Public Service Co of NH in New Hampshire: 18.74 ¢ home rates, SAIDI and solar

In New Hampshire, Public Service Co of NH bills 542,058 accounts, 84.8% residential, as an investor owned utility. Major event days make 90% of its yearly outage minutes (786 with them, 82 without).

At 618 kWh a month a Public Service Co of NH home pays about $116 in energy: 18.74 ¢/kWh, 19.9% below the New Hampshire average of 23.40 ¢.

Major event days make 90% of its yearly outage minutes (786 with them, 82 without).

Public Service Co of NH: major event days

Share of SAIDI from major events: 90%786 minutes with events, 82 without

Major events weigh on Public Service Co of NH: 786 minutes with them, 82 without, so 90% of the total comes from event days, 9.65 times the everyday figure.

SAIFI adds the frequency view: 0.74 interruptions a customer a year, 0.73 times the national median (1.01), with 110 minutes per interruption.

How it compares

Public Service Co of NH
Public Service Co of NH, 2024	Home	Business	Bill	SAIDI
Public Service Co of NH	18.74 ¢/kWh	11.35 ¢/kWh	$116at 618 kWh	82 minSAIDI
New Hampshire average against this company, which is 2 of 4 on price	+4.66 ¢/kWhcompany 19.9% below	+8.05 ¢/kWhcompany 41.5% below	+$29a month at 618 kWh	+11 mincompany 11 below
Unitil Energy SystemsLowest in this table	18.51 ¢/kWhcompany 1.3% above	14.07 ¢/kWhcompany 19.3% below	$1141 less than company	98 mincompany 16 below

Compare 4 New Hampshire companies

Public Service Co of NH: 2025

No 2025 early-release row for Public Service Co of NH; 2024 stays the latest year.

Public Service Co of NH 2024 against New Hampshire 2025: -5.82 ¢18.74 ¢ for Public Service Co of NH in 2024, 24.56 ¢ for New Hampshire in 2025

No 2025 line exists yet for Public Service Co of NH, so 18.74 ¢/kWh and a SAIDI of 82 minutes (2024, 459,907 homes) are the latest figures.

Carbon context

Public Service Co of NH serves 459,907 homes in New Hampshire. At 618 kWh a month that is about 77 kg of CO₂, or 918 kg a year, at the New Hampshire plant rate, state generation and not this utility: New Hampshire generation mix.

Public Service Co of NH charts

Residential price since 2015: 18.74 ¢ in 2024

15.87 ¢ in 2015, 18.74 ¢ in 2024 (+18.2%); New Hampshire 18.50 to 23.40 ¢.

Public Service Co of NH residential price 2015-2024, 2015 to 2024: 10 rows

Year	Public Service Co of NH	Gap to New Hampshire residential	Gap to U.S. residential
2015	15.87	-2.63	+3.22
2016	16.57	-1.81	+4.02
2017	17.15	-2.05	+4.26
2018	17.12	-2.57	+4.25
2019	17.79	-2.26	+4.78
2020	17.02	-2.02	+3.87
2021	18.22	-1.63	+4.56
2022	23.54	-1.92	+8.50
2023	23.39	-4.76	+7.39
2024	18.75	-4.65	+2.27

10 rows from EIA retail sales.

CSV

Public Service Co of NH SAIDI, 2015-2024

106 min in 2015, 82 in 2024.

Public Service Co of NH SAIDI by year, 2015 to 2024: 10 rows

Year	Public Service Co of N, no major events
2015	106
2016	140
2017	119
2018	120
2019	83
2020	96
2021	97
2022	79
2023	84
2024	82

10 rows from EIA-861 survey.

CSV

Reliability: SAIDI 81.5 min

81.5 min, 0.82x the median reporter, rank 270 of 673.

min

Company, no major events81.5
Company, with major events786.2

Public Service Co of NH, Reliability: EIA-861 survey.

