Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EIA retail sales · How we got these numbers · Report an error

Connecticut Light & Power Co: rates, outages and net metering

In Connecticut, Connecticut Light & Power Co bills 1,290,878 accounts, 91.0% residential, as an investor owned utility. Businesses and industry take 51% of the 20,151,389 MWh it sells; homes take 49%.

Millstone nuclear power plant on Long Island Sound in Waterford, Connecticut
Millstone Nuclear Power Plant. Photo by pedrik, CC BY 2.0, Wikimedia Commons. Illustrative, not a listed utility's plant.

At 699 kWh a month a Connecticut Light & Power Co home pays about $177 in energy: 25.31 ¢/kWh, 12.0% below the Connecticut average of 28.75 ¢.

Businesses and industry take 51% of the 20,151,389 MWh it sells; homes take 49%.

Who buys power from Connecticut Light & Power Co

Business share of sales
51%homes 49% of 20,151,389 MWh

The customer mix of Connecticut Light & Power Co is its own: 1,174,420 home accounts buy 48.9% of 20,151,389 MWh, 113,631 commercial accounts buy 42.0%, and the remaining 9.1% goes to 2,825 industrial and other accounts. A typical Connecticut Light & Power Co home uses 8,390 kWh a year, a typical business account 74,449.

How it compares

Connecticut Light & Power Co
Connecticut Light & Power Co, 2024HomeBusinessBillSAIDI
Connecticut Light & Power CoLowest in this table25.31 ¢/kWh13.62 ¢/kWh$177at 699 kWh77 minSAIDI
Connecticut average against this company, which is 2 of 3 on price+3.44 ¢/kWhcompany 12.0% below+7.59 ¢/kWhcompany 35.8% below+$24a month at 699 kWh+0 mincompany 0 below
United Illuminating Co31.06 ¢/kWhcompany 18.5% below14.70 ¢/kWhcompany 7.4% below$217$40 more than company49 mincompany 28 above

Compare 6 Connecticut companies

Connecticut Light & Power Co: 2025

No 2025 early-release row for Connecticut Light & Power Co; 2024 stays the latest year.

Connecticut Light & Power Co 2024 against Connecticut 2025
-4.00 ¢25.31 ¢ for Connecticut Light & Power Co in 2024, 29.31 ¢ for Connecticut in 2025

Connecticut Light & Power Co has no 2025 early-release row; for its 1,174,420 home accounts the latest year is 2024, at 25.31 ¢/kWh and 77 SAIDI minutes.

Carbon context

Connecticut Light & Power Co serves 1,174,420 homes in Connecticut. At 699 kWh a month that is about 171 kg of CO₂, or 2,049 kg a year, at the Connecticut plant rate, state generation and not this utility: Connecticut generation mix.

Connecticut Light & Power Co charts

Residential price since 2015: 25.31 ¢ in 2024

16.26 ¢ in 2015, 25.31 ¢ in 2024 (+55.6%); Connecticut 20.94 to 28.75 ¢.

Connecticut Light & Power Co residential price 2015-2024, 2015 to 2024: 10 rows
YearConnecticut Light & Power CoGap to Connecticut residentialGap to U.S. residential
201516.26-4.68+3.61
201616.57-3.44+4.02
201717.11-3.18+4.22
201817.96-3.24+5.09
201918.93-2.94+5.92
202020.00-2.71+6.85
202119.91-2.00+6.25
202224.07-0.54+9.03
202327.14-2.74+11.14
202425.31-3.44+8.83

10 rows from EIA retail sales.

CSV

Connecticut Light & Power Co SAIDI, 2015-2024

79 min in 2015, 77 in 2024.

Connecticut Light & Power Co SAIDI by year, 2015 to 2024: 10 rows
YearConnecticut Light & Power Co, no major events
201579
2016104
201778
201881
201967
202070
202176
202273
202376
202477

10 rows from EIA-861 survey.

CSV

Reliability: SAIDI 76.9 min

76.9 min, 0.77x the median reporter, rank 260 of 673.

min

  • Company, no major events76.9
  • Company, with major events158.8

Connecticut Light & Power Co, Reliability: EIA-861 survey.

CSV

Analyst note

From 16.26 ¢ in 2015 to 25.31 ¢ in 2024, a move of +55.6%: Connecticut Light & Power Co outpaced its state (+37.3%) by 18.4 points, and +25.4 points against the U.S. Full-service customers alone pay 28.51 ¢ per EIA, against 25.31 ¢ for all rows: buyers of energy elsewhere pay Connecticut Light & Power Co for delivery only. Connecticut Light & Power Co's sharpest move came in 2022, +20.9%. The high is 27.14 ¢ (2023) and the low 16.26 ¢ (2015). 2024: -6.8% here, -3.8% for the Connecticut average. SAIDI at Connecticut Light & Power Co (major events excluded) went from 79 minutes in 2015 to 77 in 2024, -2%, between 67 (2019) and 104 (2016). Connecticut Light & Power Co filed SAIDI under the national median in 9 of 10 years; its 2024 figure was 77 minutes, -23 from that year's median. 2020: 3117 minutes with major events, 70 without, the widest gap of any year.

