Implementation of the EPBD in The Netherlands Status in November 2010 Nienke Betlem 1 > Introduction Ministry of the Interior and Kingdom Relations Hans van Eck Raymond Beuken Marjolein Heinemans Leanne van Diggelen NL Agency The Netherlands The implementation of the EPBD in The Netherlands has reached an almost full grown status. The date of implementation of the Directive as to the Energy Performance Certificate was January 1st 2008. For social housing companies this was one year later on the provision of certification of their complete building stock. The permanent certification for public buildings was mandatory as of January 1 st 2009. In 2009, a revision of the Energy Performance Certification scheme started that led to improvements ranging from training and examination of assessors, to an updated methodology and software, to a new lay-out of the Energy Performance Certificate, and to a newly adopted quality assurance scheme, as of January 1 st 2010. For the implementation of the inspection of heating systems a voluntary scheme, according to ‘option B’, was adopted. Option B consists of non-mandatory tools and information campaigns and partly of existing Environmental law. The inspection of air-conditioning systems is fully implemented in The Netherlands. Currently, the inspection of air-conditioning systems is dispersed amongst different parts of national law. Therefore, an improvement will be made to aggregate the inspection of air conditioning systems completely into Environmental law by July 1 st 2011, also largely taking into account the provisions following the Recast of the EPBD. This report presents an overview of the current status of implementation in The Netherlands. It addresses certification and inspection systems, quality control mechanisms, training of qualified assessors, information campaigns, incentives and subsidies. National websites: › www.minbzk.nl › www.rijksoverheid.nl /onderwerpen/energi elabel-woning › www.agentschapnl.nl › www.energielabelgeb ouw.nl 2 > Certification Certification of buildings In The Netherlands the implementation of the EPBD is the overall responsibility of the Ministry of the Interior and Kingdom Relations. NL Agency, the Dutch energy agency is the executive body for the implementation process. In December 2006 the ‘Decree on Energy Performance of Buildings’ (BEG) as well as on B Energy Performance of Buildings’ (REG) were legally the ‘Regulation B Netherlands. This enabled The Netherlands to develop an implemented in The R I ( d 1 Energy Performance Certificate for existing buildings that first came into force on January 1st 2008. The certification of new buildings was already integrated into Dutch law by as early as 1995. For each existing building or building unit, e.g., an apartment, an Energy-Index is calculated according to a fixed methodology. An energy certificate class is then assigned based on the Energy-Index and building type. Certificates can only be issued by qualified assessors. There are voluntary educations for assessors, but examination by a national board is mandatory. The list of qualified assessors is permanently updated and always available online for the public at the website of KBI, the Dutch quality assurance association (www.kbi.nl). The energy performance certificate Figure 1 – Cover page of the EPC for residential buildings The Energy Performance Certificate is the most visible aspect of the EPBD. This document assigns an energy performance rating to residential and non-residential buildings including building units and it lists individually tailored cost-effective measures for improving their energy performance. The Energy Performance Certificate consists of 3 pages. On the first page, the energy certificate class of the building is indicated. The classes range from A (many energy saving measures taken) to G (many energy saving measures possible). The energy certificate class is determined by the calculated Energy-Index that can be found on page three of the Energy Performance Certificate. On the front page, furthermore, the standardised annual primary energy use in MJ is displayed including a sub-division into electricity (kWh), gas (m3) and heat (GJ). The Energy Performance Certificate for non-residential buildings also displays the annual CO 2 emission. The first page also mentions the building type for which the energy certificate is issued, the assessor of the certificate and the date until when the certificate is valid (with a maximum of 10 years). The energy saving measures that are advised for a specific building are described on page 2 of the certificate. As shown in Fig. 2, suggested improvements include a short general description for each energy-saving measure. Page 3 gives a description on how the Energy-Index is calculated, according to a standardised methodology. 2 Figure 2 – page 2: Recommendations to improve the energy performance, page 3: Description on how the Energy Index is calculated. Residential Non-residential 600000 2.400 500000 2.000 400000 1.600 300000 1.200 200000 800 100000 400 0 Certificates non-residential buildings (Only in Dutch) Certification of existing residential and non-residential buildings started January 1 st 2008, when a building or building unit is sold or rented out. The owner must present a valid Energy Performance Certificate at the moment of transaction. This involves a qualified assessor to visit the property and assess the building in terms of the type and quality of constructions and installations. The qualified assessor will then calculate the Energy-Index with an accredited software and issue the Energy Performance Certificate (Figure 1). This is done by sending an automated report to the central database that is hosted by NL Agency which returns a unique number for each certificate that can then be printed. Certificates residential buildings For more information on accredited software please visit http://www.kbi.nl/zoek -een-certificaathouder/ - A++ A+ A B C D E F G Energy label class (-) Figure 3 – Number of Energy Performance Certificates issued Up to and including September 2010 (Figure 3), in The Netherlands 1,726,631 Energy Performance Certificates for residential buildings were issued (approx. 