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Connecticut Light & Power Co
Connecticut Light & Power Co served 995,130 residential customers in Connecticut in 2025 (62.9% of the state's residential customers), the 1st largest of 15 utilities reporting there. Bundled service; ownership: investor owned; balancing authority ISNE.
The meter, one average month.
Scroll to run 30 days of Connecticut Light & Power Co's average residential use through a five-dial register.
- Used so far
- 677 kWh
- At 28.88¢/kWh
- $195
Price ruler0 to 50¢ per kWh
Where 28.88¢ sits.
Connecticut Light & Power Co averaged 28.88¢ per kWh against a Connecticut residential average of 29.38¢: 1.7% below the state figure. Among the 2 investor owned utilities in Connecticut with bundled residential sales, it ranks 1st from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Connecticut Light & Power Co home used 720 kWh a month at 21.55¢ and paid $155. In 2025 it used 677 kWh at 28.88¢ and paid $195: the price per kWh is up 34%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 21.55 | 28.88 |
| Use, kWh a month | 720 | 677 |
| Bill, US$ a month | 155.07 | 195.35 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 995,130 | 8,078,623 | 28.88 |
| Commercial | 75,368 | 1,926,833 | 22.92 |
| Industrial | 1,616 | 202,297 | 15.61 |
Who else is on the line
Homes are one class.
Homes took 79.1% of the electricity Connecticut Light & Power Co sold in Connecticut in 2025.
Rooftop solar on its linesnet metering
90,904 roofs.
- Residential net-metered PV
- 90,904installations reported for 2025
- Capacity
- 749.8 MWresidential, net metered
- Per 1,000 homes
- 91.3installations per 1,000 residential customers
Service territoryEIA-861
8 counties.
FairfieldHartfordLitchfieldMiddlesexNew HavenNew LondonTollandWindham
Counties in Connecticut where Connecticut Light & Power Co reported serving customers in 2025 (8 in all; up to 24 listed).
EIA-8612025Utility 4176
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 28.88 | ¢/kWh |
| Connecticut average price | 29.38 | ¢/kWh |
| Difference from state average | -1.7 | % |
| Price change over 5 years | 34.0 | % |
| Typical monthly use | 677 | kWh |
| Typical monthly bill | 195.35 | US$ |
| Residential customers | 995,130 | accounts |
| Share of CT residential customers | 62.9 | % |
| Size rank in CT | 1 of 15 | by customers |
| Price rank, investor owned peers | 1 of 2 | 1 = lowest |
Rate plans on fileOpenEI URDB
4 active plans.
- Time-of-use
- 1more than one energy period within a month
- Seasonal only
- 0price changes by month, not by hour
- Median fixed charge
- $10.31US dollars per month
- Median flat energy rate
- 3.85¢cents per kWh, one period and one tier
Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.
Connecticut: state average, five-year steps and every provider