Net Zero Energy Buildings (ZEBs) achieve net-zero or negative annual energy consumption through heat insulation, solar shading, natural energy and high-efficiency equipment as well as the generation of energy such as solar power. Net Zero Energy Houses (ZEHs) are houses that achieve net-zero or negative annual energy consumption through heat insulation, high-efficiency equipment, and solar power generation.
The Fourth Strategic Energy Plan, approved by the Cabinet in April 2014, established goals to achieve ZEBs in newly constructed public buildings by 2020 and ZEBs on average in newly constructed public and private buildings by 2030, as well as ZEHs in standard new houses by 2020 and in average new houses by 2030. To realize these goals, the Ministry of Economy, Trade, and Industry (METI) published a ZEB Roadmap and ZEH Roadmap in December 2015 and subsequently established follow-up committees to further promote the spread of ZEB/ZEH, including the "ZEB/ZEH-M Committee" in fiscal 2021. The Sixth Strategic Energy Plan, approved by the Cabinet in October 2021, mandated the achievement and enhancement of energy efficiency standards in the commercial and residential sectors in order for new housings and buildings built from 2030 to meet ZEB/ZEH efficiency standards. In June 2022, revisions to the Building Energy Conservation Act were approved by the Cabinet to promote energy-saving measures for homes and buildings toward the realization of carbon neutrality in 2050. The revisions aim to secure ZEH/ZEB levels of energy efficiency in new buildings and houses by 2030, and in average stocks in 2050.
Net Zero Energy Buildings (ZEBs) achieve net-zero or negative annual energy consumption through heat insulation, solar shading, natural energy and high-efficiency equipment as well as the generation of energy such as solar power. Net Zero Energy Houses (ZEHs) are houses that achieve net-zero or negative annual energy consumption through heat insulation, high-efficiency equipment, and solar power generation.
The Fourth Strategic Energy Plan, approved by the Cabinet in April 2014, established goals to achieve ZEBs in newly constructed public buildings by 2020 and ZEBs on average in newly constructed public and private buildings by 2030, as well as ZEHs in standard new houses by 2020 and in average new houses by 2030. To realize these goals, the Ministry of Economy, Trade, and Industry (METI) published a ZEB Roadmap and ZEH Roadmap in December 2015 and subsequently established follow-up committees to further promote the spread of ZEB/ZEH, including the "ZEB/ZEH-M Committee" in fiscal 2021. The Sixth Strategic Energy Plan, approved by the Cabinet in October 2021, mandated the achievement and enhancement of energy efficiency standards in the commercial and residential sectors in order for new housings and buildings built from 2030 to meet ZEB/ZEH efficiency standards. In June 2022, revisions to the Building Energy Conservation Act were approved by the Cabinet to promote energy-saving measures for homes and buildings toward the realization of carbon neutrality in 2050. The revisions aim to secure ZEH/ZEB levels of energy efficiency in new buildings and houses by 2030, and in average stocks in 2050.
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