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Residential electric bill

Average Electric Bill in Portland 2026

The average electric bill in Portland is $147.67 a month. That is the Maine residential average. EIA publishes this figure by state, not by city.

$147.67per month

Rank
25 of 51
Price
27.69¢ per kWh
Typical use
533 kWh

That is $3.01 below the U.S. average of $150.68. Over a year it is about $1,772.04. The price and the kilowatt-hours are the EIA residential averages for Maine in 2025.

Cool summers and cold winters. Electric use is low, and the New England rate does the rest. Electric use is low. The New England rate is what keeps the bill near the U.S. average.

EIA builds the average bill from residential revenue divided by the number of residential customers (749,232 in Maine). It includes the energy and delivery charges utilities reported. It is not a quote for one house. A larger home, electric heat, or a time-of-use plan can land far from this average.

Cities in Maine

EIA does not publish a separate city bill. Each city below uses this Maine average.

The other big bills on a house

The electric bill shows up every month. The expensive years are usually a roof, an HVAC system, or a water heater.

Questions people ask

What is the average electric bill in Portland in 2026?
EIA does not publish a Portland bill. The official figure for Maine is $147.67 a month. That is the 2025 residential average, released October 7, 2026, and it is the latest full-year number.
Why does a 2026 page use a 2025 bill?
The annual EIA bill is a full calendar year. Final 2025 numbers were released on October 7, 2026. Monthly 2026 figures are still preliminary and are not a full-year average.
How much is electricity per kWh in Maine?
27.69¢ per kilowatt-hour, on about 533 kWh a month. A high bill can come from the rate, from heavy use, or from both. Electric use is low. The New England rate is what keeps the bill near the U.S. average.

Source: U.S. Energy Information Administration, Form EIA-861, residential average monthly bill, calendar year 2025, released October 7, 2026. EIA-861 data files. Figures are rounded to the cent, to 0.01¢ per kWh, and to the nearest kilowatt-hour.

Average electric bill by state 2026 · Average electric bill in Maine