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

Niagara Mohawk Power Corp. electricity: 1,718,921 accounts in New York, SAIDI 141

Niagara Mohawk Power Corp. is an investor owned utility serving 1,718,921 customer accounts in New York; 1,532,294 of them are residential. Among the 3 National Grid utilities listed here it is cheapest for homes, -6.40 ¢ from their median.

Niagara Mohawk Power Corp.: 644 kWh a month costs roughly $107 in energy at 16.67 ¢/kWh, -31.8% on the New York average of 24.43 ¢.

Among the 3 National Grid utilities listed here it is cheapest for homes, -6.40 ¢ from their median.

Niagara Mohawk Power Corp. against its group: National Grid

Home price place, National Grid group
1 of 3-6.40 ¢ from the median of 23.07 ¢

Take the 3 National Grid utilities listed here, sorted by home price: Niagara Mohawk Power Corp. is the cheapest at 16.67 ¢, while the group median is 23.07 ¢. The most expensive is The Narragansett Electric Co (RI) at 25.08 ¢, 8.41 ¢ above; the spread from top to bottom is 8.41 ¢.

On outage minutes it ranks 3 of 3 (1 = fewest), 141 against a group median of 91. It is the largest of them, 1,718,921 accounts, 1.3 times Massachusetts Electric Co.

How it compares

Niagara Mohawk Power Corp.
Niagara Mohawk Power Corp., 2024HomeBusinessBillSAIDI
Niagara Mohawk Power Corp.Lowest in this table16.67 ¢/kWh6.30 ¢/kWh$107at 644 kWh141 minSAIDI
New York average against this company, which is 1 of 7 on price+7.76 ¢/kWhcompany 31.8% below+12.47 ¢/kWhcompany 66.4% below+$50a month at 644 kWh-60 mincompany 60 above
Central Hudson Gas & Elec Corp23.85 ¢/kWhcompany 30.1% below11.91 ¢/kWhcompany 47.1% below$15346 more than company167 mincompany 27 below

Compare 13 New York companies

Niagara Mohawk Power Corp.: 2025

Niagara Mohawk Power Corp.: +15.6% on 2024 for homes, New York +8.0%.

Niagara Mohawk Power Corp. home price, 2025
19.27 ¢/kWh+15.6% on 2024, early release
Niagara Mohawk Power Corp. SAIDI, 2025
140 min-0% on 2024, early release
Niagara Mohawk Power Corp. against New York, 2025
+7.5 pointsNiagara Mohawk Power Corp. +15.6%, New York +8.0%, price in New York 26.39 ¢

Niagara Mohawk Power Corp. reported 19.27 ¢/kWh for homes in 2025, +15.6% on its 2024 figure of 16.67, while the New York average moved +8.0%. Its SAIDI is 140 minutes against 141 in 2024.

Carbon context

Niagara Mohawk Power Corp. serves 1,532,294 homes in New York. At 644 kWh a month that is about 136 kg of CO₂, or 1,630 kg a year, at the New York plant rate, state generation and not this utility: New York generation mix.

Niagara Mohawk Power Corp. charts

Residential price since 2015: 16.67 ¢ in 2024

11.97 ¢ in 2015, 16.67 ¢ in 2024 (+39.2%); New York 18.54 to 24.43 ¢.

Niagara Mohawk Power Corp. residential price 2015-2024, 2015 to 2024: 10 rows
YearNiagara Mohawk Power Corp.Gap to New York residentialGap to U.S. residential
201511.97-6.57-0.68
201611.13-6.45-1.42
201711.66-6.37-1.23
201811.64-6.88-1.23
201911.73-6.21-1.28
202011.98-6.38-1.17
202114.04-5.44+0.38
202217.48-4.60+2.44
202316.32-5.92+0.32
202416.67-7.76+0.19

10 rows from EIA retail sales.

CSV

Niagara Mohawk Power Corp. SAIDI, 2015-2024

124 min in 2015, 141 in 2024.

Niagara Mohawk Power Corp. SAIDI by year, 2015 to 2024: 10 rows
YearNiagara Mohawk Power C, no major events
2015124
2016130
2017134
2018147
2019136
2020145
2021134
2022153
2023132
2024141

10 rows from EIA-861 survey.

CSV

Reliability: SAIDI 140.7 min

140.7 min, 1.41x the median reporter, rank 434 of 673.

min

  • Company, no major events140.7
  • Company, with major events510.1

Niagara Mohawk Power Corp., Reliability: EIA-861 survey.