25% of the total residential building stock) and 8,207 for non-residential buildings, covering 24.5 million m2 surface area. New buildings The existing Energy Performance Certificate applies to existing building and building units, both residential and non-residential, including public buildings. For new buildings, The Netherlands has had a methodology since 1995. The so-called Energy Performance Standard (EPN) sets requirements for the energy efficiency of new 3 buildings and major renovations of existing buildings. This is expressed in an Energy Performance Coefficient. This coefficient is a dimensionless number to indicate the energy efficiency of a new building. The EPN sets an integral requirement for the whole building. Year 1995 1998 2000 2006 2011 2015 2020 EPN – energy performance coefficient 1.4 1.2 1.0 0.8 0.6 0.4 Zero energy Development of the EPN (EPC number) requirement for new residential buildings A general description of the methodology for new buildings can be found on www.agentschapnl.nl/ep n 2 1,8 1,6 1,4 1,2 1 0,8 0,6 0,4 0,2 0 40% reduction EPC R esid en tial EPC N o n R esid en tial 1995 2000 2006 2011 Figure 4 – Development of the Energy Performance Standard in the Netherlands Dutch building legislation sets minimum requirement for building components. Each couple of years both sets of requirements are evaluated and if necessary adjusted (see figure 4). Dutch policy for new buildings hereby already fully incorporates all requirements following from the EPBD Recast towards nearly zero-energy buildings in 2020. See also the table next to the text. (only available in Dutch). Figure 5 – Example of software for calculation cost effectiveness of EPN The government decided to leave the solutions to achieve the EPN to the builders and/or architects. The builders can choose their own package of measures to meet the requirements. Important is the focus on the total energy performance of the building and not on stand-alone solutions. The same methodology applies to major renovations (new building envelope, HVAC and lighting) of existing buildings. With regards to Public Buildings, The Netherlands has incorporated in national law the requirement that the owner of a building with a total useful floor area of more than 1.000 m2 occupied by public authorities and by institutions providing public services to a large number of persons and therefore frequently visited by these persons must place an Energy Performance Certificate in a prominent place clearly visible to the public. The calculation methodology The calculation method for existing buildings is based on Energy Performance Advice (EPA) methodology. For existing buildings, the existing voluntary EPA methodology was simplified and enhanced and made mandatory for the calculation of an Energy Performance Certificate by publishing a Building Decree in 2006. 4 The methodology calculates the total annual primary energy use of a building for the components heating, hot water, ventilation and lighting (including renewable energy). Cooling is only considered for non-residential buildings. Each calculation is performed under average annual climate conditions, average number of occupants and occupant behavior. This method is currently being adapted to meet CEN standards. It is expected that, during 2011, a new calculation methodology will be adopted in The Netherlands, the so-called Energy Performance of Buildings (EPG), combining a methodology for new and existing buildings, residential and non-residential buildings, into one package, taking into account existing CEN standards as much as possible. It is likely that this methodology will first be adapted to replace the current EPN methodology for new buildings. As of the effectuation of the EPBD Recast starting from 2013, the new EPG methodology will be adapted for new and existing buildings, residential and nonresidential buildings as the methodology to determine the Energy Performance Certificate. Quality assurance (QA) Through the Decree (BEG) and Regulation (REG) on the energy performance of buildings that were published in 2006, a quality assurance scheme was appointed. The quality assurance system is built on a national quality standard for energy consultants and qualified auditors: BRL9500 for quality assurance on the certification of buildings by qualified assessors and BRL9501 for quality assurance on accredited software. The methodology for non-residential buildings was published as ISSO 75 publication and the methodology for residential buildings was published as ISSO 82 publication. ISSO 54 publication covers the accreditation of software. Figure 6 – Legal context energy certification In order to issue an Energy Performance Certificate, the qualified assessor has to use accredited software. This software is developed by commercial companies but tested and accredited according to a software assessment guideline, BRL9501. All commercial software products communicate the same defined XML file to the central database which