy efficiency requirements for new • The municipal utility (Stadtwerke shading and natural night cooling incentivising retrofits through our buildings. Heidelberg) also offers leasing ser- are communicated to planners, ar- support programs as well as offer- vices that make it easier for home- chitects and engineers in municipal ing free consultations from the en- The use of off-site production of re- owners as well as tenants to use projects. ergy agency KliBA. newable energy and offsets could their own buildings for solar energy also be used to tackle areas where production. (ENERGIEDACH and we have limited powers. MIETERSTROM) 14 Net Zero Carbon Buildings Declaration C40 15
ADDITIONAL SUPPORTIVE DESCRIPTION ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS ACTIONS Establish a roadmap for our com- A roadmap has not been estab- This applies to private buildings as Evaluate the current energy de- The City of Heidelberg has been us- From 1993 to 2015 the monitoring mitment to reach net zero carbon lished yet, however the next few well in the case of property sale by mand and carbon emissions from ing an Energy Controlling System and the resulting building optimiza- buildings. steps have been set. the municipality where the compli- our municipal buildings, and iden- (ECS) to monitor the current ener- tions and renovations have resulted ance with the municipal energy con- tify opportunities for reduction. gy demand of municipal buildings in energy reduction by 62% and re- In response to the Lord Mayor de- cept is regulated in the sales con- since 1995. duction of CO2 emissions by 57%. claring the climate emergency, an tract. action plan will be presented to the All municipal buildings are moni- The Office of Environmental Protec- municipal council later this year. This Detailing concept for turnover to tored in general. However, the build- tion, Trade Supervision and Energy might include actions that will play 50% renewables in district heat grid ings responsible for 80% of the en- runs the municipal energy manage- into NZC Buildings developments. by 2030. ergy demand are monitored in detail ment using the ECS. Updating the Masterplan 100% Cli- In general, support programs will mate Protection (Climate Action most likely be updated and more Plan) in 2020 to set interim targets heavily advertised. Focus will not for 2030. only be retrofits and building stan- EXAMPLE OF FINANCIAL RESOURCES AVAILABLE TO DELIVER THE COMMITMENTS dards but also carbon free energy Updating the Energy Concept 2010 supply. This is due to the fact that • Financial Support Program “Rational Use of Energy” (subsidies of energetic renovation measures) of the City of Heidelberg in 2020 not all buildings in Heidelberg are to further improve building energy fit for energy renovations because • Financial Support Program “Energy Efficiency in Companies and Clubs” (subsidies of investments in energy effi- standards. [see also Municipal Build- of the protection of historical mon- ciency within companies or clubs) ings Commitment] uments. • Municipal budget for Municipal Energy Management, quality control in Passive House construction, etc. Develop a suite of supporting in- Solar campaign to increase the City of Heidelberg) and the energy centives and programmes. number of buildings that have solar agency KliBA for architects and en- panels on their roof (already estab- gineers to increase skills and knowl- lished). edge of energy efficient building (already established). Seminars and training courses by the energy division (of the Office of Environmental Protection of the ADDITIONAL MUNICIPAL DESCRIPTION BUILDINGS COMMITMENT Own, occupy and develop only as- Energy Concept 2010 of the City of The City of Heidelberg current- sets that are net zero carbon in op- Heidelberg (all new municipal build- ly procures 100% renewable elec- eration by 2030. ings must be built in Passive House tricity from its own municipal utili- Standard) ty. The electricity has the German “Grüner Strom-Label” which is the A Municipal Energy Management is highest seal of approval given by established to work on optimizing an independent association that is operations as well as supervise ren- endorsed by leading environmental ovation projects and new construc- organizations in Germany. tion projects to ensure the energy https://www.gruenerstromlabel.de/ concept is adhered to. en All municipal buildings receive re- To reach the 100% renewable heat newable electricity. All municipal target, the City of Heidelberg will © Westend61 / Istock buildings will be supplied with re- have to procure carbon-free gas newable heat by 2030 alternatives such as biogas or syn- thetic gas from power-to-gas, using renewable electricity (windgas). 16 Net Zero Carbon Buildings Declaration C40 17
