States › Connecticut › December 2025
Connecticut electricity prices, December 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In December 2025, residential customers in Connecticut paid an average of 25.30¢ per kilowatthour, down 10.0% on the same month a year earlier (28.12¢). The US average for the month was 17.24¢; Connecticut was 47% above that. It ranked 9th highest among the 50 states and the District of Columbia.
Residential sales were 1,381,755 MWh, up 8.7% on a year earlier, and the average residential bill for the month was $218.18 on 862 kWh. Weather moves monthly sales far more than prices do, so bills swing with the season.
EIA marks this month as preliminary. Preliminary months come from the Form EIA-861M sample and are revised when the annual census is complete.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Monthly figures come from the Form EIA-861M sample and are revised when EIA finalises the year.
Price by sector
| Sector | Dec 2025 | Dec 2024 | Change | US, Dec 2025 |
|---|---|---|---|---|
| Residential | 25.30¢ | 28.12¢ | -10.0% | 17.24¢ |
| Commercial | 22.21¢ | 23.28¢ | -4.6% | 13.63¢ |
| Industrial | 19.13¢ | 19.69¢ | -2.8% | 8.53¢ |
| All sectors | 23.57¢ | 25.50¢ | -7.6% | 13.73¢ |
Sales and customers
| Measure | Dec 2025 | Dec 2024 | Change |
|---|---|---|---|
| Residential sales | 1.4 TWh | 1.3 TWh | +8.7% |
| Sales, all sectors | 2.6 TWh | 2.4 TWh | +6.9% |
| Residential customers | 1,602,362 | 1,563,390 | +2.5% |
| Average residential bill | $218.18 | $228.55 | -4.5% |
| Average residential use, kWh | 862 | 813 | +6.0% |
| US residential price | 17.24¢ | 16.27¢ | +6.0% |
The two years to December 2025
Connecticut residentialUS residential
Questions and answers
What was the average electricity price in Connecticut in December 2025?
25.30¢ per kilowatthour for residential customers, 22.21¢ for commercial and 19.13¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 28.12¢ in December 2024, a change of -10.0%. Residential sales changed by +8.7% over the same period.
What was the average residential bill that month?
$218.18, on average use of 862 kWh. This is residential revenue divided by residential customers for the month.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month), status "Preliminary" for this month, series published through July 2026. Public domain. Price = revenue ÷ sales; bill = residential revenue ÷ residential customers. Utility-level annual figures are on the Connecticut page.