Eversource Heat Pump Rate

As of November 1, 2025, Eversource has a new winter heat pump electric delivery rate (November-April) for residents that have homes fully or partially heated with heat pumps. Please note that this change does not affect the supply rate portion of your electric bill. Whether you are participating in Needham Power Choice supply rates, using Eversource supply rates, or using a private electricity supply contract, these supply rates will remain unchanged. The new heat pump rate applies only to the delivery rate portion of your electric bill.

If you received a Mass Save rebate for a heat pump you installed after Jan. 1, 2019, Eversource should have automatically enrolled you in this rate beginning Nov. 1, 2025. If you were automatically enrolled, you should have received an email from Eversource during the month of October 2025. You should see the new winter heat pump electric delivery rate reflected on your December electric bill. 

If you did not receive an email from Eversource during the month of October 2025 or if you installed your heat pump prior to Jan. 1, 2019, you need to apply for the heat pump rate and submit documentation to Eversource via their website: https://www.eversource.com/residential/account-billing/manage-bill/about-your-bill/rates-tariffs/heat-pump-rate

Please note that Eversource's documentation website will require you to set up an online account and you will need to have your documentation prepared before starting the process. The website will only accept photos less than 4 MB and will only allow one heat pump ID to be shared.

For questions about the heat pump rate, please visit the Mass Save Heat Pump Rate FAQ page or email Needham’s Sustainability Manager Gabby Queenan at gqueenan@needhamma.gov.  

Heat Pump Resources

Heat pumps remain one of the most impactful ways that a Needham household can decarbonize. Heat pumps are cost-effective and energy-efficient technologies that transform how your home uses energy. They are heating and cooling systems that move heat indoors in the winter and draw heat outdoors in the summer. Instead of burning fossil fuels, they’re powered by electricity to move heat to keep your home at a comfortable temperature year-round. Today’s cold climate heat pumps can be up to 400% efficient and many provide efficient heating at outdoor temperatures as low as -15 °F.

While the new heat pump rate described above by Eversource will lower the costs of electricity during the defined winter months (November-April), it is important to note that the relative costs of installing and operating a heat pump - compared to those of a home’s existing heating and cooling system - can vary based on a number of factors, including, but not limited to:

• Current heating fuel
• Type, age, and efficiency of the heating system being replaced
• Whether the heat pump will partially or fully displace the existing heating system
• Existence of ductwork in the home
• Type of heat pump installed (e.g., air source versus ground source)

Homeowners can review information regarding heat pump financial incentives by visiting the Town's Energy Efficiency at Home page. Homeowners can receive more detailed direction and information on installing heat pumps via: 

• A free Mass Save Home Energy Assessment (HEA) Home Energy Assessments | Residential | Mass Save and/or Decarbonization Consultation Decarbonization Consultations | Residential | Mass Save
• Green Needham's Energy Coaching Program