Northern States Power Co electricity: 262,374 accounts in Wisconsin, SAIDI 122

In Wisconsin, Northern States Power Co bills 262,374 accounts, 84.1% residential, as an investor owned utility. It connects 2.9 net-metered homes per 1,000 home accounts, 0.3 times the national median.

Northern States Power Co: 691 kWh a month costs roughly $109 in energy at 15.83 ¢/kWh, -7.9% on the Wisconsin average of 17.18 ¢.

It connects 2.9 net-metered homes per 1,000 home accounts, 0.3 times the national median.

Rooftop solar on the Northern States Power Co grid

Net-metered homes per 1,000: 2.90.3x the national median of 8.7

Net metering stands out at Northern States Power Co: 649 residential installations on 220,574 home accounts, 2.9 per 1,000. That is place 7 of 7 Wisconsin utilities and 0.3 times the national median (8.7). All installations together total 15.0 MW, an average of 19.3 kW each.

How it compares

Northern States Power Co
Northern States Power Co, 2024	Home	Business	Bill	SAIDI
Northern States Power CoLowest in this table	15.83 ¢/kWh	11.63 ¢/kWh	$109at 691 kWh	122 minSAIDI
Wisconsin average against this company, which is 1 of 7 on price	+1.35 ¢/kWhcompany 7.9% below	+1.00 ¢/kWhcompany 7.9% below	+$9a month at 691 kWh	-82 mincompany 82 above
Polk-Burnett Electric Coop	15.90 ¢/kWhcompany 0.5% below	11.86 ¢/kWhcompany 2.0% below	$1101 more than company	50 mincompany 73 above

Compare 58 Wisconsin companies

Northern States Power Co: 2025

Northern States Power Co: -1.7% on 2024 for homes, Wisconsin +5.7%.

Northern States Power Co home price, 2025: 15.55 ¢/kWh-1.7% on 2024, early release
Northern States Power Co SAIDI, 2025: 110 min-10% on 2024, early release
Northern States Power Co against Wisconsin, 2025: -7.4 pointsNorthern States Power Co -1.7%, Wisconsin +5.7%, price in Wisconsin 18.16 ¢

Northern States Power Co: 15.55 ¢/kWh in the 2025 early release, -1.7% from 15.83 ¢; Wisconsin as a whole went +5.7%, so Northern States Power Co trailed it by 7.4 points. Its SAIDI is 110 minutes against 122 in 2024.

Carbon context

Northern States Power Co serves 220,574 homes in Wisconsin. At 691 kWh a month that is about 362 kg of CO₂, or 4,349 kg a year, at the Wisconsin plant rate, state generation and not this utility: Wisconsin generation mix.

Northern States Power Co charts

Residential price since 2015: 15.83 ¢ in 2024

13.14 ¢ in 2015, 15.83 ¢ in 2024 (+20.5%); Wisconsin 14.11 to 17.18 ¢.

Northern States Power Co residential price 2015-2024, 2015 to 2024: 10 rows

Year	Northern States Power Co	Gap to Wisconsin residential	Gap to U.S. residential
2015	13.14	-0.97	+0.49
2016	13.33	-0.74	+0.78
2017	13.75	-0.60	+0.86
2018	13.73	-0.29	+0.86
2019	13.37	-0.81	+0.36
2020	13.34	-0.98	+0.19
2021	13.81	-0.71	+0.15
2022	15.09	-0.53	+0.05
2023	16.03	-0.85	+0.03
2024	15.83	-1.35	-0.65

10 rows from EIA retail sales.

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Northern States Power Co SAIDI, 2015-2024

81 min in 2015, 122 in 2024.

Northern States Power Co SAIDI by year, 2015 to 2024: 10 rows

Year	Northern States Power , no major events
2015	81
2016	97
2017	94
2018	90
2019	113
2020	97
2021	83
2022	113
2023	83
2024	122

10 rows from EIA-861 survey.

CSV

Reliability: SAIDI 122.4 min

122.4 min, 1.23x the median reporter, rank 401 of 673.

min

Company, no major events122.4
Company, with major events208.6

Northern States Power Co, Reliability: EIA-861 survey.

