Nearly Zero Energy Building in ChinaHistory, Status and FutureProf XU Wei. China Academy of Building ResearchChairman. China Zero Energy Building CommitteeContent1. History of Building Energy Efficiency 1986-20162. nZEB Demonstration Projects 2010-20153. National and Local Policies4. R Then local experts started to try.Development of Passive ultra-low energy green Buildingin China2008 2010 2012 2015 2017 UK Zero Carbon Museum and Germany Hamburg HouseCABR NZEB Office2525 Pilot Projects Keep increasing2.1 Development Trend8Orient Sundar Experts’ ApartmentCSCEC Chengdu Office13078m2Shandong Urban Construction College 20383m2Qingdao Ecological Park 15022m2Menred Zero Energy BuildingHebi Passive School2738m2CABR Nearly Zero Energy Building4025m2Development of nearly zero energy building, cross all climate zone in China. 2.1 Development TrendChief editorChina Passive Building AllianceChina Academy of Building ResearchPublished July 20172.2 Nearly Zero Energy Building Collection010203040502011 2012 2013 2014 2015 2016 2017 2018 2019项目个数建成年份Year Completed严 寒地区10寒冷地区70夏热冬冷地区12夏热冬暖地区8Climate distribution Building types2.2 Nearly Zero Energy Building CollectionSever Cold10Hot Sum. Warm Win. Hot Sum. Cold Win. 12Cold 70OfficeResidentialSchoolExhibitionStadiumFactoryMulti-functionOthers2.2 Nearly Zero Energy Building CollectionBuildingRoof Wall Window systemU-valueW/m2KStandardW/m2K Diffe-renceU-valueW/m2KStandardW/m2K Diffe-renceU-valueW/m2KStandardW/m2KDiffe-renceC-1 0.14 0.45 69 0.20 0.50 60 1.1 2.4 54C-2 0.12 0.45 73 0.17 0.50 66 0.8 2.4 67C-3 0.14 0.45 69 0.14 0.70 80 1.0 2.5 60C-4 0.14 0.45 69 0.13 0.50 74 0.8 2.4 67C-5 0.11 0.45 77 0.13 0.70 82 1.0 2.5 60C-6 0.14 0.45 69 0.13 0.50 74 1.0 2.4 58C-7 0.11 0.35 69 0.14 0.45 69 0.8 2.0 60C-8 0.12 0.35 66 0.14 0.45 69 0.8 2.0 60C-9 0.11 0.45 76 0.12 0.50 76 0.9 2.4 63C-10 0.13 0.45 71 0.13 0.50 74 0.8 2.4 67SC-1 0.11 0.35 69 0.15 0.43 65 0.8 2.3 65SC-2 0.11 0.35 69 0.12 0.43 72 0.9 2.3 61SC-3 0.10 0.25 60 0.10 0.50 80 0.8 2.0 60HSCW-1 0.2 0.4 50 0.27 0.6 55 1.0 2.6 62Average 0.13 0.40 68 0.15 0.52 70 0.84 2.33 62On average, the U-value of the window system for the best practices is62 lower than that of building energy efficiency standards.2.2 Nearly Zero Energy Building CollectionBest practices are in average 55-87 more energy efficient than existing buildings2.2 Nearly Zero Energy Building Collection050100150Humidity室内湿度（ ） 室外湿度（ ）-10010203040Temperature室内温度（ ℃ ） 室外温度（ ℃ ）Temp and Humidity of Qingdao Eco-Park in 2017Temp℃ Humid PM2.5 CO2 ppm1402 Bedroom 23.1 46 7 546Living Room 24.2 39 5081602 Bedroom 21.4 43 25 435Living Room 21.9 40 4631701 Bedroom 22.5 45 24 563Living Room 23.1 43 5802402 Bedroom 23.6 43 17 757Living Room 25.1 38 630Selected Room tested in Orient Sundar in winter 2017能耗指标 Energy Consumption Target 25 kWh/m2.a冬季 Winter 采暖不依靠化石能源 zero use offossil fuel for heating夏季 Summer 空 调 能 耗 降 低 50 coolingenergy reduced by 50照明能耗降低 7 reduction of lighting energyby 752013年 项目启动 kick-off 设计、优化design/optimization 施工启动 construction start2014年 主体竣工 Complete construction 机电、测量系统调试commissioning 制冷工况实验experiment in Summer2015年 制热工况实验experiment in Winter 项目运行优化ongoing commissioning 数据监测 data collection2016年 研究工作汇总research summary 项目后评估uation 后续研究工作 Other research work竣工 Completion May， 2014 入住 Occupancy June， 2014调试 Commissioning Ongoing自控及计量 BMS EMS 100 completed➢ 4,025 m2, Beijing, cold climate zone, an office building for CABR. ➢ Integrated plat and testbed for CERC-BEE cutting edge technologies demonstration and serves as well as the RD facility for CABR’s products and solutions.➢ Deep connection with the industry sector and could help raise public awareness from successful demonstration. ➢ With real-data-based uation and its openness to the public, CABR NZEB has become a signature NZEB project and an education center. It is facilitating strong growth of NZEBs in China and laying foundation for future development of China’s NZEB standard. 2.3 CABR NZEBAwards domestic and international2.3 CABR NZEBContent1. History of Building Energy Efficiency in last 30 years2. nZEB Demonstration Projects 3. National and Local Policies4. RD Programs5. International Cooperation6. Guideline and Standard7. Future Trend1977GermanyPassive House1989DenmarkZero Energy House1992Germany Energy Autonomous House2006USANet Zero Energy Building2009KoreaZero Energy Building2010European UnionNearly Zero Energy Building2013ChinaNearly Zero Energy Building2015USAZero Energy Building2015JapanZero Energy Building3.1 Definitions3.1 Definitions① High perance buildings② Ultra low energy house③ Low-energy house④ Very low energy house⑤ Energy saving houseUltra-low energy① Nearly Zero Energy Building② Passive House③ Passivehus④ Minergie⑤ Climate HouseNearly-Zero energy① Zero Energy House② Energy Autonomous House③ Zero Energy Building④ Zero Energy housing⑤ Zero heating energy house⑥ Energy self sufficient---------------------------① Plus energy house/building② Equilibrium houseZero energy① Active House② BREEAM Building③ Living Building