Johannesburg ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS Establish a roadmap for our com- • The city will be developing a road- © Istock / FrankvandenBer mitment to reach net zero carbon map for NZC buildings as part of the • This roadmap to NZC buildings will buildings. work it is implementing with support entail the following: from the C40 South Africa Buildings Programme that is running until the - Strategic appraisal of all EE, end of 2020. DSM policies and by-laws within the city • Johannesburg’s pathway towards - Review of local and internation- carbon neutrality involves a base- al best practice w.r.t. low- and line assessment of the building plan zero-carbon buildings and devel- DECLARATION COMMITMENT SPECIFIC EXAMPLES OF EXISTING OR PROPOSED REGULATIONS approvals and their compliance to opments Stakeholder engage- AND POLICIES the SANS 10400-XA building regula- ment and communications tions. Compliance to the regulations will be measured at a precinct level - Development of Green Building Enact regulations and/or planning • The City of Johannesburg is cur- Energy Efficiency Bylaw. The City is by 2020 i.e. the Inner City Regenera- Policy/ By-Laws – By December policy to ensure NEW buildings op- rently implementing the New Build- currently in the process of develop- tion programme The City will review 2019 erate at net zero carbon by 2030. ing Efficiency programme which ing its Green Building or Energy Effi- the existing EE Design Guidelines aims to enhance the City’s current ciency Bylaw for all new and existing that were developed in 2009, with - Develop a suite of incentives policy work towards ensuring the buildings to mandate higher energy the aim of creating awareness on programmes to support the pro- development of net zero carbon performance requirements for the building ‘design for climate’ strate- gramme new buildings. construction of ultra-efficient build- gies through extensive stakeholder ings within the City. engagements with developers and - Consultations and stakeholder •In 2008, the City developed design designers. The City’s Energy Effi- engagements with internal and guidelines for Energy Efficiency in •The City of Johannesburg is com- ciency Retrofit guidelines (2017) are external stakeholders to inform– Buildings with the emphasis on inte- mitted to a green economy transi- currently underutilised and provide ongoing grating design solutions to minimise tion as indicated in growth and de- an opportunity to. The City will lever- energy demand in buildings, these velopment strategy for 2040 and age on built environment industry - Measurement of energy per- guidelines provided an outline sim- beyond; in particular, Outcome 2 reduce energy demand and enhance formance though a pilot pro- ilar to the SANS 204 standard of the which states that “The City plans building energy performance for res- gramme – 2019-2020 National Building Regulations that to lead in the establishment of sus- idential and commercial buildings was later developed in 2011. tainable, eco-efficient infrastructure solutions from the Green Building - Education and Awareness - on- solutions (e.g. housing, eco-mobili- Council (GBCSA), DoE and existing going •The City will review the existing ty, housing eco-mobility, waste, wa- development concepts. Energy Efficiency Design Guidelines ter and sanitation and information that were developed in 2009, with and communication technology) to the aim of creating awareness on create a landscape that is liveable, Develop a suite of supporting in- The City will investigate the option Non-financial: building ‘design for climate’ strate- resilient, sustainable and supports centives and programmes. of financial and non-financial incen- Expedited application processes, gies through extensive stakeholder low carbon initiatives. tives to support the Net Zero Car- assistance in applying for grants or engagements with developers and bon in buildings, these include the tax incentives; ‘bulk bonus’ for green designers. This process will inform following: buildings (increased revenue stream the programme scoping or the de- i.e. more bulk = revenue base). velopment of the Green Building or Financial: • Rates rebates – evidence-based cost-benefit analysis (CBA), Re- • Engagement around incentives/ Enact regulations and/or planning • The proposed Green Building/ En- • Furthermore, the Energy Efficiency duced Application costs, access to disincentives programme in order to policy to ensure ALL buildings op- ergy Efficiency Bylaw will apply to Retrofit guidelines were developed municipal negotiated finance and/ bring private developer’s to the ta- erate at net zero carbon by 2050. both new and existing buildings (in- by the City in 2017 in order to guide or interest rate reductions from fi- ble (towards zero-carbon) will look cluding major refurbishments) for building owners and managers on nancial institutions; Increase of de- at creating a recognition platform planning and building approval. effective ways to encourage the in- velopment tariffs to non-compliant in the form of “green leadership crease of energy efficiency of exist- developments. awards” programme endorsed by ing buildings. the City to award the most innova- tive sustainable solutions. • Mayor’s 71 Properties programme within the Inner City to dispatch mu- nicipal land to developers for revit- alisation and redevelopment. 18 Net Zero Carbon Buildings Declaration C40 19