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Analyst note

Northern States Power Co billed homes 13.14 ¢/kWh in 2015 and 15.83 ¢ in 2024, +20.5% in all, and tracked the Wisconsin average (+21.8%) within 1.3 points. Northern States Power Co's sharpest move came in 2022, +9.2%. The high is 16.03 ¢ (2023) and the low 13.14 ¢ (2015). 2024: -1.2% here, +1.8% for the Wisconsin average. SAIDI at Northern States Power Co (major events excluded) rose from 81 minutes in 2015 to 122 in 2024, +51%; worst year 2024 at 122. Against the national median, Northern States Power Co came in lower on SAIDI in 7 of 10 years, and 2024 ended at 122 minutes, +23 from the median. 2022: 414 minutes with major events, 113 without, the widest gap of any year. Northern States Power Co has 0 cheaper and 6 higher-priced Wisconsin peers among 7 with 20,000+ homes. Next higher-priced, Polk-Burnett Electric Coop, bills 15.90 ¢ (+0.07).

Price is the selling point in this record: 7.9% under the Wisconsin average, with 122 outage minutes close to the national median (1.23x).

Home accounts at Northern States Power Co went from 206,991 in 2015 to 220,574 in 2024, +6.6%. Business customers paid 0.73 times the home price in 2024 (11.63 against 15.83 ¢); the ratio was 0.76 in 2015. SAIFI went from 0.65 in 2015 to 0.89 in 2024, between 0.62 and 0.89.

Outages and home price of Northern States Power Co (EIA utility 13780), 2013 to 2024

Yearly SAIDI at Northern States Power Co: 88 minutes in 2013, 122 in 2024, a rise of 39%. Its best year was 2015 (81 min), its worst 2024 (122 min), across 12 filed years. Against a Wisconsin median of 38 minutes in 2024, Northern States Power Co was above the middle.

Corrected for inflation, a Northern States Power Co home paid 16.25 ¢/kWh in 2024 against 17.22 ¢ in 2013, −5.7%; the bill itself went 12.46 ¢ to 15.83 ¢ (+27.0%). A home using 1,000 kWh a month paid $2,067 for the year at the 2013 real price and $1,950 at the 2024 price. Place on home price: 40th cheapest of 77 in 2013, 51st of 61 in 2024 among Wisconsin utilities with 1,000+ homes.

Northern States Power Co outage minutes a customer, 2013 to 2024: 122 in 2024

Northern States Power Co at 122 min in 2024 and the Wisconsin median at 38.

Northern States Power Co home price since 2013: −5.7% after inflation

Northern States Power Co: 16.25 ¢ in 2025 dollars (solid) and 15.83 ¢ as billed (dashed) in 2024.

Northern States Power Co, EIA utility 13780, year by year among Wisconsin utilities

Northern States Power Co 2013-2024: 12 rows

Year, Northern States Po	¢ billed	¢ in 2025 $	Price place, Northern State	SAIDI min	SAIFI	SAIDI place, Northern State	Wisconsin median SAIDI
2013	12.46	17.22	40 of 77	88	0.78	9 of 15	83
2014	12.84	17.46	50 of 78	121	1.00	13 of 16	67
2015	13.14	17.85	49 of 78	81	0.65	11 of 16	57
2016	13.33	17.88	54 of 78	97	0.83	15 of 19	62
2017	13.75	18.06	54 of 78	94	0.62	15 of 19	48
2018	13.73	17.61	60 of 79	90	0.67	15 of 21	50
2019	13.37	16.84	64 of 92	113	0.87	18 of 22	68
2020	13.34	16.59	43 of 61	97	0.78	18 of 21	42
2021	13.81	16.41	44 of 61	83	0.77	19 of 23	36
2022	15.09	16.60	54 of 61	113	0.84	20 of 25	22
2023	16.03	16.93	54 of 61	83	0.70	21 of 26	30
2024	15.83	16.25	51 of 61	122	0.89	22 of 25	38

Northern States Power Co, EIA utility 13780: EIA-861, CPI-U.

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SAIDI explained, Wisconsin real prices.