The data favor customers here: bills run 12.0% under the Connecticut norm, and 77 outage minutes sit 23% under the national median.

Home accounts at Connecticut Light & Power Co went from 1,117,897 in 2015 to 1,174,420 in 2024, +5.1%. Business customers paid 0.54 times the home price in 2024 (13.62 against 25.31 ¢); the ratio was 0.54 in 2015. SAIFI went from 0.70 in 2015 to 0.65 in 2024, between 0.65 and 0.91.

What kind of utility is Connecticut Light & Power Co?

Connecticut Light & Power Co files with EIA as an investor-owned utility. In Connecticut, investor-owned utilities serve 96% of residential customers at an average 29.5 cents per kWh. Connecticut Light & Power Co itself averaged 28.5 cents, 1.0 cents below its type in Connecticut.

Connecticut utilities by type · all states

Shutoffs for nonpayment, 2024

Shutoffs: this utility reported 28,405 disconnections for nonpayment in 2024, 2.4 per 100 accounts (Connecticut: 4.3; EIA Form EIA-112). All utilities.

Reliability and meters, 2024

In 2024 the average Connecticut Light & Power Co customer was without power 77 minutes without major events and 159 with them. That is 3rd fewest of 4 Connecticut utilities with 10,000+ customers. The median Connecticut utility reported 77 minutes.

EIA-861 2024, retrieved 2026-10-01. Connecticut reliability, best and worst utilities, utility report card.

Facts

Customer accounts
1,290,87875.3% of Connecticut total
Residential accounts
1,174,42075.6% of Connecticut homes
Commercial accounts
113,6318.8% of the base
Residential rate
25.31 ¢/kWh2nd place of 3, -12.0% against the state
Commercial rate
13.62 ¢/kWh2nd place of 5, -35.8% against the state
SAIDI, no major events
76.9 minbetter than 62% of reporters
SAIFI, no major events
0.650.64x the median
SAIDI with major events
158.8 min51.6% from event days
Net-metered capacity
1,005.4 MW82,491 installations
Counties served
8all in Connecticut
Average residential use
8,390 kWh/yr699 a month
Implied monthly bill
$177+$62 on the U.S. rate, 699 kWh
Residential rate since 2015
+55.6%16.26 to 25.31 ¢/kWh
SAIDI trend
-2%79 min in 2015, 77 in 2024

Data tables

2024 by sector, Connecticut Light & Power Co

Connecticut Light & Power Co sectorAccountsRate ¢/kWhGap to Connecticut ¢/kWh
Residential1,174,42025.31-3.44
Commercial113,63113.62-7.59

Year by year, Connecticut Light & Power Co

YearHome accounts, Connecticut Light & Power CoHome ¢Business ¢RatioSAIDISAIFI
20151,117,89716.268.850.54790.70
20161,125,41516.579.320.561040.91
20171,131,43517.119.720.57780.73
20181,136,89217.9610.140.56810.73
20191,141,72318.9310.210.54670.65
20201,149,57920.0010.700.54700.69
20211,155,69219.9110.390.52760.69
20221,160,50824.0712.530.52730.67
20231,165,56127.1412.880.47760.67
20241,174,42025.3113.620.54770.65

Peers of Connecticut Light & Power Co in Connecticut, 2nd place of 3 on home price

Utility near Connecticut Light & Power Co on priceSAIDI min, gap to Connecticut Light & Power CoHome ¢, gap to Connecticut Light & Power CoGap % to Connecticut Light & Power CoAccounts, Connecticut Light & Power Co = 1
1. Town of WallingfordNo data-9.66-38.2%0.02
2. Connecticut Light & Power Co (this utility)7725.31-1.00
3. United Illuminating Co-28+5.76+22.8%0.27

Who buys Connecticut Light & Power Co's electricity

Class at Connecticut Light & Power CoAccountsOf Connecticut Light & Power Co accountsOf Connecticut Light & Power Co MWh soldkWh a year per Connecticut Light & Power Co account
Residential1,174,42091.0%48.9%8,390
Commercial113,6318.8%42.0%74,449
Industrial and other2,8250.22%9.1%650,645

Connecticut Light & Power Co among Eversource group

Connecticut Light & Power Co and its neighbours on priceSAIDI min, gap to Connecticut Light & Power CoHome ¢, gap to Connecticut Light & Power CoAccounts, Connecticut Light & Power Co = 1
1. Public Service Co of NH (NH)+5-6.560.42
2. NSTAR Electric Company (MA)-11-5.391.18
3. Connecticut Light & Power Co (CT, this utility)7725.311.00

Connecticut Light & Power Co: meters, rate options and solar

MeasureConnecticut Light & Power CoConnecticut contextConnecticut Light & Power Co detail
Time-of-use rate for Connecticut Light & Power Co homesOffered2 of 6 Connecticut utilities offer one584 homes on dynamic pricing, 0.05% of 1,174,420
Net-metered installations82,49196% residential67.5 homes per 1,000 accounts, 12.2 kW average

