Massachusetts electric rates and bill calculators
In November 2026, 1,000 kWh costs from $369.58 on Eversource (Massachusetts) to $410.14 on National Grid (Massachusetts) (2 utilities with a complete bill), before sales tax. That is 37.0¢ to 41.0¢ per kWh with all the charges of the tariff. Select your utility to calculate your own bill. Each calculator uses the tariff of the utility. The Massachusetts Department of Public Utilities approves these tariffs.
- 2 utilities
- Average bill in 2025: $181.08 a month
- Rates checked October 16, 2026
- 2 rate changes in the last 12 months
Utilities in Massachusetts
What 1,000 kWh costs in Massachusetts (November 2026)
The same bill on the tariff of each utility: 1,000 kWh in a 30-day November billing period, before sales tax. The most expensive utility is first. Compare all 92 utilities.
| Utility | 1,000 kWh | Per kWh | Change from October |
|---|---|---|---|
| National Grid (Massachusetts)Schedule R-1 · Company on your bill: Massachusetts Electric | $410.14 | 41.01¢ | $0.00 |
| Eversource (Massachusetts)Schedule R-1 · Greater Boston, Cambridge or South Shore | $369.58 | 36.96¢ | $0.00 |
See all Massachusetts electric utilities with their average bills, including the ones without a calculator on this site yet.
Help paying the bill: Eversource (Massachusetts) bill help.
Cities: electricity in Boston, electricity in Barnstable, electricity in Braintree, electricity in Brockton, electricity in Cambridge, electricity in Chicopee, electricity in Holyoke, electricity in Lynn, electricity in New Bedford, electricity in North Attleborough, electricity in Peabody, electricity in Pittsfield, electricity in Quincy, electricity in Revere, electricity in Springfield, electricity in Taunton, electricity in Westfield, electricity in Worcester.
Average electric bill in Massachusetts
In 2025, the average home in Massachusetts used 596 kWh a month and paid $181.08 a month (30.4¢ per kWh). The U.S. average was $150.68 (874 kWh, 17.2¢ per kWh). These are yearly averages from the EIA-861 data of the U.S. Energy Information Administration. See the average electric bill in Massachusetts by utility and by month, the average bill in each state, the average bill of an apartment, business electricity rates in Massachusetts and natural gas bills in Massachusetts. To turn watts or kWh into dollars at the Massachusetts price, use the electricity cost calculator.
| Utility | Homes | kWh a month | Price per kWh | Average bill |
|---|---|---|---|---|
| National Grid (Massachusetts) | 440,365 | 488 | 33.7¢ | $164.45 |
| Eversource (Massachusetts) | 306,795 | 474 | 21.5¢ | $101.86 |
The average bill is different from the 1,000 kWh bill above: it uses the real average kWh of each utility's homes and the rates of 2025.
The same bill in each month of the year
1,000 kWh in a 30-day billing period, calculated for each month with the rates in the tariff for that month. Only the rates change, not the kWh, so the difference comes from seasonal rates and monthly charges. The largest difference is first.
| Utility | Lowest month | Highest month | Difference |
|---|---|---|---|
| National Grid (Massachusetts)Schedule R-1 | $392.01February | $410.14January | $18.13 |
| Eversource (Massachusetts)Schedule R-1 | $352.64February | $369.58January | $16.94 |
Rate changes in Massachusetts
In the last 12 months, we recorded 2 rate changes in the Massachusetts tariffs on this site: 2 increases and 0 decreases. Each value is from the official document in the source link. To see what one change does to your bill, use the rate change tool.
| Date | Utility | Charge | Old | New | Source |
|---|---|---|---|---|---|
| August 1, 2026 | National Grid (Massachusetts)Schedule R-1 | Basic Service fixed price (supply) | 15.372¢ per kWh | 17.185¢ per kWh | Source |
| August 1, 2026 | Eversource (Massachusetts)Schedule R-1 | Basic Service fixed price (supply) | 15.629¢ per kWh | 17.323¢ per kWh | Source |
Pages for each Massachusetts utility
| Utility | Pages |
|---|---|
| Eversource (Massachusetts) | Rates and bill calculator · Basic Service (fixed rate) history |
| National Grid (Massachusetts) | Rates and bill calculator · Basic Service (fixed price option) history |
How electricity prices work in Massachusetts
- Your address decides your utility. The tariff of that utility gives the price of each kWh and the monthly charges.
- Supply. In Massachusetts, some homes can buy the supply part of the bill from another company. The default supply price of the utility is the price to compare: Eversource (Massachusetts) basic service (fixed rate) (17.323¢ now), National Grid (Massachusetts) basic service (fixed price option) (17.185¢ now). Compare them on one page: Massachusetts default electricity price by utility. See all utilities.
- Not in the calculations. Sales tax, city fees and discount programs are not in the tables on this page. The calculator of each utility shows them where the tariff gives them.
What is the average electric bill in Massachusetts?
In 2025, the average home in Massachusetts used 596 kWh a month and paid $181.08 a month, 30.4¢ per kWh, from the EIA-861 data of the U.S. Energy Information Administration. The U.S. average was $150.68 (874 kWh, 17.2¢ per kWh). Your own bill depends on your utility and your kWh.
How much is a 1,000 kWh electric bill in Massachusetts?
In November 2026, 1,000 kWh costs from $369.58 on Eversource (Massachusetts) to $410.14 on National Grid (Massachusetts) (2 utilities with a complete bill), before sales tax. That is 37.0¢ to 41.0¢ per kWh with all the charges of the tariff. The bill is for a 30-day billing period at the standard residential rate of each utility.
Which Massachusetts utility has the lowest electric rates?
Of the 2 utilities in the table, Eversource (Massachusetts) has the lowest bill for 1,000 kWh in November 2026 ($369.58). You cannot select your utility: it is the utility that serves your address. The order can change with the season and with your kWh.
Are electric rates going up in Massachusetts?
In the last 12 months, we recorded 2 rate changes for the Massachusetts tariffs on this site: 2 increases and 0 decreases. The most recent: National Grid (Massachusetts) changed the basic Service fixed price on August 1, 2026.
Why is my electric bill higher in some months in Massachusetts?
Many tariffs have seasonal rates or charges that change each month. With the same 1,000 kWh, the National Grid (Massachusetts) bill is $410.14 in January and $392.01 in February. Homes also use more kWh for heating and cooling, which adds to the bill. The table of each month on this page shows the difference for each utility.
Who sets electric rates in Massachusetts?
The Massachusetts Department of Public Utilities approves the rates of Eversource (Massachusetts) and National Grid (Massachusetts). Each calculator on this site uses the approved tariff of the utility.
This list shows only the utilities with checked tariffs. Some homes in Massachusetts get electricity from an electric cooperative or a city utility. We do not have these tariffs yet. Send the name of your utility to contactus@utilityratecalc.com.
Do you want solar panels or an electric vehicle? The Massachusetts solar calculator and the EV charging from solar calculator on ProSolarCalc estimate the savings and the payback. Also read what changed in the federal solar tax credit in 2026. Sri Murugan Systems also makes ProSolarCalc.
No account needed: Massachusetts rate changes (RSS feed) · all rate changes (RSS feed) · a monthly reminder for your calendar · save your bills in this browser. Each month, the bill comparison shows what 1,000 kWh costs at every utility.
State regulator: Massachusetts Department of Public Utilities.