is operated by NL Agency. Only when an Energy Performance Certificate is composed by a qualified assessor and calculated with accredited software, can it be sent to the central database. And only under these circumstances a unique number is issued for the Energy Performance Certificate. Without this number the Energy Performance Certificate is not valid. When working under the BRL9500 guideline a qualified assessor is regularly checked by a certification institute which includes a full review of a certain number of Energy Performance Certificates issued. Such an audit involves checking all the supporting documentation prepared and used by the assessor (e.g. projects, drawings, reports, photos, etc.) and identification of eventual differences and mistakes incurred. Penalties may be applied when relevant faults occur. Penalties can include loss of licence. 5 3 > Inspections - Status of implementation Inspection of boilers For more information on the “verwarmingswijzer” please visit www.verwarmingswijzer.nl (only in Dutch) The system that The Netherlands has adopted will lead, with regard to the inspection provisions as laid down in the directive, to the intended result based on a voluntary inspection scheme and legislation, which is in accordance with Article 8.b of the EPBD 2002/91/EG. This system consists of three main paths. 1. Domestic buildings with an individual boiler In The Netherlands small boilers (typically 15-35 kW) are inspected and maintained every year or every two years, depending on the type, size and age of the boiler. This is typically done by installation companies that provide various levels of service contracts, mainly to housing corporations, but to individual home owners as well. To stimulate the replacement of older boilers by a new energy efficient condensing boiler, a tool has been developed for consumers, the so-called ‘verwarmingswijzer’. The tool gives consumers insight, based on the current installation and the current gas use, if a new and energy efficient heating system is economically viable. 2. Boilers larger than 100 kW With regard to large boilers (> 100 kW), the Netherlands complies with current legislation in Environmental legislation. This means a mandatory regular inspection of the boiler according to a specified scheme. For gas-fired boilers, this requires an inspection at least once every 4 years. For non gas-fired boilers, the prescribed inspection frequency is at least once every 2 years . The inspection focusses on safe functioning, optimum combustion control and energy efficiency of the boiler. The inspection furthermore includes inspecting the set-up of the combustion system, the system for fuel supply and the exhaustion of combustion gases. When an inspection shows that the heating or combustion plant needs maintenance, this should be done within two weeks of the original inspection. The owner must keep the last inspection report issued as well as the records of any maintenance job. For more information on the “Installatie Performance Scan” please visit www.installatieperformanc escan.nl (only in Dutch) 3. Inspection based advice on the heating system For non-residential buildings and residential buildings with a collective boiler a tool has been developed to advice the owner and/or user of the building on possible measures to make the installation more energy efficient. With this tool, the ‘Installatie Performance Scan’, the installer or advisor scans the existing installation of the building, heating as well as cooling, on energy efficiency. The tool is unique because it provides an integral check on the generation, controls, distribution etc. Altering the installations on the basis of the scan can lead to reduction of energy use and reduction on the chance of breakdown of the installation and higher comfort levels in the building. Furthermore, for large heating systems in non-residential buildings a new law (‘BEMS’) was published in April 2010 that sets requirements for emission standards in new installations with an output ranging between 1 and 50 MW. This emission standards law prescribes inspection duty and if need be a maintenance obligation as follow up. 6 Inspection of air-conditioning systems The article on the inspection of air-conditioning systems is implemented in The Netherlands, but this requirement is dispersed amongst different parts of national law. Therefore, an improvement will be made to aggregate the inspection of airconditioning systems into one law by mid 2011. The inspection of air-conditioning systems will then be adapted and combined to the inspection on CFC-regulation. 4 > Qualified Assessors The assessors who may issue an Energy Performance Certificate have to meet certain minimum qualifications, including the ability to assess the quality and condition of materials, building envelope and installations present in a building. The training of assessors is the first (voluntary) stage to guarantee high level quality Energy Performance Certificates. The second stage is a mandatory national exam that each individual assessor needs to pass. When the assessor has passed the exam, he/she will receive a NL-EPBD process certificate which enables him/her to issue Energy Performance Certificates in accordance with the BRL9500 assessment guideline (see also the paragraph on Quality Assurance and figure 6). Residential Nonresidential Individuals 1.578 231 Companies 226 119 Number of qualified persons and companies to issue EPCs Figure 7 – Qualified assessor professional license By mid September 2010, about 1,800 individual assessors were qualified in The Netherlands to issue Energy Performance Certificates, divided over the residential sector (1,578 individuals) and non-residential sector (231 individuals), see also the table on the left. Assessors of (large) boiler inspections have to meet certain qualifications as well. These qualifications are set out in a quality assurance scheme which includes a mandatory examination. These assessors need to prove their ability to perform maintenance and inspections on combustion systems. 