ADDITIONAL MUNICIPAL DESCRIPTION Establish a roadmap for our com- • Through the C40 South Africa BUILDINGS COMMITMENT mitment to reach net zero carbon Buildings Programme, development municipal buildings. for a transformation Green Building By-Law which will include all build- Own, occupy and develop only as- • The development of a Green Build- investigating local PV and off-grid ings and thus align with the declara- sets that are net zero carbon in op- ing By-Law with voluntary and man- solutions for municipal buildings by tion target. eration by 2030. datory energy performance require- 2025–and will look at energy supply ments will apply to both new and solutions to support indigent settle- existing municipal building stock. ments for energy security and safe- Develop a suite of supporting in- • The City has embarked on an Ed- • The City will also empower young guard the infrastructure in the City centives and programmes. ucation and Awareness approach graduates to perform energy audits • As part of the Energy Efficien- network. The City has a target of to empower its Facilities Managers for municipal buildings which will cy and Demand Side Management 40 MW for alternative energy gen- through a training programme -the lead to detailed studies further au- (EEDSM) programme under the eration for the current 2018/19 year Fundamentals of Energy Manage- diting building energy performance. National Energy Efficiency Strate- which could potentially increase the ment Training course was held in gy (2015), the city will continue to uptake of renewable energy. partnership with the Johannesburg • The City has the potential to re- retrofit its own buildings in order to Information and Knowledge Ex- ceive grant funding of all EE and optimise the energy performance • With regard to ensuring net zero change (JIKE) hub on the July 11, DSM initiatives through DoE’s VNA- of all its buildings and to meet the carbon buildings the City is look- 2018. MA facility. net zero carbon target. The City of ing at exploring two through small- Johannesburg has been selected to scale embedded generation in line pilot the Energy Efficiency in Pub- with the national NERSA regulations lic Buildings Programme (EEBIP) in which the building owner invests EXAMPLE OF FINANCIAL RESOURCES AVAILABLE TO DELIVER THE COMMITMENTS which is currently being developed in PV assets. The City will also in- by the Department of Energy (DoE) vestigate the design of a program • For all new buildings, C40 has embedded a technical resource who is helping the City for three years. The re- to complement the EEDSM pro- to create a portfolio of PV power on source, enabled by financial support from C40, is enhancing the city towards pathways to a Net Zero Carbon gramme through the Vertical Na- the roofs of customers, with a cor- through review of the By-Law and other Key baseline studies linked to SANS 10400. tional Appropriate Mitigation Action responding allocation of the green (VNAMA) facility. The City will use energy to participating customers • In an effort to achieve NZC target, the city will avail its budget to advance the NZC buildings agenda. this platform to integrate building anywhere on the grid. Whilst the design and technical solutions to development of this project is cur- • The City will also leverage from available Green Climate Funding initiatives. accelerate the efficiency of our own rently at an early strategic and proj- buildings in order to meet the net ect planning stage, we are actively zero carbon target for all our build- exploring how to ease the burden ings. of operating small-scale PV systems for stakeholders involved in the day- • In line with the Energy Plan, the to-day management and operation City is currently in the process of of municipal building stock. ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS Evaluate the current energy de- • Benchmark existing energy de- • Model potential costs and savings mand and carbon emissions from mand and emissions from municipal impact of 100% penetration of the our municipal buildings, and iden- building stock through GHG Inven- best known efficiency interventions tify opportunities for reduction. tory which is currently being updat- and prioritise EE and RE interven- ed – November 2018. tions and set targets for all buildings – March 2019. • Conduct audit of electricity con- sumption and establish a baseline for energy consumption and emis- © Getty images / CHAIWATPHOTOS sions trajectory – dependent on budget availability Jan 2019. 20 Net Zero Carbon Buildings Declaration C40 21
London ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS Establish a roadmap for our com- New build National Policy mitment to reach net zero carbon • Adoption of new London Plan pol- • The Mayor’s programmes alone © Istock / _ultraforma_ buildings. icy (expected 2019), subject to ex- cannot deliver the necessary mea- amination in Public. sures to meet the zero carbon am- • A new requirement for developers bition. This will also require support- to monitor buildings post-construc- ive policy and funding from national tion for at least five years to assess government. The Mayor will con- compliance with zero carbon target tinue to advocate for policies that as part of London Plan adoption can be delivered by government, or (subject to examination in public) by devolving more powers to the DECLARATION COMMITMENT SPECIFIC EXAMPLES OF EXISTING OR PROPOSED REGULATIONS • Planning guidance produced for Mayor to deliver in London. Further AND POLICIES developers alongside new London detail on this and policies advocat- Plan ed for can be found in the London Environment Strategy: https://www. Enact regulations and/or planning • Net zero carbon homes and offset- • A new, higher carbon offset price Existing buildings london.gov.uk/sites/default/files/ policy to ensure NEW buildings op- ting policy came into effect on 1 Oct to incentivise on-site reductions • As part of our Environment Strate- london_environment_strategy_0. erate at net zero carbon by 2030. 2016 (current London Plan) (new London Plan, but subject to gy London has mapped the energy pdf examination in public) efficiency and low carbon heating • Net zero carbon development (res- uptake required to reach zero emis- idential and non-residential) and sions buildings by 2050. The Mayor offsetting policy to be introduced • Reporting of unregulated emis- has adopted a system of 5 year car- when new London Plan is adopted sions and the requirement to under- bon budgets (for homes and work- (expected to be 2019, but subject to take whole life-cycle carbon emis- places) needed to put London on the examination in public). sion assessments (new London Plan this pathway. but subject to examination in public) • Energy efficiency targets to maxi- mise on-site carbon reductions be- Further detail on how London meets Develop a suite of supporting • Mayor’s Energy for Londoners • Commercial sector energy efficien- fore offsetting is considered (new and defines zero carbon can be incentives and programmes. programme which aims to make cy programme London Plan, but subject to exam- found in the London Environment London’s homes warm, healthy and ination in public) Strategy and Draft London Plan: affordable, its workplaces more • Retrofit programmes: RE:FIT, https://www.london.gov.uk/sites/ energy efficient, and to supply the RE:NEW (and successor scheme) - A 10% improvement on national default/files/london_environment_ capital with more local clean energy. building regulations for residen- strategy_0.pdf This includes: • Decentralised Energy Enabling tial development Project (DEEP) - A 15% improvement on national https://www.london.gov.uk/what- • Cleaner Heat Cashback scheme: building regulations for non-resi- we-do/planning/london-plan/new- a £10m boiler scrappage scheme, • Solar Action Plan dential development london-plan/download-draft-lon- helping small businesses to replace don-plan-0 older polluting boilers with a more • See London Environment Strategy efficient, cleaner source of heat. Implementation Plan for further de- tails: here Enact regulations and/or planning London to be zero carbon city by policy to ensure ALL buildings op- 2050 (London Environment Strate- erate at net zero carbon by 2050. gy target) which includes reducing emissions from homes and work- EXAMPLE OF FINANCIAL RESOURCES AVAILABLE TO DELIVER THE COMMITMENTS places including greater use of re- newable energy through, for ex- • As part of the work London undertook with C40 and Arup in the production of a climate action plan for the ample, the Energy for Londoners Deadline 2020 programme, the GLA provided a detailed breakdown of its resources and capacity to achieve the programme. ambitions of the Mayor’s London Environment Strategy, including measures outlined for the commitment above. • Further to this, there are number of dedicated funding streams to support implementation to deliver the com- mitments. This includes: - The Mayor’s Energy Efficiency Fund, the Mayor’s new £500 million fund working with European Regional De- velopment Fund and private sector investors and Amber Infrastructure to support public buildings and small businesses access finance and implement energy efficiency measures. - Mayor’s £34 million Energy for Londoners programme which aims to make London’s homes warm, healthy and affordable, its workplaces more energy efficient, and to supply the capital with more local clean energy. This includes the funding through retrofit programmes: RE:FIT, RE:NEW (and its successor scheme) 22 Net Zero Carbon Buildings Declaration C40 23
