Connecticut Light & Power Co Electricity Rates and Average Bill (Connecticut)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, Connecticut Light & Power Co's residential customers in Connecticut paid an average effective rate of 23.94¢/kWh with an average monthly bill of $188.56, per EIA Form 861-M data. That rate is 0.6¢ below the Connecticut average of 24.51¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the Connecticut average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 31.02 | 166.74 | 538 |
| October 2025 | 27.11 | 137.80 | 508 |
| November 2025 | 25.42 | 153.40 | 603 |
| December 2025 | 23.31 | 204.04 | 875 |
| January 2026 | 27.27 | 237.78 | 872 |
| February 2026 | 31.11 | 243.21 | 782 |
| March 2026 | 30.38 | 199.21 | 656 |
| April 2026 | 33.36 | 170.18 | 510 |
| May 2026 | 27.33 | 137.96 | 505 |
| June 2026 | 23.31 | 159.80 | 686 |
| July 2026 | 23.59 | 209.24 | 887 |
| August 2026 | 23.94 | 188.56 | 788 |
Connecticut Light & Power Co vs Connecticut vs the U.S.
| Connecticut Light & Power Co | Connecticut | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 23.94¢/kWh | 24.51¢/kWh | 18.16¢/kWh |
| Average monthly bill | $188.56 | $204.35 | $209.23 |
| Average monthly usage | 788 kWh | 834 kWh | 1152 kWh |
| Rate change, 1 year | −22.6% | −18.8% | +3.4% |
Estimate a bill at Connecticut Light & Power Co rates
Worked example: 1,000 kWh at Connecticut Light & Power Co's average effective rate of 23.94¢/kWh is about $239.40. The utility's actual average usage is 788 kWh/month, which produces the $188.56 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Connecticut rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.