Eversource invests approximately $585 million a year on energy efficiency across our service territory. We consider these investments the most economical way to reduce our region’s emissions and increase our competitiveness.

In Massachusetts, $294.6 million (100%) of the 2021 green bond proceeds were allocated to our Energy Efficiency programs.

We are consistently recognized as a leader in energy efficiency by national industry organizations.

The link below provides more detailed information on Eversource’s Energy Efficiency Programs.

• Eversource Energy Efficiency

Documents & Other Information

The links below provide further information about our Energy Efficiency efforts, how much we have spent and energy savings in Massachusetts.

Also, the Sustainability & The Environment page of our website contains more information about our commitment to the environment and sustainability - today and into the future.

• 2019 Energy Efficiency Plan Year Report - Eversource's filing with the Massachusetts Department of Public Utilities (DPU 20-50) detailing results for 2019


• 2020 Energy Efficiency Plan-Year Report - Eversource's filing with the Massachusetts Department of Public Utilities (DPU 21-70) detailing results for 2020


• Mass Save Electric & Gas Summary Report - Statewide Energy Efficiency data that can be filtered by each of the program administrators such as Eversource, other utilities and municipal aggregators