Facts

Customer accounts: 262,3748.2% of Wisconsin total
Residential accounts: 220,5747.8% of Wisconsin homes
Commercial accounts: 41,68415.9% of the base
Residential rate: 15.83 ¢/kWhplace 1 of 7, -7.9% against the state
Commercial rate: 11.63 ¢/kWhplace 11 of 23, -7.9% against the state
SAIDI, no major events: 122.4 minbetter than 41% of reporters
SAIFI, no major events: 0.890.88x the median
SAIDI with major events: 208.6 min41.3% from event days
Net-metered capacity: 15.0 MW780 installations
Counties served: 28Wisconsin plus 1 more
Average residential use: 8,286 kWh/yr691 a month
Implied monthly bill: $109-$4 on the U.S. rate, 691 kWh
Residential rate since 2015: +20.5%13.14 to 15.83 ¢/kWh
SAIDI trend: +51%81 min in 2015, 122 in 2024

Data tables

2024 by sector, Northern States Power Co

Northern States Power Co sector	Accounts	Rate ¢/kWh	Gap to Wisconsin ¢/kWh
Residential	220,574	15.83	-1.35
Commercial	41,684	11.63	-1.00

Year by year, Northern States Power Co

Year	Home accounts, Northern States Power	Home ¢	Business ¢	Ratio	SAIDI	SAIFI
2015	206,991	13.14	9.96	0.76	81	0.65
2016	208,215	13.33	10.14	0.76	97	0.83
2017	209,168	13.75	10.44	0.76	94	0.62
2018	210,551	13.73	10.23	0.75	90	0.67
2019	211,843	13.37	10.09	0.75	113	0.87
2020	213,577	13.34	10.10	0.76	97	0.78
2021	215,241	13.81	10.43	0.75	83	0.77
2022	216,875	15.09	11.43	0.76	113	0.84
2023	218,404	16.03	12.03	0.75	83	0.70
2024	220,574	15.83	11.63	0.73	122	0.89

Peers of Northern States Power Co in Wisconsin, place 1 of 7 on home price

Utility near Northern States Power Co on price	SAIDI min, gap to Northern States Power Co	Home ¢, gap to Northern States Power Co	Gap % to Northern States Power Co	Accounts, Northern States Power Co = 1
1. Northern States Power Co (this utility)	122	15.83	-	1.00
2. Polk-Burnett Electric Coop	-73	+0.07	+0.5%	0.08
3. Wisconsin Public Service Corp	-27	+0.40	+2.6%	1.78
4. Wisconsin Power & Light Co	No data	+1.06	+6.7%	1.91

Who buys Northern States Power Co's electricity

Class at Northern States Power Co	Accounts	Of Northern States Power Co accounts	Of Northern States Power Co MWh sold	kWh a year per Northern States Power Co account
Residential	220,574	84.1%	27.7%	8,286
Commercial	41,684	15.9%	40.5%	64,139
Industrial and other	116	0.04%	31.7%	18,051,026

Northern States Power Co among Xcel Energy group

Northern States Power Co and its neighbours on price	SAIDI min, gap to Northern States Power Co	Home ¢, gap to Northern States Power Co	Accounts, Northern States Power Co = 1
1. Public Service Co of Colorado (CO)	+36	-0.78	6.06
2. Northern States Power Co (WI, this utility)	122	15.83	1.00
3. Northern States Power Co - Minnesota (MN)	-12	+1.15	5.24

Northern States Power Co: meters, rate options and solar

Measure	Northern States Power Co	Wisconsin context	Northern States Power Co detail
Northern States Power Co home meters on AMI	84.8%	Wisconsin 89.8%	189,442 of 223,344 meters
Home meters, AMR (drive-by read)	33,902	Wisconsin figure not published	15.2% of meters
Time-of-use rate for Northern States Power Co homes	Offered	50 of 81 Wisconsin utilities offer one	6,543 homes on dynamic pricing, 2.97% of 220,574
Net-metered installations	780	83% residential	2.9 homes per 1,000 accounts, 19.3 kW average

Monthly energy cost by use, Northern States Power Co

kWh	Share of a 691 kWh month	Cost a month at 15.83 ¢	vs U.S.	Cost a year
250	36%	$39.57	-$1.63	$475
500	72%	$79.15	-$3.25	$950
750	109%	$118.72	-$4.88	$1,425
1,000	145%	$158.29	-$6.51	$1,900
1,500	217%	$237.44	-$9.76	$2,849
2,000	290%	$316.59	-$13.01	$3,799

