Quick Answer
National Grid currently charges $0.3200/kWh, up 23.8% year-over-year. An 8 kW solar system saves approximately $3,072/year at this rate.
National Grid Electricity Rate Tracker 2026
Track National Grid's residential electricity rates over time and see how rate changes impact solar panel savings for Massachusetts homeowners.
Current Residential Rate
$0.3200/kWh
Service Territory
Central and Southeast MA, Rhode Island
Customers
3.4M
Rate Type
regulated
Primary State
Massachusetts
Rate History
National Grid's residential electricity rate from January 2024 to the present. The orange bar represents the current rate.
Rate History Details
| Month | Rate ($/kWh) | Change | Source |
|---|---|---|---|
| January 2026Current | $0.3200 | +20.7% | National Grid basic service filing |
| June 2025 | $0.2651 | +2.6% | EIA Form 861 |
| January 2025 | $0.2585 | +5.0% | National Grid basic service filing |
| June 2024 | $0.2462 | +5.0% | EIA Form 861 |
| January 2024 | $0.2345 | -- | EIA Form 861 |
What National Grid Rates Mean for Solar
Based on National Grid's current rate of $0.3200/kWh, here is what an average 8 kW residential solar system delivers in savings. These figures assume a system cost of $3.10/W with no federal tax credit (expired Dec 2025), 1,200 kWh/kW annual production, and 0.4% annual panel degradation.
$3,072
8 kW system at current rate
8.1 years
Cash purchase, no ITC
$105,944
3% annual rate escalation
Frequently Asked Questions
What is National Grid's current electricity rate?
How much have National Grid rates increased?
How much can I save with solar on National Grid?
Does National Grid offer ConnectedSolutions?
Lock In Your Savings Before Rates Rise Again
National Grid rates have risen 23.8% over the past year. Solar lets you generate your own electricity and protect against future increases. Get a free custom estimate for your home.
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