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If you have a heat pump or are planning to install one, this electric rate may benefit you!
The Heat Pump Rate gives customers using heat pumps to fully or partially heat their home a reduced rate from November to April. This rate can help you lower your winter heating costs while future rate options designed around when you use your energy are developed to provide greater control over your energy bill.
Ready to enroll?
Contact Customer Service at 1-888-301-7700*, or complete our Contact Customer Service Form and indicate that you would like to sign up for the Heat Pump Rate. *Assistance is available in multiple languages.
How does the Heat Pump Rate work?
As shown below, Heat Pump Rate has a lower distribution and transmission rate per kWh from November to April. In the winter months, the Heat Pump Rate is approximately $0.095 (9.5 cents) per kWh lower than the Standard Residential Rate (RD1).
Other delivery rate components, the monthly customer charge, and supplier service charges are the same across the two rates. View a complete summary showing all rate components here.

How much could I save with the heat pump rate?
Customers heating with heat pumps who switch from the Standard Residential Rate (RD1) to the Heat Pump Rate could save between $82 and $203 per month from November through April based on average usage estimates for heat pump customers.
Income-eligible customers may save between $49 and $122 per month.
Actual savings will vary depending on your energy use and the type of heat pump installed.
Rate Eligibility
To participate in the rate, you will need to affirm that you have a heat pump that is used for heating (either fully or partially) and commit to being on the rate for a minimum of one year.
Income Eligibility
We offer a Heat Pump Rate especially designed for income-eligible customers. These customers will receive a discount on their total bill on top of the savings offered by the heat pump rate.
Auto-Enrollment Notice:
If you receive a qualifying heat pump rebate through Mass Save®, you will be automatically enrolled in the Heat Pump Rate. You will be notified of this enrollment and have the opportunity to opt out at any point if you choose.
If you received a heat pump rebate through Mass Save prior to 1/1/2019, have installed a heat pump independent of Mass Save, or believe you are eligible but have not received notice that you were enrolled automatically, please contact Customer Service at 1-888-301-7700*, or complete our Contact Customer Service Form to enroll in the Heat Pump Rate. *Assistance is available in multiple languages.
High Efficiency Comfort
Are heat pumps a good fit for you?
Depending on your lifestyle, heat pumps could offer great savings.
Budget Billing
Fixed monthly payments
Residential customers can enjoy the convenience of our Budget Billing Program. This program helps distribute your payments evenly throughout the year to avoid fluctuating costs.
Mass Save®
Mass Save® is a collaborative of Massachusetts’ electric and natural gas utilities and energy efficiency service providers. Through a range of services, rebates, incentives, trainings, and information, Mass Save solutions help residents, businesses, and communities make energy upgrades that support a cleaner, more affordable energy future.
Heat Pump Resources on MassSave.com:
- Do you have a Heat Pump? A Guide to Identifying Your HVAC System
Other Pages You May Find Interesting
Ready to switch to the Heat Pump Rates?
To enroll, contact Customer Service at 1-888-301-7700*, or complete our Contact Customer Service Form and indicate that you would like to sign up for the Heat Pump Rate. *Assistance is available in multiple languages.