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Connecticut Light & Power Co
Connecticut Light & Power Co served 198,451 residential customers in Connecticut in 2025 (12.5% of the state's residential customers), the 1st largest of 15 utilities reporting there. Delivery-only 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
- 863 kWh
- At 18.65¢/kWh
- $161
Price ruler0 to 50¢ per kWh
Where 18.65¢ sits.
This page covers delivery-only service, which is only part of a household's bill, so its 18.65¢ is not compared with the Connecticut bundled average of 29.38¢. Both are drawn for scale only.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Connecticut Light & Power Co home used 758 kWh a month at 15.48¢ and paid $117. In 2025 it used 863 kWh at 18.65¢ and paid $161: the price per kWh is up 20.5%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 15.48 | 18.65 |
| Use, kWh a month | 758 | 863 |
| Bill, US$ a month | 117.27 | 160.95 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 198,451 | 2,055,375 | 18.65 |
| Commercial | 38,210 | 6,456,384 | 12.52 |
| Industrial | 1,169 | 1,473,097 | 9.76 |
| Transportation | 2 | 158,257 | 8.79 |
Who else is on the line
Homes are one class.
Homes took 20.3% 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
- 458.1installations 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 | 18.65 | ¢/kWh |
| Connecticut average price | 29.38 | ¢/kWh |
| Price change over 5 years | 20.5 | % |
| Typical monthly use | 863 | kWh |
| Typical monthly bill | 160.95 | US$ |
| Residential customers | 198,451 | accounts |
| Share of CT residential customers | 12.5 | % |
| Size rank in CT | 1 of 15 | by customers |
Rate plans on fileOpenEI URDB
None shown for this page. Plan counts appear once per utility, on its largest state's bundled page; how plans are counted.
Connecticut: state average, five-year steps and every provider