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• C.01 MA Commercial Stretch Energy Code: Targeted & Relative Performance Paths (Part 1)

  Targeted Performance: Thermal Energy Demand Intensity (TEDI) Relative Performance: ASHRAE 90.1 Appendix G Performance Rating Method 2023 Massachusetts Commercial Stretch Code

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  Want to Share Your Input on Energy Efficiency?

  February 26, 2018

  The Massachusetts Department of Energy Resources (DOER) has scheduled six listening sessions on energy efficiency program design.

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  Five Ways to Avoid the Scare of High Energy Bills with Water Heater Tips

  October 11, 2017

  By showing your water heater a little TLC, you can extend its useful life, improve its efficiency, save money on your energy bills, and have plenty of hot water to enjoy.

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  New Year, Smart Energy Choices: Simple Steps to Make Your Home More Energy Efficient in 2026 

  February 4, 2026

  Make 2026 the year of smart energy use. Learn easy, impactful steps Massachusetts residents can take to improve energy efficiency and save money.

• The Sponsors of Mass Save® Submit Three-Year Electric and Natural Gas Energy Efficiency Plan

  November 2, 2021

  The Sponsors of Mass Save® have submitted to the Massachusetts Department of Public Utilities (DPU) a three-year electric and natural gas energy efficiency plan for 2022 through 2024 that will provide an estimated $13 billion in benefits to the Commonwealth.

• Massachusetts ranked number one in energy efficiency for ninth consecutive year

  October 1, 2019

  For the ninth consecutive year, the American Council for an Energy-Efficient Economy (ACEEE) has ranked Massachusetts number one in its 2019 State Energy Efficiency Scorecard. The 13th edition of the ACEEE’s state scorecard benchmarks state progress on efficiency policies and programs that save energy while benefiting the environment and promoting growth.  

• Supplier Diversity Summits Empower Over 80 Local Minority- and Women-Owned Businesses with Mass Save® Business Opportunities

  July 23, 2024

  As part of their ongoing commitment to increasing diversity of and access to the Massachusetts clean energy workforce, the Sponsors of Mass Save® today announced they connected over 80 minority- and women-owned business enterprises (MWBE) with opportunities at two recent Supplier Diversity Summits.

• Mass Save® Sponsors Highlight Benefits Delivered to Advance Decarbonization Efforts in The Path to Carbon Neutral Report

  March 28, 2024

  Comprehensive annual report highlights reduction of greenhouse gas emissions and equitable energy savings in 2023

• The Sponsors of Mass Save® Honor 2024 Climate Leaders

  January 22, 2025

  The Sponsors of Mass Save® celebrated the 2024 Mass Save Climate Leaders on Tuesday in a ceremony at the Massachusetts State House. Nineteen entities were honored for their ongoing efforts to curb energy use, reduce greenhouse gas emissions, and guide the Commonwealth to a net zero future.

• Solar Power Guide for Energy Savings In Massachusetts

  Contact your energy sponsor through Mass Save to help you decide if solar power is the right option for you.