5 > National Information and Communication Campaigns Public awareness concerning the EPBD, and in particular the Energy Performance Certificate, in The Netherlands is the main responsibility of the Ministry of the Interior and Kingdom Relations. At the end of 2007, before the launch of the Energy Performance Certificate, the first national information campaign aired in The Netherlands. This campaign was repeated in the spring of 2008. The campaign focused on home-owners and consumers and informed the public on the Energy Performance Certificate with the slogan: “An energy efficient house? Through the Energy Performance Certificate you will know!”. The campaign consisted of short commercials on radio and television, items in housing programs, advertisements in national newspapers and a campaign site with guidelines to inform the broad public about the conditions under which an Energy Performance Certificate is required. 7 In 2009/2010 a more general campaign ran to raise public awareness on the topic of energy saving in the build environment. Specific information for professionals is issued by NL Agency. NL Agency’s website www.energielabelgebouw.nl (only in Dutch) provides detailed information about the EPBD and in particular the Energy Performance Certificate for professionals in the building sector: qualified assessors, commercial building owners and managers, installers and builders, real estate agents, notaries, municipalities and mortgage lenders. 6 > National incentives and subsidies ‘More With Less’ (Meer Met Minder) ‘More with less’ is a Dutch energy saving programme for existing buildings. It is an agreement between the Ministry of the Interior and Kingdom Relations, the Ministry of Economic Affairs, Agriculture and Innovation and private partners and organisations including utilities, installation sector, building constructors and social housing corporations. The goal of the programme is to create a substantial market for energy savings interventions to stimulate private and public home owners to make their buildings more energy efficient at low monthly costs. The Energy Performance Certificate plays a vital role in ‘Meer Met Minder’, as it is used to measure energy improvement of buildings in order to fulfil the goals set in the agreement. For more information please visit www.meermetminder.nl (only in Dutch) ‘Meer Met Minder’ started in 2008. By the end of 2010, the implementing organisation is fully up and running and the initial target of improving the energy quality of 10,000 buildings has been met. Through the whole of The Netherlands, projects are running supported by installers, builders, housing corporations, municipalities and others not only aimed at improving the energy efficiency of the existing building stock, but also aimed at training the building workforce through educational programs. ‘Energy subsidy guide’ (Energiesubsidiewijzer) By the end of 2010, many subsidies and other incentives are available to Dutch consumers and/or professional building owners, related to the Energy Performance Certificate, improvement of the current installation and energy saving measures in general. These subsidies include a grant of 200 € for a detailed Energy Performance Advice, which often includes an Energy Performance Certificate, a subsidy of 350 € or 750 € respectively when improving the energy performance of a dwelling in terms of 2 or 3 energy classes, and a higher mortgage sum when buying a ‘green certificate’ or ‘A class’ dwelling, bank guarantees for loans meant for energy saving measures, lower VAT rate for insulation of roof, wall and floor, incentive scheme for sustainable energy production and a subsidy scheme for sustainable heating. For more information please visit www.energiesubsidie wijzer.nl (only in Dutch) A current overview of subsidies and incentives is available online through a subsidy tool that was developed by NL Agency for consumers and professionals, the ‘Energiesubsidiewijzer’. This internet tool gives an overview of financial instruments (such as subsidies, loans etc.) to stimulate energy saving measures in The Netherlands. The user of the tool can select his/her place of residence, select the type of ‘user’ he/she is (e.g. home owner, tenant of professional building owner) and, if desired, select a specific energy saving measure to get an overview of current financial instruments for their specific location. The ‘Energiesubsidiewijzer’ contains subsidies, loans and other financial instruments on a national, regional and local level. The tool can help professional parties to communicate with consumers on the financial possibilities of energy saving measures. 