CSV

Analyst note

Public Service Co of NH billed homes 15.87 ¢/kWh in 2015 and 18.75 ¢ in 2024, +18.2% in all, and lagged the New Hampshire average (+26.5%) by 8.3 points. Full-service customers alone pay 22.65 ¢ per EIA, against 18.75 ¢ for all rows: buyers of energy elsewhere pay Public Service Co of NH for delivery only. Public Service Co of NH's sharpest move came in 2022, +29.2%. The high is 23.54 ¢ (2022) and the low 15.87 ¢ (2015). 2024: -19.9% here, -16.9% for the New Hampshire average. SAIDI at Public Service Co of NH (major events excluded) fell from 106 minutes in 2015 to 82 in 2024, -23%; best year 2022 at 79. At 82 minutes in 2024, Public Service Co of NH sat -18 from the national SAIDI median, with 5 of 10 years below it. 2017: 966 minutes with major events, 119 without, the widest gap of any year.

A 19.9% discount to New Hampshire comes with ordinary reliability, 82 minutes or 0.82x the national median.

Home accounts at Public Service Co of NH went from 427,317 in 2015 to 459,907 in 2024, +7.6%. Business customers paid 0.61 times the home price in 2024 (11.35 against 18.75 ¢); the ratio was 0.59 in 2015. SAIFI went from 1.05 in 2015 to 0.74 in 2024, between 0.68 and 1.39.

Outages and home price of Public Service Co of NH (EIA utility 15472), 2013 to 2024

Yearly SAIDI at Public Service Co of NH: 137 minutes in 2013, 82 in 2024, a drop of 41%. Its best year was 2022 (79 min), its worst 2016 (140 min), across 12 filed years. Against a New Hampshire median of 93 minutes in 2024, Public Service Co of NH was below the middle.

Corrected for inflation, a Public Service Co of NH home paid 19.24 ¢/kWh in 2024 against 20.84 ¢ in 2013, −7.7%; the bill itself went 15.08 ¢ to 18.75 ¢ (+24.3%). A home using 1,000 kWh a month paid $2,501 for the year at the 2013 real price and $2,309 at the 2024 price. Place on home price: 4th cheapest of 6 in 2013, 4th of 7 in 2024 among New Hampshire utilities with 1,000+ homes.

Public Service Co of NH outage minutes a customer, 2013 to 2024: 82 in 2024

Public Service Co of NH at 82 min in 2024 and the New Hampshire median at 93.

Public Service Co of NH home price since 2013: −7.7% after inflation

Public Service Co of NH: 19.24 ¢ in 2025 dollars (solid) and 18.75 ¢ as billed (dashed) in 2024.

Public Service Co of NH, EIA utility 15472, year by year among New Hampshire utilities

Public Service Co of NH 2013-2024: 12 rows

Year, Public Service Co	¢ billed	¢ in 2025 $	Price place, Public Service	SAIDI min	SAIFI	SAIDI place, Public Service	New Hampshire median SAIDI
2013	15.08	20.84	4 of 6	137	1.00	–	–
2014	15.09	20.52	3 of 6	123	1.25	–	184
2015	15.87	21.55	3 of 6	106	1.05	–	106
2016	16.57	22.23	5 of 6	140	1.39	–	139
2017	17.15	22.53	6 of 7	119	1.11	–	119
2018	17.12	21.95	5 of 7	120	1.07	–	120
2019	17.79	22.40	7 of 8	83	0.74	–	83
2020	17.02	21.17	4 of 6	96	0.81	–	101
2021	18.22	21.65	5 of 6	97	0.83	–	103
2022	23.54	25.89	4 of 6	79	0.68	–	79
2023	23.39	24.72	3 of 7	84	0.74	–	91
2024	18.75	19.24	4 of 7	82	0.74	–	93

Public Service Co of NH, EIA utility 15472: EIA-861, CPI-U.

CSV

SAIDI explained, New Hampshire real prices.

