National Grid Massachusetts Electric Rates & Plans
Electricity rates, plans, peak hours and solar rules for National Grid Massachusetts homes in Massachusetts. Updated November 2026.
What homes pay
- Average home rate
- 33.86¢/kWh
- 1-year change
- +0.9%
- 201923.83¢
- 202336.72¢
- 202433.60¢
- 202533.66¢
- Sep 2025 to Aug 202633.86¢
National Grid Massachusetts delivers your power. You can buy the electricity from National Grid Massachusetts or from a supplier you choose. The average rate above is for homes that buy from National Grid Massachusetts.
Source: U.S. Energy Information Administration, Form EIA-861M and Form EIA-861. Average rate: September 2025 to August 2026. 1-year change: January to August 2026 compared with January to August 2025.
Plans and peak hours
| Plan | Peak hours | Fixed monthly charge |
|---|---|---|
| Standard (R-1) | None. Same price all day | $10.00 |
| Heat pump rate | None. Same price all day | $10.00 |
Source: National Grid Massachusetts service rates, as of August 2026.
Solar and battery rules
- Power you send back
- Net metering credits systems up to 25 kW at close to the retail price.
- Solar incentive
- SMART 3.0 pays 3¢ per kWh for 20 years.
Source: Mass.gov net metering guide; Massachusetts Clean Energy Center, SMART 3.0.
Other Massachusetts utilities
Energy, on a better plan
Solar and battery storage for one monthly payment, at a lower rate than your utility. $0 to low upfront. We own the equipment and look after it.