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

Data through July 2026 (the latest month EIA has published) · Updated October 13, 2026

As of July 2026, Connecticut Light & Power Co's residential customers in Connecticut paid an average effective rate of 23.59¢/kWh with an average monthly bill of $209.24, per EIA Form 861-M data. That rate is 0.6¢ below the Connecticut average of 24.16¢/kWh; the U.S. average is 18.31¢/kWh.

Average rate
23.59¢/kWh
−11.6% year over year
Average bill
$209.24
−18.4% year over year
Average usage
887 kWh/mo
vs 918 CT average
Residential customers
1,033,302
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)
August 202530.93225.88730
September 202531.02166.74538
October 202527.11137.80508
November 202525.42153.40603
December 202523.31204.04875
January 202627.27237.78872
February 202631.11243.21782
March 202630.38199.21656
April 202633.36170.18510
May 202627.33137.96505
June 202623.31159.80686
July 202623.59209.24887

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

Connecticut Light & Power CoConnecticutU.S. average
Rate (July 2026)23.59¢/kWh24.16¢/kWh18.31¢/kWh
Average monthly bill$209.24$221.84$212.44
Average monthly usage887 kWh918 kWh1160 kWh
Rate change, 1 year−11.6%−12.5%+4.9%

Estimate a bill at Connecticut Light & Power Co rates

1,000 kWh × 23.59¢ ≈ $235.90

Worked example: 1,000 kWh at Connecticut Light & Power Co's average effective rate of 23.59¢/kWh is about $235.90. The utility's actual average usage is 887 kWh/month, which produces the $209.24 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.