Facts

Customer accounts: 542,05870.6% of New Hampshire total
Residential accounts: 459,90770.5% of New Hampshire homes
Commercial accounts: 79,46714.7% of the base
Residential rate: 18.74 ¢/kWhplace 2 of 4, -19.9% against the state
Commercial rate: 11.35 ¢/kWhplace 2 of 4, -41.5% against the state
SAIDI, no major events: 81.5 minbetter than 60% of reporters
SAIFI, no major events: 0.740.73x the median
SAIDI with major events: 786.2 min89.6% from event days
Net-metered capacity: 233.0 MW17,547 installations
Counties served: 10all in New Hampshire
Average residential use: 7,416 kWh/yr618 a month
Implied monthly bill: $116+$14 on the U.S. rate, 618 kWh
Residential rate since 2015: +18.2%15.87 to 18.75 ¢/kWh
SAIDI trend: -23%106 min in 2015, 82 in 2024

Data tables

2024 by sector, Public Service Co of NH

Public Service Co of NH sector	Accounts	Rate ¢/kWh	Gap to New Hampshire ¢/kWh
Residential	459,907	18.74	-4.66
Commercial	79,467	11.35	-8.05

Year by year, Public Service Co of NH

Year	Home accounts, Public Service Co of N	Home ¢	Business ¢	Ratio	SAIDI	SAIFI
2015	427,317	15.87	9.35	0.59	106	1.05
2016	430,657	16.57	8.84	0.53	140	1.39
2017	435,447	17.15	9.06	0.53	119	1.11
2018	439,078	17.12	9.57	0.56	120	1.07
2019	442,096	17.79	9.87	0.55	83	0.74
2020	446,612	17.02	9.98	0.59	96	0.81
2021	450,013	18.22	10.91	0.60	97	0.83
2022	453,179	23.54	12.57	0.53	79	0.68
2023	455,912	23.39	12.42	0.53	84	0.74
2024	459,907	18.75	11.35	0.61	82	0.74

Peers of Public Service Co of NH in New Hampshire, place 2 of 4 on home price

Utility near Public Service Co of NH on price	SAIDI min, gap to Public Service Co of NH	Home ¢, gap to Public Service Co of NH	Gap % to Public Service Co of NH	Accounts, Public Service Co of NH = 1
1. Unitil Energy Systems	+16	-0.24	-1.3%	0.15
2. Public Service Co of NH (this utility)	82	18.74	-	1.00
3. Liberty Utilities (Granite State Electri	+11	+0.34	+1.8%	0.09
4. New Hampshire Elec Coop Inc	No data	+4.87	+26.0%	0.16

Who buys Public Service Co of NH's electricity

Class at Public Service Co of NH	Accounts	Of Public Service Co of NH accounts	Of Public Service Co of NH MWh sold	kWh a year per Public Service Co of NH account
Residential	459,907	84.8%	43.7%	7,416
Commercial	79,467	14.7%	38.8%	38,087
Industrial and other	2,684	0.50%	17.5%	510,446

Public Service Co of NH among Eversource group

Public Service Co of NH and its neighbours on price	SAIDI min, gap to Public Service Co of NH	Home ¢, gap to Public Service Co of NH	Accounts, Public Service Co of NH = 1
1. Public Service Co of NH (NH, this utility)	82	18.74	1.00
2. NSTAR Electric Company (MA)	-15	+1.18	2.82
3. Connecticut Light & Power Co (CT)	-5	+6.56	2.38

Public Service Co of NH: meters, rate options and solar

Measure	Public Service Co of NH	New Hampshire context	Public Service Co of NH detail
Time-of-use rate for Public Service Co of NH homes	Offered	4 of 8 New Hampshire utilities offer one	85 homes on dynamic pricing, 0.02% of 459,907
Net-metered installations	17,547	95% residential	36.1 homes per 1,000 accounts, 13.3 kW average

Monthly energy cost by use, Public Service Co of NH

kWh	Share of a 618 kWh month	Cost a month at 18.74 ¢	vs U.S.	Cost a year
250	40%	$46.86	+$5.66	$562
500	81%	$93.72	+$11.32	$1,125
750	121%	$140.59	+$16.99	$1,687
1,000	162%	$187.45	+$22.65	$2,249
1,500	243%	$281.17	+$33.97	$3,374
2,000	324%	$374.90	+$45.30	$4,499

