Connecticut Light & Power Co Electricity Rates and Average Bill (Connecticut)

Data through April 2026 (the latest month EIA has published) · Updated July 05, 2026

As of April 2026, Connecticut Light & Power Co's residential customers in Connecticut paid an average effective rate of 33.36¢/kWh with an average monthly bill of $170.18, per EIA Form 861-M data. That rate is 1.1¢ above the Connecticut average of 32.24¢/kWh; the U.S. average is 18.83¢/kWh.

Average rate
33.36¢/kWh
−0.1% year over year
Average bill
$170.18
+1.4% year over year
Average usage
510 kWh/mo
vs 535 CT average
Residential customers
1,031,118
Investor Owned

Rate trend vs the Connecticut average

View this chart as a table (last 12 months)
MonthRate (¢/kWh)Avg bill ($/mo)Avg usage (kWh/mo)
May 202531.86159.93502
June 202525.51177.93697
July 202526.69256.53961
August 202530.93225.88730
September 202531.02166.74538
October 202527.11137.8508
November 202525.42153.4603
December 202523.31204.04875
January 202627.27237.78872
February 202631.11243.21782
March 202630.38199.21656
April 202633.36170.18510

Connecticut Light & Power Co vs Connecticut vs the U.S.

Connecticut Light & Power CoConnecticutU.S. average
Rate (April 2026)33.36¢/kWh32.24¢/kWh18.83¢/kWh
Average monthly bill$170.18$172.59$127.71
Average monthly usage510 kWh535 kWh678 kWh
Rate change, 1 year−0.1%+0.0%+7.3%

Estimate a bill at Connecticut Light & Power Co rates

1,000 kWh × 33.36¢ ≈ $333.60

Worked example: 1,000 kWh at Connecticut Light & Power Co's average effective rate of 33.36¢/kWh is about $333.60. The utility's actual average usage is 510 kWh/month, which produces the $170.18 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.