Connecticut Light & Power Co Electricity Rates and Average Bill (Connecticut)
Data through June 2026 (the latest month EIA has published) · Updated September 04, 2026
As of June 2026, Connecticut Light & Power Co's residential customers in Connecticut paid an average effective rate of 23.31¢/kWh with an average monthly bill of $159.80, per EIA Form 861-M data. That rate is 1.0¢ below the Connecticut average of 24.32¢/kWh; the U.S. average is 18.34¢/kWh.
Rate trend vs the Connecticut average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| July 2025 | 26.69 | 256.53 | 961 |
| August 2025 | 30.93 | 225.88 | 730 |
| 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 |
Connecticut Light & Power Co vs Connecticut vs the U.S.
| Connecticut Light & Power Co | Connecticut | U.S. average | |
|---|---|---|---|
| Rate (June 2026) | 23.31¢/kWh | 24.32¢/kWh | 18.34¢/kWh |
| Average monthly bill | $159.80 | $174.25 | $170.65 |
| Average monthly usage | 686 kWh | 716 kWh | 930 kWh |
| Rate change, 1 year | −8.6% | −10.6% | +5.0% |
Estimate a bill at Connecticut Light & Power Co rates
Worked example: 1,000 kWh at Connecticut Light & Power Co's average effective rate of 23.31¢/kWh is about $233.10. The utility's actual average usage is 686 kWh/month, which produces the $159.80 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.