Energy Efficiency and Conservation

Press Releases and Related Information

• Report Compiled on New Energy Efficiency Standards for Gas Water Heaters (April 18, 2025)
• New Energy Efficiency Standards Formulated for Transformers (for Building and Factory) (October 27, 2023)
• "Report Compiled on New Energy Efficiency Standards for Transformers (For building and factory)" (June 15, 2023)
• Ordinances and Public Notices for Enforcement of the Act on Rationalizing Energy Use and Shifting to Non-fossil Energy Promulgated Today (March 31, 2023)
• Cabinet Decision on the Basic Policy on the Rationalizing Use of Energy and Shifting to Non-fossil Energy (March 17, 2023)
• Declaration Form Released for Businesses Agreeing to the Disclosure of Information in the Periodic Report Under the Act Rationalizing Energy Use (March 3, 2023)
• The 16th Japan-China Energy Conservation and Environment Forum Held (Summary of the Results) (February 11, 2023)
• New Energy Efficiency Standards for Insulation Materials (Glass Wool and Extruded Polystyrene Foam) Compiled(October 14, 2022)
• Energy Efficiency Label for Air Conditioners Changed (September 1, 2022)
• Revision of the Window Performance Labeling System to Make Homes More Energy-Efficient in 2030 (June 20, 2022)
• New Energy Efficiency Standards Formulated for Home-use Air Conditioners (May 31, 2022)

Division in Charge

Energy Efficiency Division, Energy Efficiency and Renewable Energy Department, Agency for Natural Resources and Energy