Los Angeles Enact regulations and/or planning • LA’s Existing Building Energy and building electrification by 2050 are policy to ensure ALL buildings op- Water Efficiency Ordinance (EBE- under consideration. erate at net zero carbon by 2050. WE), adopted in 2016, requires build- ings 20,000+ sq. (and 7,500+ sq. for • In February 2018, LA City Council municipally owned) to benchmark, instructed the LA Department of report annual energy & water use & Water & Power (LADWP) to include conduct audit & retrocommissioning building electrification in their up- © Istock / Davel5957 actions every 5 years (or show a 15% coming 2018 Strategic Long Term energy reduction over the same time Resource Plan. or provide proof of Energy Star certifi- cation). The ordinance covers roughly • The State of California has passed 2% of LA’s building stock which uses a bill to reach 100% renewable en- about 40% of city’s energy. ergy by 2045 (not yet signed into law); Mayor Garcetti has committed DECLARATION COMMITMENT SPECIFIC EXAMPLES OF EXISTING OR PROPOSED REGULATIONS • The Mayor’s Office is currently to 100% renewable energy and LAD- AND POLICIES working on updating our Sustainable WP is undertaking a unprecedented City pLAn (initially released in 2015). comprehensive analysis for how to The update to the pLAn, which will reach this goal. Enact regulations and/or planning • The Los Angeles Green Building Systems which will move low den- be released in 2019, will include zero policy to ensure NEW buildings op- Code houses guidelines known as sity residential new construction net energy (ZNE) targets that align • Mayor Garcetti has committed to erate at net zero carbon by 2030. Tier 1 and Tier 2 Voluntary Mea- closer to net zero carbon (this code with the declaration. Additionally, net zero carbon emissions for the sures. These requirements serve as change makes California the first in new targets and initiatives for build- city by 2050 (which covers building “stretch codes” where applicants the nation to mandate solar PV at ing electrification will be included in stock) can choose to incorporate design the State-level). According to the the pLAn refresh. Targets for 100% strategies such as increased solar California Energy Code, once made reflectance on the roof, increased effective, the new standards will also permeable paving in parking areas help nonresidential buildings use 30 ADDITIONAL SUPPORTIVE DESCRIPTION or exterior walkways, or net zero % less energy due to required light- ACTIONS energy design. Moving forward, we ing upgrades. intend to evaluate the effectiveness of the voluntary performance mea- • The Mayor’s Office is currently • An update to LA’s Sustainable City • Los Angeles Department of Water sures and determine which mea- working on updating our Sustain- Commitment to reach net zero car- pLAn, the City’s roadmap for an en- and Power (LADWP) is undertaking sures would be appropriate as man- able City pLAn (initially released bon buildings. vironmentally healthy, economically a joint study with other California datory requirements to ensure new in 2015). The update to the pLAn, prosperous and equitable city, will utilities on building decarbonization. buildings operate at NZC by 2030. which will be released in 2019, will be released in 2019, and will incor- include zero net energy (ZNE) tar- porate the roadmap to reach NZC • Per updates to the California En- gets that align with the declaration. buildings. ergy Code that will become ef- fective in 2020, all new residential construction with 3 or less stories Develop a suite of supporting in- • Building Forward LA was launched • LADWP has a portfolio of energy will be required to install Solar PV centives and programmes. in 2017 by City & local development efficiency and rooftop solar pro- nonprofits; this effort resulted in 9 grams that help reduce and decar- actions to enhance development bonize energy consumption in var- services & department processes to ious building types. It is currently increase the total high performance studying building electrification buildings in LA. One of these actions