8 ‘Energy Scout’ (Energiebesparingsverkenner) For more information please visit www.energiebesparingsv erkenner.nl (only in Dutch). This is an interactive tool on the internet that gives insight into the possibilities of energy saving measures in existing houses and financial consequences. The tool gives information on the energy expenses and what the effect of energy saving measures is. Information is given on the expected improvement of the building energy performance, in terms of energy certificate classes, after taking measures, what the costs of the measures are and what the return of investment will be. This very useful instrument can be used by consumers organisations, housing associations, municipalities, building contractors etcetera to advise consumers professionally on the (financial) possibilities of energy saving. A more consumer friendly version is available via www.verbeteruwhuis.nl (only in Dutch). Information for consumers can be found on www.milieucentraal.nl (only in Dutch) Building function/ type EPN – energy performance coefficient Meeting 2.0 Detention 1.8 Health care, with beds 2.6 Health care, other 1.0 Office 1.1 Lodging 1.8 Educational 1.3 Sports 1.8 7 > Impact of the EPBD at national level Both for residential and non-residential buildings, The Netherlands already had minimum energy performance requirements in place since 1995. The Energy Performance Standard (EPN) sets requirements for the energy efficiency of new buildings and major renovations of existing buildings. This is expressed in an Energy Performance Coefficient (EPC). The EPN sets an integrated requirement for the whole building. Dutch building legislation further sets minimum requirement for building components. Each couple of years both sets of requirements are evaluated and if necessary adjusted. For new non-residential buildings, integrated requirements for buildings were introduced in 1995 and tightened in 2000, 2003, 2009 (see figure 4). Current levels Shopping 2.6 are displayed in the table on the left for all nine buildings typologies in the nonresidential sector. Further adjustments towards zero-energy of nearly zero-energy Overview of current EPN (new) buildings in 2020 are expected in 2017, with a 50% increase in energy requirements for new efficiency levels compared to current requirements. non-residential buildings 9 For new residential buildings, a similar development has occurred since 1995 when integrated building requirements were first published. These requirements were tightened in 1998, 2000 and 2006 (see figure 4). Further adjustment from the current requirement of 0.8 are expected in 2011 (25% efficiency increase to 0.6), 2015 (50% efficiency increase to 0.4) and 2020 (zero–energy or nearly zero-energy new residential buildings). Year 1980 1990 1995 2000 2007 2011 2015 Future EPN – energy performance coefficient Natural gas use in m3 Obligatory insulation 1.4 1.0 0.8 0.6 0.4 Zero energy 3000 2000 1400 1000 800 600 400 0 Figure 8 – overview of natural gas use in a typical Dutch dwelling over the years For existing buildings that are retrofitted, minimum requirements currently apply to building envelope components. New developments are expected for retrofit situations to set minimum performance requirements for installations, following the implementation of the ECO-design guideline and EPBD Recast. Also future increases of energy performance requirements for building envelope components are expected following implementation of EPBD Recast. 8 > Conclusions and future planning The Netherlands is well under way with the implementation of the EPBD and has started preparations for the implementation of the EPBD Recast in 2010. The Energy Performance Certificate for existing buildings was introduced in 2008, while new buildings already had to comply with minimum energy performance requirements since as early as 1995. Inspections of installations are largely based on existing laws, with added instruments to facilitate voluntary inspections and successive improvements. In 2011, existing dispersed inspections for air-conditioning systems will be brought together into one law. Future Dutch energy policy already has some major issues covered that play a role in the EPBD Recast. Energy performance requirements for new buildings will be steadily tightened to zero-energy or nearly zero-energy level from 2020. For retrofitting existing buildings, requirements for building envelope components and installations will be increased and/or introduced within one or two years. Studies are currently under way to improve sanctioning and enforcement of EPBD in near future, in accordance with the EPBD Recast. Also preparatory work started on items like displaying the Energy Performance Certificate in public buildings with a useful floor area of 500 m2 and in advertisements in commercial media. Concerted Action EPBD will remain of great value to The Netherlands in upcoming years to share best practices with other Member States and learn from each others experiences. Useful links › › › › › › › › › › www.minbzk.nl www.rijksoverheid.nl/onderwerpen/energielabel-woning www.agentschapnl.nl www.energielabelgebouw.nl www.energiebesparingsverkenner.nl www.energiesubsidiewijzer.nl www.meermetminder.nl www.milieucentraal.nl www.installatieperformancescan.nl www.verwarmingswijzer.nl 10 This report is funded by the Community’s Intelligent Energy Europe programme under the contract IEE/CA/07/333 The sole responsibility for the content of this publication lies with the authors. It does not necessarily reflect the official opinion of the EACI, the European Commission or other European Institutions. Neither the EACI, nor the European Commission nor any other European Institutions are responsible for any use that may be made of the information contained herein. The content is given for information purposes only and does not legally bind any of the parties involved. © European Union, 2011 More details on the IEE Programme can be found at www.ec.europa.eu/intelligentenergy This report can be downloaded from www.epbd-ca.eu and also from www.buildup.eu 11