EIA data through August 2026 · updated 2026-10-29

NSTAR Electric Company electricity rates

NSTAR Electric Company (investor owned) residential customers paid about 19.4¢ per kWh (Jan–Aug 2026) — an average bill of $137 for 458 kWh a month.

Avg. home price19.4¢per kWh

Residential customers1,303,076MA, 2024

Avg. monthly use458kWh

Commercial9.8¢per kWh

Industrial9.2¢per kWh

Massachusetts has retail electricity choice. Many households can buy electricity supply from a competing supplier, while the local utility still delivers it. The averages here combine utility and supplier sales as reported to the EIA; your state’s public utility commission lists licensed suppliers.

What a month costs with NSTAR Electric Company

500 kWh / month$97

900 kWh / month$175

1,200 kWh / month$233

Monthly cost at the average price of 19.4¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Price trend

Massachusetts averageU.S. averageNSTAR Electric Company

Aug 202630.5¢per kWh

vs. 1 year ago-0.2%30.6¢

vs. 5 years ago+37.4%22.2¢

Record high32.7¢Mar 2023

Avg. home bill$236774 kWh, Aug

EIA forecast, New England30.5¢Dec 2027

Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the New England region, which includes Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont.

ZIP codes served

01001Agawam 01002Amherst 01003Amherst 01004Amherst 01007Belchertown 01008Blandford 01009Bondsville 01010Brimfield 01011Chester 01012Chesterfield 01013Chicopee 01014Chicopee 01020Chicopee 01021Chicopee 01022Chicopee 01026Cummington 01027Easthampton 01028East Longmeadow 01029East Otis 01030Feeding Hills 01032Goshen 01033Granby 01034Granville 01035Hadley 01036Hampden 01038Hatfield 01039Haydenville 01040Holyoke 01041Holyoke 01050Huntington 01053Leeds 01054Leverett 01056Ludlow 01057Monson 01059North Amherst 01060Northampton 01061Northampton 01062Florence 01066North Hatfield 01069Palmer 01070Plainfield 01071Russell 01072Shutesbury 01073Southampton 01075South Hadley 01077Southwick 01079Thorndike 01080Three Rivers 01081Wales 01082Ware 01084West Chesterfield 01085Westfield 01086Westfield 01088West Hatfield 01089West Springfield 01090West Springfield 01093Whately 01095Wilbraham 01096Williamsburg 01097Woronoco 01098Worthington 01101Springfield 01102Springfield 01103Springfield 01104Springfield 01105Springfield 01106Longmeadow 01107Springfield 01108Springfield 01109Springfield 01111Springfield 01115Springfield 01116Longmeadow 01118Springfield 01119Springfield 01128Springfield 01129Springfield 01138Springfield 01139Springfield 01144Springfield 01151Indian Orchard 01152Springfield 01199Springfield 01201Pittsfield 01202Pittsfield 01203Pittsfield 01220Adams 01222Ashley Falls 01223Becket 01224Berkshire 01225Cheshire 01226Dalton 01227Dalton 01229Glendale 01230Great Barrington 01235Hinsdale 01236Housatonic 01237Lanesborough 01238Lee 01240Lenox 01242Lenox Dale 01243Middlefield 01244Mill River 01245Monterey 01247North Adams 01252North Egremont 01253Otis 01254Richmond 01255Sandisfield 01256Savoy 01257Sheffield 01258South Egremont 01259Southfield 01260South Lee 01262Stockbridge 01263Stockbridge 01264Tyringham 01266West Stockbridge 01267Williamstown 01270Windsor 01301Greenfield 01302Greenfield 01330Ashfield 01337Bernardston 01338Buckland 01339Charlemont 01340Colrain 01341Conway 01342Deerfield 01343Drury 01344Erving 01346Heath 01347Lake Pleasant 01349Millers Falls 01350Monroe Bridge 01351Montague 01354Gill 01355New Salem 01360Northfield 01364Orange 01367Rowe 01370Shelburne Falls 01373South Deerfield 01375Sunderland 01376Turners Falls 01378Warwick 01379Wendell 01380Wendell Depot 01431Ashby 01432Ayer

and 372 more.

Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.

Questions

What is NSTAR Electric Company’s electricity rate?

About 19.4¢ per kWh for residential customers (Jan–Aug 2026 average, EIA-861M), including fixed charges spread over usage.

What is the average NSTAR Electric Company electric bill?

$137 a month in 2024, for an average of 458 kWh (EIA-861).

Is NSTAR Electric Company cheaper than the Massachusetts average?

Yes: 19.4¢ versus the Massachusetts average of 30.5¢ (Aug 2026).