CSV

Analyst note

Niagara Mohawk Power Corp. billed homes 11.97 ¢/kWh in 2015 and 16.67 ¢ in 2024, +39.2% in all, and outpaced the New York average (+31.8%) by 7.4 points. Niagara Mohawk Power Corp.'s sharpest move came in 2022, +24.5%. The high is 17.48 ¢ (2022) and the low 11.13 ¢ (2016). 2024: +2.2% here, +9.8% for the New York average. SAIDI at Niagara Mohawk Power Corp. (major events excluded) went from 124 minutes in 2015 to 141 in 2024, +13%, between 124 (2015) and 153 (2022). At 141 minutes in 2024, Niagara Mohawk Power Corp. sat +41 from the national SAIDI median, with 0 of 10 years below it. 2024: 510 minutes with major events, 141 without, the widest gap of any year. Niagara Mohawk Power Corp. has 0 cheaper and 6 higher-priced New York peers among 7 with 20,000+ homes. Next higher-priced, New York State Elec & Gas Corp, bills 17.75 ¢ (+1.08).

Cheaper by 31.8% than New York, slower to restore: 141 minutes is 1.4 times the national median.

Home accounts at Niagara Mohawk Power Corp. went from 1,475,808 in 2015 to 1,532,294 in 2024, +3.8%. Business customers paid 0.38 times the home price in 2024 (6.30 against 16.67 ¢); the ratio was 0.45 in 2015. SAIFI went from 1.02 in 2015 to 1.05 in 2024, between 0.98 and 1.18.

Facts

Customer accounts
1,718,92120.0% of New York total
Residential accounts
1,532,29420.7% of New York homes
Commercial accounts
185,07210.8% of the base
Residential rate
16.67 ¢/kWhplace 1 of 7, -31.8% against the state
Commercial rate
6.30 ¢/kWhplace 2 of 12, -66.4% against the state
SAIDI, no major events
140.7 minbetter than 36% of reporters
SAIFI, no major events
1.051.04x the median
SAIDI with major events
510.1 min72.4% from event days
Net-metered capacity
1,770.2 MW28,459 installations
Counties served
37all in New York
Average residential use
7,723 kWh/yr644 a month
Implied monthly bill
$107+$1 on the U.S. rate, 644 kWh
Residential rate since 2015
+39.2%11.97 to 16.67 ¢/kWh
SAIDI trend
+13%124 min in 2015, 141 in 2024

Data tables

2024 by sector, Niagara Mohawk Power Corp.

Niagara Mohawk Power Corp. sectorAccountsRate ¢/kWhGap to New York ¢/kWh
Residential1,532,29416.67-7.76
Commercial185,0726.30-12.47

Year by year, Niagara Mohawk Power Corp.

YearHome accounts, Niagara Mohawk Power CHome ¢Business ¢RatioSAIDISAIFI
20151,475,80811.975.430.451241.02
20161,484,86711.135.220.471301.04
20171,493,69711.665.410.461341.03
20181,501,42111.645.250.451471.06
20191,507,70711.735.260.451361.05
20201,514,64711.985.550.461451.09
20211,523,24114.046.450.461341.12
20221,524,62417.487.300.421531.18
20231,526,73016.326.400.391320.98
20241,532,29416.676.300.381411.05

Peers of Niagara Mohawk Power Corp. in New York, place 1 of 7 on home price

Utility near Niagara Mohawk Power Corp. on priceSAIDI min, gap to Niagara Mohawk Power Corp.Home ¢, gap to Niagara Mohawk Power Corp.Gap % to Niagara Mohawk Power Corp.Accounts, Niagara Mohawk Power Corp. = 1
1. Niagara Mohawk Power Corp. (this utility)14116.67-1.00
2. New York State Elec & Gas CorpNo data+1.08+6.5%0.54
3. Rochester Gas & Electric CorpNo data+1.09+6.5%0.23
4. Orange & Rockland Utils IncNo data+4.75+28.5%0.14

Who buys Niagara Mohawk Power Corp.'s electricity

Class at Niagara Mohawk Power Corp.AccountsOf Niagara Mohawk Power Corp. accountsOf Niagara Mohawk Power Corp. MWh soldkWh a year per Niagara Mohawk Power Corp. account
Residential1,532,29489.1%36.2%7,723
Commercial185,07210.8%38.4%67,954
Industrial and other1,5540.09%25.4%5,346,127

Niagara Mohawk Power Corp. among National Grid group

Niagara Mohawk Power Corp. and its neighbours on priceSAIDI min, gap to Niagara Mohawk Power Corp.Home ¢, gap to Niagara Mohawk Power Corp.Accounts, Niagara Mohawk Power Corp. = 1
1. Niagara Mohawk Power Corp. (NY, this utility)14116.671.00
2. Massachusetts Electric Co (MA)-50+6.400.80
3. The Narragansett Electric Co (RI)-80+8.410.30

Niagara Mohawk Power Corp.: meters, rate options and solar

MeasureNiagara Mohawk Power Corp.New York contextNiagara Mohawk Power Corp. detail
Niagara Mohawk Power Corp. home meters on AMI35.2%New York 74.1%551,030 of 1,564,677 meters
Home meters, AMR (drive-by read)1,013,216New York figure not published64.8% of meters
Time-of-use rate for Niagara Mohawk Power Corp. homesNot on file3 of 17 New York utilities offer oneno dynamic-pricing count filed by Niagara Mohawk Power Corp.
Net-metered installations28,45990% residential16.7 homes per 1,000 accounts, 62.2 kW average

Monthly energy cost by use, Niagara Mohawk Power Corp.

kWhShare of a 644 kWh monthCost a month at 16.67 ¢vs U.S.Cost a year
25039%$41.67+$0.47$500
50078%$83.35+$0.95$1,000
750117%$125.02+$1.42$1,500
1,000155%$166.69+$1.89$2,000
1,500233%$250.04+$2.84$3,000
2,000311%$333.39+$3.79$4,001

Outage record, Niagara Mohawk Power Corp.

