Leading the way to a sustainable and equitable clean energy future

The Massachusetts 2025–2027 Energy Efficiency and Decarbonization Plan

WE ARE MASS SAVE®:

The Sponsors of Mass Save are helping Massachusetts residents, businesses, and communities reach their energy efficiency goals, lower their carbon footprints, and save energy. Through the Massachusetts 2025–2027 Energy Efficiency and Decarbonization Plan, we aim to deliver an estimated $13.7 billion in total benefits to customers across the Commonwealth over the next three years, including over $4.4 billion in equity benefits, while:


Weatherizing 184,000+ homes, including 75,000+ low- and moderate-income households and 51,000+ rental units 
Supporting the installation of heat pumps in an additional 119,000 households, including 23,000+ low- and moderate-income households and 15,000+ rental units
Investing $1.9 billion in equity-related efforts, including $1.3 billion in incentives paid for low- and moderate-income customers and $615+ million for renters
Providing over $3.4 billion in customer incentives  
Delivering 8.3 million MWh and 1.1 billion therms in energy savings and $13.7 billion in total benefits to customers 
And ultimately, reducing greenhouse gas emissions by 1 million metric tons of CO2e
A wide shot of Boston with the state capitol in the foreground and a sunset reflecting off the clouds.

The 2025–2027 Energy Efficiency and Decarbonization Plan

Download the executive summary.




View public hearings, draft plans, and public notice information.

 

We designed the 2025–2027 Energy Efficiency and Decarbonization Plan to maximize our customers’ benefits of energy efficiency and electrification solutions and to make it easier for customers to participate in the Mass Save programs. Key components of the plan include:

Key Components of the 2025-2027 Energy Efficiency and Decarbonization Plan
Key Components

A centralized Mass Save call center to help all residential customers obtain program information and access to energy efficiency and decarbonization offers tailored to their interests and goals;

Enhancements to Home Energy Assessments, including more comprehensive evaluation of decarbonization opportunities, as well as broader and enhanced services and offers, such as more instant incentives and end-to-end facilitation and support;

A simplified qualification process for renters and income-qualifying customers in designated equity communities to access 100% off weatherization upgrades and enhanced electrification offers;

Expanded language access services to best serve customers whose preferred language is not English;

 

Dedicated services targeted to K–12 schools to support building decarbonization with an energy efficiency first approach through technical assistance, energy manager grants, incentives, and assistance to help communities seek additional outside funds for building upgrades;

 

Enhanced support for our cornerstone Community First Partnership program through increased funding and data access to support community-led outreach efforts;

New services, tools, and resources to expand the ways customers can participate in energy efficiency programs based on their goals and preferences.



We thank the Massachusetts Department of Energy Resources, the Office of the Attorney General, the Massachusetts Energy Efficiency Advisory Council, including the Equity Working Group, the public, our implementation and community partners, our trade allies, and other interested stakeholders whose efforts and valued input are key to making the Mass Save programs successful.