Electricity rates in 04345 — Gardiner, ME
Homes in ZIP 04345 pay about 29.8¢ per kWh (Central Maine Power Co., Jan–Aug 2026). The Maine average is 32.1¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
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.
Where ZIP 04345 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 04345
| Utility | Home price | Avg. bill | Customers in ME |
|---|---|---|---|
| Central Maine Power Co. Investor Owned | 29.8¢ Jan–Aug 2026 | $131 | 577,955 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Kennebec County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Maine price trend
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.
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 about 04345
How much does electricity cost in 04345?
About 29.8¢ per kWh for homes (Central Maine Power Co., Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $268.
Who is the electric utility for 04345?
Central Maine Power Co., with about 577,955 residential customers in Maine.
Is electricity in ME getting more expensive?
The Maine residential average was 32.1¢ per kWh in August 2026, up 14.1% from a year earlier; the U.S. average was 18.2¢.