and will roll out targeted incentive is to develop incentives for applicants programs and rebates to encourage who intend to build to high perform- electrification based on its findings. ing energy standard such as ZNE. EXAMPLE OF FINANCIAL RESOURCES AVAILABLE TO DELIVER THE COMMITMENTS • Financial resources needed to deliver commitments will be determined during the development of City Depart- ment budgets. • LADWP currently sets aside $180 M annually for energy and water rebate programing for both residential and commercial entities in the City. An additional $100 M to be used over the next five years has been allocated to- ward insulation programming. • Building owners can access private utilities’ Self Generation Incentive Program for rebates on battery storage. 24 Net Zero Carbon Buildings Declaration • LADWP Feed-in tariff program offers 14.5 cents/kWh for solar on commercial rooftops C40 25
Medellín © Istock / Markpittimages DECLARATION COMMITMENT SPECIFIC EXAMPLES OF EXISTING OR PROPOSED REGULATIONS ADDITIONAL SUPPORTIVE DESCRIPTION AND POLICIES ACTIONS Enact regulations and/or planning To this date by national standard, • The Low Carbon Development Pol- Recently constructed buildings of • Interventions for buildings with in- policy to ensure NEW buildings op- Resolution 549 of 2015, a maximum icy and in compliance with the goals Establish a roadmap for our com- the Municipal Administration and termediate carbon emissions that erate at net zero carbon by 2030. of 45 - 50% reduction of CO2 equiv- of the Territorial Planning Plan POT mitment to reach net zero carbon partly of the Department Adminis- can be upgraded to net zero carbon alent emissions has been defined. Agreement 48 2014., of the COP 21 buildings. tration, were built under conditions emission buildings. Achieving 100% would be done with Paris 2015 of Sustainable Construction: EDU, a series of passive and active mea- Plaza de la Libertad, Edificio Inteli- • Establishment of guidelines, goals, sures that consider energy and wa- • The National Policy of Sustainable gente EPM. Those already existing programs and projects for new mu- ter savings as well as the reduction Construction: CONPES 3919, March must be reconverted, with the impli- nicipal buildings, under the goal of and recycling of solid waste. 2018 cations of costs, technologies, rede- reaching zero carbon emissions. signs, amongst others. The strategy The Municipality of Medellín has the • The Resolution 549 of 2015 of must be designed with agreements • Precision of financial, technologi- authority to implement more strin- the National Ministry of Housing, and financing, put forward to take cal, legal, cultural and educational gent measures in the area of sus- City and Territory; Parameters and place between 2019 and 2022. It de- aspects for the implementation of tainable construction than national guidelines for sustainable construc- pends on national guidelines. There the Goal of buildings with Zero Car- requirements, for buildings with net tion and a guide for water and ener- is not yet a specific roadmap. bon Emissions. zero carbon emissions, in accor- gy saving in buildings dance with the Colombian Political The roadmap will be established, • Establishment of mechanisms for Constitution, Article 287: Autonomy • The Policy and the Metropolitan based on the guidelines of the Cli- evaluation, monitoring, corrective Principle of territorial entities. It as- Guides of Sustainable Construction, mate Action Plan - currently under measures and compliance indica- cribes specific competences to the Agreement 5 of 2014 development - and the commit- tors. aforementioned territorial entities in ments and principles of COP 21 of environmental matters. • The Internal Technical Regulation: Paris 2015. Its milestones, strategies Manual of Sustainable Construc- and objectives are based primarily The Municipality’s strategy is based tion, in the process of approval and on: on: consolidation given its constant up- dates • Updating and projection of base- • Precautionary Principle of Law 99 lines of carbon emissions and ener- of 1993, Law of the Environment • Agreement 066 of 2017. Article gy envelopes. 315. Municipal Tax Statute. Sustain- able construction incentives • Prioritization of buildings with higher carbon emissions, to proceed with their readaptation and recon- Enact regulations and/or planning The Municipality of Medellín, is com- awareness raising of the different version, in the first phase. policy to ensure ALL buildings op- mitted to developing detailed plans stakeholders in order to meet this erate at net zero carbon by 2050. to achieve the goal that all buildings goal. operate at net zero carbon by 2050. These plans will include the finan- New strategies, projects and mea- cial aspects, the implementation of sures will be developed, considering construction technologies and ade- technological, financial, social and quate equipment. In addition to this, professional factors to accelerate the plans will include education and action to meet the commitment. 26 Net Zero Carbon Buildings Declaration C40 27