Outage record, Northern States Power Co

Measure, Northern States Powe	No events	All events	Converted
SAIDI minutes	122.4	208.6	2.04 h
SAIFI interruptions	0.890	1.130	1.12 yr apart
CAIDI minutes	137.5	184.6	2.29 h

Territory of Northern States Power Co

28 Wisconsin counties plus 1 other state, region MRO:

Wisconsin other states: 30 of 30 counties of Northern States Power Co drawn

Northern States Power Co: 30 counties listed by EIA-861, Census 2023 outlines.

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County list

Ashland
Barron
Bayfield
Buffalo
Chippewa
Clark
Crawford
Dunn
Eau Claire
Iron
Jackson
La Crosse
Lincoln
Marathon
Monroe
Oneida
Pepin
Pierce
Polk
Price
Rusk
Sawyer
St Croix
Taylor
Trempealeau
Vernon
Vilas
Washburn

Questions on Northern States Power Co

How big is Northern States Power Co in Wisconsin, by customer accounts?

262,374 accounts in 2024: residential 220,574, commercial 41,684, industrial 116.

How many cents per kWh does Northern States Power Co charge homes?

In 2024 homes paid 15.83 cents; against the Wisconsin average that is -7.9%.

What are the SAIDI and SAIFI of Northern States Power Co?

SAIDI 122.4 min and SAIFI 0.89 a year, major events excluded; ratio to the national median 1.23, CAIDI 137 min.

How many net-metered systems connect to Northern States Power Co?

780 installations with 15.0 MW, of which residential installations number 649.

What would a typical Northern States Power Co home pay each month?

691 kWh at 15.83 cents comes to about $109, energy only.

Is Northern States Power Co cheaper than other Wisconsin utilities?

Rank 1 of 7 in Wisconsin on price, -7.9% against the state average; 0 charge less than 15.83 ¢.

What share of Northern States Power Co sales do homes buy?

Homes take 27.7% of 6,595,164 MWh, commercial accounts 40.5%, industrial and other 31.7%; the 41,684 commercial accounts use 64,139 kWh each, 7.7 times a home.

At Northern States Power Co, are smart meters in homes, with a TOU option?

189,442 of 223,344 home meters are AMI, 84.8%. Northern States Power Co offers a home time-of-use rate; 6,543 customers use dynamic pricing, 2.97% of its homes.

Has Northern States Power Co moved up the Wisconsin price list since 2015?

2nd cheapest of 6 in 2015, 1st of 7 in 2024; its price rose 20.5% while Wisconsin rose 21.8%.

How does Northern States Power Co compare with 2 similar utilities?

Place 2 of 3 on home price at 15.83 ¢ (Xcel Energy group); median 15.83 ¢, cheapest member 15.05 ¢.

Did Northern States Power Co cut or raise its 2025 home price?

15.55 cents per kWh, -1.7% on the 15.83 of 2024 (EIA early release for 2025).

Utilities with a similar home price

Home prices nearest to Northern States Power Co at 15.83 ¢/kWh in 2024, among companies with a page here, any state.

Town of ReadingMassachusetts, 15.86 ¢/kWh, 0.03 ¢ above
Corn Belt Energy CorporationIllinois, 15.76 ¢/kWh, 0.07 ¢ below
United Power, IncColorado, 15.75 ¢/kWh, 0.08 ¢ below
City of IndependenceMissouri, 15.74 ¢/kWh, 0.09 ¢ below

Rate plans on file

6 home plan records, energy charges: 7.0 to 22.6 ¢/kWh.

Time-of-use: 5, e.g. Residential Time Of Day Service MR-2

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

Primary sources for Northern States Power Co electricity: 262,374 accounts in Wisconsin, SAIDI 122

EIA-861 annual report entry for Northern States Power Co electricity: 262,374 accounts in Wisconsin, SAIDI 122, customers and sales
EIA-861 form instructions for Northern States Power Co electricity: 262,374 accounts in Wisconsin, SAIDI 122, how a customer is counted
EIA state profiles for Northern States Power Co electricity: 262,374 accounts in Wisconsin, SAIDI 122, the state price average