Electricity rates in 06439 — Hadlyme, CT
Homes in ZIP 06439 pay about 27.5¢ per kWh (Connecticut Light & Power Co., Jan–Aug 2026). The Connecticut average is 24.5¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 27.5¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 06439 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 06439
| Utility | Home price | Avg. bill | Customers in CT |
|---|---|---|---|
| Connecticut Light & Power Co. Investor Owned | 27.5¢ Jan–Aug 2026 | $187 | 1,174,420 |
| City of Norwich (CT) Municipal · serves New London County | 22.8¢ 2024 | $140 | 18,870 |
| Groton Dept of Utilities (CT) Municipal · serves New London County | 20.1¢ Jan–Aug 2026 | $134 | 12,284 |
| Bozrah Light & Power Company Municipal · serves New London County | 19.3¢ 2024 | $161 | 2,434 |
| City of Jewett City (CT) Municipal · serves New London County | 18.6¢ 2024 | $169 | 2,331 |
| Mohegan Tribal Utility Authority Political Subdivision · serves New London County | 12.5¢ 2024 | $16,464 | 76 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for New London County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Connecticut 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 06439
How much does electricity cost in 06439?
About 27.5¢ per kWh for homes (Connecticut Light & Power Co., Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $248.
Who is the electric utility for 06439?
Connecticut Light & Power Co., with about 1,174,420 residential customers in Connecticut; 5 other utilities also serve parts of the area.
Is electricity in CT getting more expensive?
The Connecticut residential average was 24.5¢ per kWh in August 2026, down 18.8% from a year earlier; the U.S. average was 18.2¢.
Can I choose my electricity supplier in CT?
Connecticut allows retail electricity choice for many households; the local utility still delivers the power.