Commercial electricity rates in Maine

What businesses in Maine actually paid per kilowatt-hour, from EIA's monthly utility filings. Updated monthly.

The last 36 months

Range over the period shown: 16.94¢ to 24.98¢ per kWh. Each point is a monthly state average, not an offered rate.

Maine by the numbers

How commercial compares with other sectors

All figures are August 2026 averages for Maine.

Commercial customers in Maine pay 34% less per kWh than households there. Nationally the commercial price sits 20% below residential, so the gap here is wider than usual.

What this costs a typical account

The average commercial account in Maine used 3,342 kWh in August 2026. At 21.33¢ per kWh that is about $713 for the month — computed from EIA totals, so it is the average account, mixing a large facility with a corner shop.

How the price has moved

Over the 36 months to August 2026, Maine's commercial price rose 25.9%, from 16.94¢ in September 2023 to 21.33¢. The high point was 24.98¢ in March 2026 and the low 16.94¢ in September 2023 — a spread of 47% between the cheapest and dearest month, which is unusually volatile for a state-level average.

Across the same period the dearest month on average was March (21.74¢) and the cheapest September (18.55¢), a seasonal swing of 17%.

Maine against its region

Maine is in EIA's New England division, where the commercial average was 22.24¢ in August 2026. Maine is 4% below that, and 4 of 6 on price within the region.

Others in the region: Connecticut, Vermont, New Hampshire, Rhode Island, Massachusetts.

States priced near Maine

Source

EIA Electric Power Monthly, retrieved 2026-11-02 · methodology · all 51 states