Measure, Niagara Mohawk PowerNo eventsAll eventsConverted
SAIDI minutes140.7510.12.34 h
SAIFI interruptions1.0531.6940.95 yr apart
CAIDI minutes133.6301.12.23 h

Territory of Niagara Mohawk Power Corp.

37 New York counties, region NPCC:

Counties served by Niagara Mohawk Power Corp.CortlandSchenectadyGeneseeChenangoWyomingLivingstonWashingtonOswegoOntarioLewisChautauquaCattaraugusMonroeAlbanyAlleganyMontgomeryEssexCayugaColumbiaHerkimerOtsegoRensselaerWarrenSaratogaSt. LawrenceMadisonSchoharieOneidaFranklinJeffersonOrleansFultonClintonHamiltonOnondagaErieNiagara

New York other states: 37 of 37 counties of Niagara Mohawk Power Corp. drawn

Niagara Mohawk Power Corp.: 37 counties listed by EIA-861, Census 2023 outlines.

CSV
County list
  • Albany
  • Allegany
  • Cattaraugus
  • Cayuga
  • Chautauqua
  • Chenango
  • Clinton
  • Columbia
  • Cortland
  • Erie
  • Essex
  • Franklin
  • Fulton
  • Genesee
  • Hamilton
  • Herkimer
  • Jefferson
  • Lewis
  • Livingston
  • Madison
  • Monroe
  • Montgomery
  • Niagara
  • Oneida
  • Onondaga
  • Ontario
  • Orleans
  • Oswego
  • Otsego
  • Rensselaer
  • Saratoga
  • Schenectady
  • Schoharie
  • St Lawrence
  • Warren
  • Washington
  • Wyoming

Questions on Niagara Mohawk Power Corp.

How big is Niagara Mohawk Power Corp. in New York, by customer accounts?

1,718,921 accounts in 2024: residential 1,532,294, commercial 185,072, industrial 1,554.

How many cents per kWh does Niagara Mohawk Power Corp. charge homes?

In 2024 homes paid 16.67 cents; against the New York average that is -31.8%.

What are the SAIDI and SAIFI of Niagara Mohawk Power Corp.?

SAIDI 140.7 min and SAIFI 1.05 a year, major events excluded; ratio to the national median 1.41, CAIDI 134 min.

How many net-metered systems connect to Niagara Mohawk Power Corp.?

28,459 installations with 1,770.2 MW, of which residential installations number 25,634.

What would a typical Niagara Mohawk Power Corp. home pay each month?

644 kWh at 16.67 cents comes to about $107, energy only.

Is Niagara Mohawk Power Corp. cheaper than other New York utilities?

Rank 1 of 7 in New York on price, -31.8% against the state average; 0 charge less than 16.67 ¢.

What share of Niagara Mohawk Power Corp. sales do homes buy?

Homes take 36.2% of 32,718,093 MWh, commercial accounts 38.4%, industrial and other 25.4%; the 185,072 commercial accounts use 67,954 kWh each, 8.8 times a home.

At Niagara Mohawk Power Corp., are smart meters in homes, with a TOU option?

551,030 of 1,564,677 home meters are AMI, 35.2%. Niagara Mohawk Power Corp. reports no home time-of-use rate; 3 of 17 New York filers do.

Has Niagara Mohawk Power Corp. moved up the New York price list since 2015?

3rd cheapest of 7 in 2015, 1st of 7 in 2024; its price rose 39.2% while New York rose 31.8%.

How does Niagara Mohawk Power Corp. compare with 2 similar utilities?

Place 1 of 3 on home price at 16.67 ¢ (National Grid group); median 23.07 ¢, cheapest member 16.67 ¢.

What did Niagara Mohawk Power Corp. charge homes in 2025?

19.27 cents per kWh, +15.6% on the 16.67 of 2024 (EIA early release for 2025).

Utilities with a similar home price

Home prices nearest to Niagara Mohawk Power Corp. at 16.67 ¢/kWh in 2024, among companies with a page here, any state.

More on Niagara Mohawk Power Corp.

Rate plans on file

32 home plan records, energy charges: 4.8 to 19.3 ¢/kWh.

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

Primary sources for Niagara Mohawk Power Corp. electricity: 1,718,921 accounts in New York, SAIDI 141

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Niagara Mohawk Power Corp.: 644 kWh a month costs roughly $107 in energy at 16.67 ¢/kWh, -31.8% on the New York average of 24.43 ¢.