ADDITIONAL SUPPORTIVE DESCRIPTION ADDITIONAL SUPPORTIVE DESCRIPTION ACTIONS ACTIONS Develop a suite of supporting in- It is already established. Work has executed by the public adminis- Evaluate the current energy de- The city has established reference Many buildings were over designed centives and programmes. been carried out jointly with the tration mand and carbon emissions from points or baselines, for energy de- in their electrical systems. The sus- Ministries of Housing and the Na- our municipal buildings, and iden- mands and carbon emissions for the tainable construction would be tional Planning Department. Agree- - Housing subsidies resources of tify opportunities for reduction. construction and operation of the achieved with the use of new tech- ment 066 of 2017 Article 315. the national level and housing buildings, through an agreement nologies, such as LED lighting, low subsidies resources of compen- with the IFC-World Bank 2013. These energy consumption equipment, • Exception of partial or total pay- sation or mutual funds. will be updated and used to estab- cooling and heating technologies ment of the contribution to the val- lish actions of reduction of emis- and solar energy. uation for public works. - International cooperation re- sions and to reach the commitment sources for urban development through the collaboration of multi- • Exception of partial or total pay- and habitat improvement. ple dependencies that integrate the ment of the share in capital gain Municipal Administration; as well as - Implementation of green cred- with the architecture and construc- • Tax benefits: decrease of the prop- its, to be established directly by tion associations of the city. erty tax and / or industry and com- the municipality or in associa- merce tax; temporary freezing and tion with financial institutions or / or differentiated increment plan of banks Establish a roadmap for our com- The roadmap for this commitment The evaluation of the buildings, their the property tax mitment to reach net zero carbon will be developed in the first quarter envelopes, the possibilities for savings • Expected completion date: De- municipal buildings. of 2019 and the corresponding ac- in consumption of public services and • Tax rates and taxes: deduction in cember 31 2030 SUPPORT PRO- tions will be implemented in the peri- architectural transformations must urban delineation taxes GRAMS: od 2019-2023. be carried out. The application of the principles of the World Green Build- - The general royalty system. As • CONVENTION 886 2016 United ing Councilnet zero carbon definition for the destination of its resourc- Nations One- Planet- Metropolitan will be included. es for sustainable construction Area. It is executed by CAMACOL in works executed by the public through Agreement 235 of 2017. Du- administration. ration two (2) years. EXAMPLE OF FINANCIAL RESOURCES AVAILABLE TO DELIVER THE COMMITMENTS - Income generated for the main- tenance and administration of • The Municipality has allocated resources for incentives such as for new housing development. Resources are real estate owned by the Mu- allocated for municipal building refurbishment from building maintenance budgets. Other budgets are to be nicipality of Medellín: provision determined. of resources to allocate them to sustainable construction works ADDITIONAL MUNICIPAL DESCRIPTION BUILDINGS COMMITMENT Own, occupy and develop only as- The Municipal and Metropolitan In the existing buildings, efficiency sets that are net zero carbon in op- Sustainable Construction Policies actions and savings are implement- eration by 2030. and Plans, which include the goal of ed in water, energy, gas, changes in Zero Carbon Emissions, are in place lighting, air conditioning systems, and their objectives are also estab- elevators, amongst other actions. lished and defined. The commitment is that the munici- It is planned and in fact it will be ex- pality “owns, occupies and develops ecuted in the new buildings for pub- only assets that are net zero carbon lic use, health equipping, education, in operation by 2030”. The basic © Getty images / Hispanolistic communal, recreational, administra- principles are those of high efficien- tive and judicial facilities of the Mun- cies in consumption, evaluation and cipality of Medellin. continuous improvement of the im- plemented measures. 28 Net Zero Carbon Buildings Declaration C40 29
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