Outage record, Public Service Co of NH

Measure, Public Service Co of	No events	All events	Converted
SAIDI minutes	81.5	786.2	1.36 h
SAIFI interruptions	0.739	1.604	1.35 yr apart
CAIDI minutes	110.3	490.1	1.84 h

Territory of Public Service Co of NH

10 New Hampshire counties, region NPCC:

New Hampshire other states: 10 of 10 counties of Public Service Co of NH drawn

Public Service Co of NH: 10 counties listed by EIA-861, Census 2023 outlines.

CSV

County list

Belknap
Carroll
Cheshire
Coos
Grafton
Hillsborough
Merrimack
Rockingham
Strafford
Sullivan

Questions on Public Service Co of NH

How big is Public Service Co of NH in New Hampshire, by customer accounts?

542,058 accounts in 2024: residential 459,907, commercial 79,467, industrial 2,684.

How many cents per kWh does Public Service Co of NH charge homes?

In 2024 homes paid 18.74 cents; against the New Hampshire average that is -19.9%.

What are the SAIDI and SAIFI of Public Service Co of NH?

SAIDI 81.5 min and SAIFI 0.74 a year, major events excluded; ratio to the national median 0.82, CAIDI 110 min.

How many net-metered systems connect to Public Service Co of NH?

17,547 installations with 233.0 MW, of which residential installations number 16,612.

What would a typical Public Service Co of NH home pay each month?

618 kWh at 18.74 cents comes to about $116, energy only.

Is Public Service Co of NH cheaper than other New Hampshire utilities?

Rank 2 of 4 in New Hampshire on price, -19.9% against the state average; 1 charge less than 18.74 ¢.

How much of the Public Service Co of NH load is business?

Homes take 43.7% of 7,807,256 MWh, commercial accounts 38.8%, industrial and other 17.5%; the 79,467 commercial accounts use 38,087 kWh each, 5.1 times a home.

Does Public Service Co of NH have smart meters or TOU rates?

Public Service Co of NH offers a home time-of-use rate; 85 customers use dynamic pricing, 0.02% of its homes.

Since 2015, has Public Service Co of NH become cheaper than other New Hampshire utilities?

1st cheapest of 4 in 2015, 2nd of 4 in 2024; its price rose 18.2% while New Hampshire rose 26.5%.

Where does Public Service Co of NH stand among 2 peers?

Place 1 of 3 on home price at 18.74 ¢ (Eversource group); median 19.92 ¢, cheapest member 18.74 ¢.

Has Public Service Co of NH filed 2025 data with EIA?

Its latest filing year is 2024, with 82 SAIDI minutes and 18.74 cents for homes.

Utilities with a similar home price

Home prices nearest to Public Service Co of NH at 18.74 ¢/kWh in 2024, among companies with a page here, any state.

Potomac Electric Power CoMaryland, 18.74 ¢/kWh, 0.00 ¢ below
Ambit Energy Holdings, LLCTexas, 18.77 ¢/kWh, 0.03 ¢ above
TXU Energy Retail Co, LLCTexas, 18.70 ¢/kWh, 0.04 ¢ below
City of RosevilleCalifornia, 18.66 ¢/kWh, 0.08 ¢ below

Rate plans on file

9 home plan records, energy charges: 5.4 to 34.1 ¢/kWh.

Time-of-use: 4, e.g. Residential Time-of-Day

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

Primary sources for Public Service Co of NH in New Hampshire: 18.74 ¢ home rates, SAIDI and solar

EIA-861 annual report entry for Public Service Co of NH in New Hampshire: 18.74 ¢ home rates, SAIDI and solar, customers and sales
EIA-861 form instructions for Public Service Co of NH in New Hampshire: 18.74 ¢ home rates, SAIDI and solar, how a customer is counted
EIA state profiles for Public Service Co of NH in New Hampshire: 18.74 ¢ home rates, SAIDI and solar, the state price average