Monthly energy cost by use, Connecticut Light & Power Co

kWhShare of a 699 kWh monthCost a month at 25.31 ¢vs U.S.Cost a year
25036%$63.27+$22.07$759
50072%$126.54+$44.14$1,518
750107%$189.80+$66.20$2,278
1,000143%$253.07+$88.27$3,037
1,500215%$379.61+$132.41$4,555
2,000286%$506.14+$176.54$6,074

Outage record, Connecticut Light & Power Co

Measure, Connecticut Light & Power CoNo eventsAll eventsConverted
SAIDI minutes76.9158.81.28 h
SAIFI interruptions0.6490.8911.54 yr apart
CAIDI minutes118.5178.21.97 h

Territory of Connecticut Light & Power Co

8 Connecticut counties, region NPCC:

County list
  • Fairfield
  • Hartford
  • Litchfield
  • Middlesex
  • New Haven
  • New London
  • Tolland
  • Windham

Questions on Connecticut Light & Power Co

How many customers does Connecticut Light & Power Co serve in Connecticut?

1,290,878 accounts in 2024: residential 1,174,420, commercial 113,631, industrial 2,825.

What is the average residential rate of Connecticut Light & Power Co?

In 2024 homes paid 25.31 cents; against the Connecticut average that is -12.0%.

How reliable is Connecticut Light & Power Co by SAIDI and SAIFI?

SAIDI 76.9 min and SAIFI 0.65 a year, major events excluded; ratio to the national median 0.77, CAIDI 118 min.

How much solar net metering is on the Connecticut Light & Power Co grid?

82,491 installations with 1,005.4 MW, of which residential installations number 79,306.

What is the monthly bill at Connecticut Light & Power Co for average use?

699 kWh at 25.31 cents comes to about $177, energy only.

How does Connecticut Light & Power Co rank on price within Connecticut?

Rank 2 of 3 in Connecticut on price, -12.0% against the state average; 1 charge less than 25.31 ¢.

How much of the Connecticut Light & Power Co load is business?

Homes take 48.9% of 20,151,389 MWh, commercial accounts 42.0%, industrial and other 9.1%; the 113,631 commercial accounts use 74,449 kWh each, 8.9 times a home.

Does Connecticut Light & Power Co have smart meters or TOU rates?

Connecticut Light & Power Co offers a home time-of-use rate; 584 customers use dynamic pricing, 0.05% of its homes.

Since 2015, has Connecticut Light & Power Co become cheaper than other Connecticut utilities?

2nd cheapest of 3 in 2015, 2nd of 3 in 2024; its price rose 55.6% while Connecticut rose 37.3%.

How does Connecticut Light & Power Co compare with 2 similar utilities?

Place 3 of 3 on home price at 25.31 ¢ (Eversource group); median 19.92 ¢, cheapest member 18.74 ¢.

Has Connecticut Light & Power Co filed 2025 data with EIA?

Not yet: 25.31 cents and 77 SAIDI minutes (2024) remain the newest Connecticut Light & Power Co record.

Utilities with a similar home price

Home prices nearest to Connecticut Light & Power Co at 25.31 ¢/kWh in 2024, among companies with a page here, any state.

More on Connecticut Light & Power Co

Rate plans on file

8 home plan records, energy charges: 10.3 to 39.8 ¢/kWh.

Who offers time-of-use and tiered rates (17 Apr 2026 snapshot).

Primary sources for Connecticut Light & Power Co: rates, outages and net metering

Share this page

At 699 kWh a month a Connecticut Light & Power Co home pays about $177 in energy: 25.31 ¢/kWh, 12.0% below the Connecticut average of 28.75 ¢.

Cite this page

Underlying data are U.S. government works (EIA, Census Bureau). Our tables and charts: CC BY 4.0, credit Electric Consumer. The access date fills in when you open this page.

APA

Electric Consumer. (2026). Connecticut Light & Power Co customer mix: 25.31 ¢/kWh in 2024, SAIDI 77 min. Data as of 26 October 2026. Retrieved 26 October 2026, from https://electricconsumer.org/companies/connecticut-light-power-co.html

MLA

Electric Consumer. “Connecticut Light & Power Co customer mix: 25.31 ¢/kWh in 2024, SAIDI 77 min.” Electric Consumer, data as of 26 October 2026, https://electricconsumer.org/companies/connecticut-light-power-co.html. Accessed 26 October 2026.

Chicago

Electric Consumer. “Connecticut Light & Power Co customer mix: 25.31 ¢/kWh in 2024, SAIDI 77 min.” Data as of 26 October 2026. Accessed 26 October 2026. https://electricconsumer.org/companies/connecticut-light-power-co.html.

BibTeX

@misc{usedata_companies_connecticut_light_power_co,
  author = "Electric Consumer",
  title = {Connecticut Light & Power Co customer mix: 25.31 ¢/kWh in 2024, SAIDI 77 min},
  year = {2026},
  url = {https://electricconsumer.org/companies/connecticut-light-power-co.html},
  note = {Data as of 26 October 2026. Accessed 26 October 2026}
}
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