Great news for Massachusetts homeowners with heat pumps! Residential customers serviced by National Grid, Eversource and Unitil  may now qualify for Massachusetts Heat Pump Electrical Rates. The Heat Pump Electrical Rates are reduced winter electricity rates designed to make efficient electric heating even more affordable.

The new Heat Pump Rates apply only during the heating season and are available to both homeowners and renters who use heat pumps for whole-home or partial-home heating. Each utility has its own enrollment process and information around eligibility requirements, which we outline below.

Couple sitting on their couch on laptop with mini-split heat pump behind them.

At Jay Moody HVAC, we’re here to help customers determine eligibility and gather the right documentation needed to enroll in their utility’s Heat Pump Rate program.

National Grid Heat Pump Electric Rate

What is National Grid’s Heat Pump Rate?

National Grid’s Heat Pump Rate offers a lower electricity distribution rate for residential customers who use heat pumps for home heating. This lower distribution rate is applied to all electricity usage between November 1st and April 30th not just electricity consumed by your heat pump system.

National Grid estimates residential customers with R-1 electric accounts could save between $70 and $141 per month in the winter, based on average electricity usage. 

Who Qualifies for National Grid’s Heat Pump Rate

The Heat Pump rate is available to National Grid residential account customers who use heat pumps to heat in partial or in full. This includes:

  • Residential R-1 homeowners using heat pumps for any amount of home heating
  • Residential R-2 (low income) homeowners using heat pumps for any amount of home heating
    • R-2 customers using heat pumps qualify for the R-2 Heat Pump Rate
  • Renters with a personal National Grid electric account (R-1 or R-2) and qualifying heat pump system in their unit

The following are not eligible for the National Grid Heat Pump Rate

  • AC-only heat pumps and heat pump water heaters are not eligible
  • Commercial customers do not qualify for National Grid’s Heat Pump Rate

How to Enroll in National Grid’s Heat Pump Rate

If you are a National Grid residential electrical customer who has installed heat pumps in 2019 or later utilizing the Mass Save® program, National Grid may automatically enroll you for the Heat Pump Rate.

If your heat pump system was installed before 2019, under a different account or without Mass Save® participation, you can enroll online through National Grid’s website, linked here.

To enroll in National Grid’s Heat Pump Rate, you must provide the following information:

  • Your National Grid account number
  • Your service address
  • At least one form of confirmation of your heat pump for heating use. This includes any of the following:
    • Proof of payment or receipt of heat pump equipment purchase
    • Invoice or receipt from heat pump contractor for the installation
    • Mass Save ® rebate payment confirmation email or letter
    • A clear photo of your heat pump’s outside unit showing the system model and serial numbers

Once you have enrolled, your bill will note:

You are currently enrolled in the Heat Pump Rate, which provides a lower distribution charge during the winter heating season. The reduced rate is applied from November through April kWh usage and is included in the distribution charge line item under the Delivery Services section of your bill’.

National Grid asks customers to allow 1-2 billing cycles for the new rate to appear.

Eversource Heat Pump Electrical Rate

What is Eversource’s Heat Pump Rate?

Eversource’s residential Heat Pump Rate provides reduced electric distribution and transmission rates per kWh from November 1 to April 30. The discount applies to all electricity used during the heating season, even if your heat pump does not heat the entire home.

Who Qualifies for Eversource’s Heat Pump Rate

Eversource’s Heat Pump rate is available to customers with a residential account who use heat pumps for any amount of heating. This includes:

  • Eversource residential R-1 and R-2 account holders using heat pumps for any heating are eligible for the Heat Pump Rate
  • Renters with their own Eversource account and use heat pumps to heat (in partial or full) are eligible for the Heat Pump Rate

The following are not eligible for Eversource’s Heat Pump Rate:

  • Cooling-only heat pumps are not eligible
  • Heat pump water heaters are not eligible
  • Commercial accounts are not eligible

How to Enroll in Eversource’s Heat Pump Rate

Like National Grid’s Heat Pump Rate, Eversource residential customers who utilized the Mass Save® program to install heat pumps in 2019 or later, will be automatically enrolled at the rate beginning November 1, 2025. Those automatically enrolled should have received notification of their enrollment.

Residential Eversource customers who heat with heat pumps installed prior to 2019 or did not utilize the Mass Save ® program, or for renters with a R-1 or R-2 Eversource account that heat with heat pumps must enroll on their own.

Eversource customers can enroll online or by mail.

Enroll Online:

Visit Eversource’s enrollment page and upload one of the following:

  • Proof of payment or receipt of heat pump equipment purchase
  • invoice or receipt from heat pump contractor for the installation
  • Confirmation email or letter of Mass Save ® rebate payment
  • A photo of outdoor heat pump unit showing model and serial numbers
  • Massachusetts Clean Energy Center (MassCEC) approved application

Enroll by Mail:

To enroll by mail, send the following information to: Abode c/o Eversource Energy, 555 Virgina Road, Concord.

  • First & last name
  • Telephone number
  • Email address
  • Eversource electric account number
  • Heat pump make, model, and serial number (optional)
  • One of the following documents:
    • Proof of payment or receipt of heat pump equipment purchase
    • Invoice or receipt from heat pump contractor for the installation
    • Confirmation email or letter of Mass Save ® rebate payment
    • A photo of outdoor heat pump unit showing model and serial number
    • Massachusetts Clean Energy Center (MassCEC) approved application

For questions or help confirming eligibility, Eversource customers can book a free virtual consultation.

Unitil Heat Pump Electrical Rate

What is Unitil’s Heat Pump Rate?

Unitil offers a discounted distribution rate for residential electric customers who use heat pumps for heating between November 1 and April 30.

  • Heat Pump Rate: $0.08995 per kWh
  • Standard R-1 Rate: $0.15538 per kWh

These savings apply to all electricity consumed during the billing period, helping homeowners and renters lower their winter heating costs.

Who Qualifies for Unitil’s Heat Pump Rate

To qualify for Unitil’s Heat Pump Rate, customers must have one or more heat pumps used for home heating and an active R-1 or R-2 residential Unitil electric account. (Cooling-only heat pumps and heat pump water heaters are not eligible.)

Customers with an R-2 Residential Assistance account qualify for a separate R-2 Heat Pump Rate. Renters who have their own Unitil residential electric account and use heat pumps for heating also qualify.

Commercial customers are not eligible for the Heat Pump Rate.

How to Enroll in Unitil’s Heat Pump Rate

Unitil Customers who installed qualifying heat pump systems through Mass Save® (2019 or later) are automatically enrolled in Unitil’s Heat Pump Rate.

If your system was installed before 2019, without Mass Save®, or under a different account number, you can enroll by:

And remember, if you ever have questions or need expert service, Jay Moody HVAC is here to help!

The new heat pump electrical rates provide Massachusetts homeowners with a practical way to lower energy costs throughout their entire household during the heating season. Customers of National Grid, Eversource and Unitil can take advantage of these programs, which are designed to make efficient, all-electric heating more affordable.

Homeowners served by municipal electric companies should check with their local utility, as many offer their own heat pump rate programs that support energy efficiency at the community level.

Jay Moody HVAC is happy to assist our customers in locating the appropriate documentation and confirming eligibility for the Heat Pump Rates.

Jay Moody HVAC engineer sitting down with homeowner to design HVAC system.

Interested in leveraging available energy incentives and heat pump electric rates? Schedule your free heat pump quote today!

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