Central Maine Power Co. electricity rates

Central Maine Power Co. (investor owned) residential customers paid about 29.8¢ per kWh (Jan–Aug 2026) — an average bill of $131 for 557 kWh a month.

What a month costs with Central Maine Power Co.

500 kWh / month$149

900 kWh / month$268

1,200 kWh / month$358

Monthly cost at the average price of 29.8¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Price trend

Home priceAvg. billMonthly useBusiness rates

1Y3Y5YAll

Maine averageU.S. averageCentral Maine Power Co.

Aug 202632.1¢per kWh

vs. 1 year ago+14.1%28.1¢

vs. 5 years ago+87.4%17.1¢

Record high32.4¢Jul 2026

Avg. home bill$157489 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

03901Berwick03902Cape Neddick03903Eliot03904Kittery03905Kittery Point03906North Berwick03907Ogunquit03908South Berwick03909York03910York Beach03911York Harbor04001Acton04002Alfred04003Bailey Island04004Bar Mills04005Biddeford04007Biddeford04008Bowdoinham04009Bridgton04010Brownfield04011Brunswick04014Cape Porpoise04015Casco04016Center Lovell04017Chebeague Island04019Cliff Island04020Cornish04021Cumberland Center04022Denmark04024East Baldwin04027Lebanon04028East Parsonsfield04029Sebago04030East Waterboro04032Freeport04033Freeport04034Freeport04037Fryeburg04038Gorham04039Gray04040Harrison04041Hiram04042Hollis Center04043Kennebunk04046Kennebunkport04047Parsonsfield04048Limerick04049Limington04050Long Island04051Lovell04054Moody04055Naples04056Newfield04057North Bridgton04061North Waterboro04062Windham04063Ocean Park04064Old Orchard Beach04066Orrs Island04068Porter04069Pownal04070Scarborough04071Raymond04072Saco04073Sanford04074Scarborough04076Shapleigh04077South Casco04078South Freeport04079Harpswell04082South Windham04083Springvale04084Standish04085Steep Falls04086Topsham04087Waterboro04088Waterford04090Wells04091West Baldwin04092Westbrook04093Buxton04094West Kennebunk04095West Newfield04096Yarmouth04097North Yarmouth04098Westbrook04101Portland04102Portland04103Portland04104Portland04105Falmouth04106South Portland04107Cape Elizabeth04108Peaks Island04109Portland04110Cumberland Foreside04112Portland04116South Portland04122Portland04123Portland04124Portland04210Auburn04211Auburn04212Auburn04216Andover04217Bethel04219Bryant Pond04220Buckfield04221Canton04222Durham04223Danville04224Dixfield04225Dryden04226East Andover04227East Dixfield04228East Livermore04230East Poland04231Stoneham04234East Wilton04236Greene04237Hanover04238Hebron04239Jay04240Lewiston04241Lewiston04243Lewiston04250Lisbon04252Lisbon Falls04253Livermore04254Livermore Falls04255Greenwood04256Mechanic Falls04257Mexico04258Minot04259Monmouth04260New Gloucester04261Newry04262North Jay04263Leeds04265North Monmouth04266North Turner04267North Waterford04268Norway04270Oxford04274Poland04275Roxbury04276Rumford04280Sabattus04281South Paris04282Turner

and 252 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 Central Maine Power Co.’s electricity rate?

About 29.8¢ per kWh for residential customers (Jan–Aug 2026 average, EIA-861M), including fixed charges spread over usage.

What is the average Central Maine Power Co. electric bill?

$131 a month in 2024, for an average of 557 kWh (EIA-861).

Is Central Maine Power Co. cheaper than the Maine average?

Yes: 29.8¢ versus the Maine average of 32.1¢ (Aug 2026).