Challenge④ LEED⑤ Green buildingExpandLow NearlyZero ExpandM i n i s t r y o f H o u s i n g a n d U r b a n - R u r a l D e v e l o p m e n t13th Five Year Plan of Building Energy Efficiency and Green BuildingFebruary 2017Ministry of Housing and Urban-Rural Development had made a clear request of Nearly Zero Energy Building development for the first time, which provide a huge market demand and broad prospects in China. By 2020, the total area of NZEB will be up to 10 million square meter Promote NZEB districts in areas with suitable conditions. Encourage （ Net） Zero Energy Building Pilots.Promote Ultra Low / nearly zero energy building in aactive way and the goal is 10 million m2 by the endof 2020.3.2 13th Five Year Plan of Building EE and Green BuildingShandong Province Newly Built NZEB in Shandong Provincewill be rewarded with a stimulus fund at800 yuan/m2 120 USD/m2.Beijing Construction Committee Newly Built NZEB in Beijing will berewarded with a stimulus fund at1000 / 800 / 600 yuan/m2 150 -100USD/m2. The subsidy for each project can beno higher than 20 million yuanwhich is the highest standard inChina for now. This plan will be available for projectbuilt in 2016-2018. The subsidy isfrom 2017 to 2019The detail requirements and subsidy for Nearly Zero Energy Building havebeen released by government of Beijing, Shandong province and Shijiazhuangwhich can fully cover the incremental cost for NZEB projects.3.3 Subsidy of the local governmentShijiazhuang, Hebei Province Mar 2018 land use support in priority. floor area ratio bonus, 9 reducing city infrastructure supporting fees Price could increase 30 200 RMB/ m2 subsidyContent1. History of Building Energy Efficiency in last 30 years2. nZEB Demonstration Projects 3. National and Local Policies4. RD Programs5. International Cooperation6. Guideline and Standard7. NGO. China Passive Building Alliance8. Future Trend2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020Key Program for International ST Cooperation Projects of ChinaApplication of Renewable Energy Storage Technology in Low Energy Buildings US 960,000Study and Demon. of Passive Ultra-low Energy Buildings for Different Climate ZonesUS 1.95 millionMohurdProgram Sino-GermanyCABR Nearly zero energy building demonstration projectUS 22.51 millionChina-US Clean Energy Research Center Phase oneNet Zero Energy BuildingUS 18.75 millionChina-US Clean Energy Research Center Phase twoNearly-ZEB key strategies and technologies developmentUS 19.5 millionThe 13th Five-Year National Key RD Plan Project4.1 Timeline of Research Projects4.2 IEA Projects. Application of Renewable Energy Storage Technology in Low Energy Buildings 2010 -2013China OverseasChina Science and Technology Award of MohurdPartners Funding Amount US 960,0004.3 China-Germany Passive House Collaboration.Study and Demonstration of Passive Ultra-low Energy Buildings for Different Climate Zones 2013 -2015Cooperation and technological exchange with PHI Dr. Wolfgang Feist , during the 1st Visit to ChinaFunding Amount US 1.95 million4.4 China-US Clean Energy Research Center 1.0 （ 2012-2015）CABR Nearly zero energy building demonstration projectChina OverseasCERC demonstration project China Academy of Building Research – Nearly Zero Energy BuildingPartners Funding Amount US 22.51 millionChina Overseas4.5 China-US Clean Energy Research Center 2.0 2016-2020Partners Funding Amount US 18.75 millionProgram undertakers China Academy of Building ResearchProgram period 2017/072020/12Research Fund 120 Million RMB, Government Funds 33.73 Million RMBParticipants unit 29 agenciesProjects 10Participants 143 researchers，Senior title 75， Middle title 54PhD 52， Master 56The ONLY program related to building energy efficiency4.6 Nearly-ZEB key strategies and technologies development ManufacturersGovern./ Research org.UtilitiesUniversitiesNetwork4.6 The 13th Five-Year National Key RD Plan ProjectNearly-ZEB key strategies and technologies development 2017-2020 On-going4.6 Nearly-ZEB key strategies and technologies development 2930PI of 12 national science and technology programs projectsChief editor of 12 national standardsChief editor of 10 books- Energy efficiency design standards for public buildings- HVAC design specification for civil buildings-“ Research on Key Technologies for Efficient Application of Renewable Energy for Achieving Higher Building Energy Saving Targets”-“ Renewable energy storage technology for low energy buildings”- Guild Book of Renewable Energy Building Application Technology- Study on International Building Energy Efficiency StandardsPrinciple Scientist -- Professor Xu Wei◼ Chief Engineer/Dean of IBEE of China Academy of Building Research◼ Director of National Quality Supervision and Inspection Center for Building Energy Efficiency◼ Chairman of HVAC Branch of the China Architectural Society◼ Chairman of China Passive Ultra-Low Energy Building Alliance◼ To receive the state council special allowance, outstanding expert of state4.6 Nearly-ZEB key strategies and technologies development