Black Hills Power, Inc. in South Dakota: 14.37 ¢ home rates, SAIDI and solar

Roughly 74,842 South Dakota accounts belong to Black Hills Power, Inc., classed by EIA as investor owned; the residential count is 60,951. Major event days make 0% of its yearly outage minutes (57 with them, 57 without).

Black Hills Power, Inc.: 767 kWh a month costs roughly $110 in energy at 14.37 ¢/kWh, +11.8% on the South Dakota average of 12.86 ¢.

Major event days make 0% of its yearly outage minutes (57 with them, 57 without).

Black Hills Power, Inc.: major event days

Share of SAIDI from major events: 0%57 minutes with events, 57 without

Major events weigh on Black Hills Power, Inc.: 57 minutes with them, 57 without, so 0% of the total comes from event days, 1.00 times the everyday figure.

SAIFI adds the frequency view: 0.86 interruptions a customer a year, 0.85 times the national median (1.01), with 66 minutes per interruption.

How it compares

Black Hills Power, Inc.
Black Hills Power, Inc., 2024	Home	Business	Bill	SAIDI
Black Hills Power, Inc.	14.37 ¢/kWh	13.18 ¢/kWh	$110at 767 kWh	57 minSAIDI
South Dakota average against this company, which is 4 of 4 on priceLowest in this table	-1.51 ¢/kWhcompany 11.8% above	-2.63 ¢/kWhcompany 24.9% above	-$12a month at 767 kWh	+0 mincompany 0 below
Sioux Valley SW Elec Coop	12.94 ¢/kWhcompany 11.1% above	15.64 ¢/kWhcompany 15.7% below	$9911 less than company	71 mincompany 14 below

Compare 15 South Dakota companies

Black Hills Power, Inc.: 2025

No 2025 early-release row for Black Hills Power, Inc.; 2024 stays the latest year.

Black Hills Power, Inc. 2024 against South Dakota 2025: +0.99 ¢14.37 ¢ for Black Hills Power, Inc. in 2024, 13.38 ¢ for South Dakota in 2025

Black Hills Power, Inc. has no 2025 early-release row; for its 60,951 home accounts the latest year is 2024, at 14.37 ¢/kWh and 57 SAIDI minutes.

Carbon context

Black Hills Power, Inc. serves 60,951 homes in South Dakota. At 767 kWh a month that is about 116 kg of CO₂, or 1,394 kg a year, at the South Dakota plant rate, state generation and not this utility: South Dakota generation mix.

Black Hills Power, Inc. charts

Residential price since 2015: 14.37 ¢ in 2024

13.99 ¢ in 2015, 14.37 ¢ in 2024 (+2.7%); South Dakota 11.08 to 12.86 ¢.

Black Hills Power, Inc. residential price 2015-2024, 2015 to 2024: 10 rows

Year	Black Hills Power, Inc.	Gap to South Dakota residential	Gap to U.S. residential
2015	13.99	+2.91	+1.34
2016	13.89	+2.42	+1.34
2017	13.86	+2.09	+0.97
2018	13.81	+2.22	+0.94
2019	13.15	+1.60	+0.14
2020	13.37	+1.62	+0.22
2021	15.15	+2.93	+1.49
2022	13.92	+1.83	-1.12
2023	13.67	+1.35	-2.33
2024	14.37	+1.51	-2.11

10 rows from EIA retail sales.

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Black Hills Power, Inc. SAIDI, 2015-2024

80 min in 2015, 57 in 2024.

Black Hills Power, Inc. SAIDI by year, 2015 to 2024: 10 rows

Year	Black Hills Power, Inc, no major events	Black Hills Power, Inc, all events
2015	80	99
2016	78	88
2017	70	78
2018	64	78
2019	72	159
2020	58	130
2021	53	113
2022	65	86
2023	43	50
2024	57	57

10 rows from EIA-861 survey.

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Reliability: SAIDI 57.4 min

57.4 min, 0.58x the median reporter, rank 188 of 673.

min

Company, no major events57.4
Company, with major events57.4

Black Hills Power, Inc., Reliability: EIA-861 survey.

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Analyst note

Black Hills Power, Inc. billed homes 13.99 ¢/kWh in 2015 and 14.37 ¢ in 2024, +2.7% in all, and lagged the South Dakota average (+16.1%) by 13.3 points. Black Hills Power, Inc.'s sharpest move came in 2021, +13.3%. The high is 15.15 ¢ (2021) and the low 13.15 ¢ (2019). 2024: +5.2% here, +4.4% for the South Dakota average. SAIDI at Black Hills Power, Inc. (major events excluded) fell from 80 minutes in 2015 to 57 in 2024, -28%; best year 2023 at 43. Black Hills Power, Inc. filed SAIDI under the national median in 10 of 10 years; its 2024 figure was 57 minutes, -42 from that year's median. 2019: 159 minutes with major events, 72 without, the widest gap of any year. Black Hills Power, Inc. has 3 cheaper and 0 higher-priced South Dakota peers among 4 with 20,000+ homes. Next cheaper, Sioux Valley SW Elec Coop, bills 12.94 ¢ (-1.44).

A 11.8% premium to South Dakota, partly matched by a 57-minute outage figure that beats the national median.

Home accounts at Black Hills Power, Inc. went from 54,809 in 2015 to 60,951 in 2024, +11.2%. Business customers paid 0.92 times the home price in 2024 (13.18 against 14.37 ¢); the ratio was 0.90 in 2015. SAIFI went from 0.94 in 2015 to 0.86 in 2024, between 0.62 and 1.33.

Outages and home price of Black Hills Power, Inc. (EIA utility 19545), 2013 to 2024

Yearly SAIDI at Black Hills Power, Inc.: 63 minutes in 2013, 57 in 2024, little changed (−9%). The low came in 2023 at 43, the high in 2014 at 84; 12 years were filed. The South Dakota median in 2024 was 64 minutes, so Black Hills Power, Inc. ran below it.

Home rates at Black Hills Power, Inc. went from 11.26 ¢ in 2013 to 14.37 ¢ in 2024 (+27.6%), which is 15.56 ¢ to 14.75 ¢ in 2025 dollars (−5.2%). Over 12,000 kWh a year the real price meant $1,868 in 2013 and $1,770 in 2024. Of 21 South Dakota utilities with 1,000+ home accounts in 2024, Black Hills Power, Inc. stood 18th cheapest (31st of 41 in 2013).

Black Hills Power, Inc. outage minutes a customer, 2013 to 2024: 57 in 2024

Black Hills Power, Inc. at 57 min in 2024 and the South Dakota median at 64.

Black Hills Power, Inc. home price since 2013: −5.2% after inflation

Black Hills Power, Inc.: 14.75 ¢ in 2025 dollars (solid) and 14.37 ¢ as billed (dashed) in 2024.

Black Hills Power, Inc., EIA utility 19545, year by year among South Dakota utilities

Black Hills Power, Inc. 2013-2024: 12 rows

Year, Black Hills Power,	¢ billed	¢ in 2025 $	Price place, Black Hills Po	SAIDI min	SAIFI	SAIDI place, Black Hills Po	South Dakota median SAIDI
2013	11.26	15.56	31 of 41	63	0.89	4 of 9	63
2014	11.90	16.19	36 of 43	84	1.01	6 of 11	84
2015	13.99	19.00	42 of 42	80	0.94	4 of 12	91
2016	13.89	18.63	42 of 42	78	0.95	5 of 12	84
2017	13.86	18.20	40 of 43	70	1.07	3 of 13	90
2018	13.81	17.71	42 of 43	64	0.83	5 of 13	68
2019	13.15	16.56	36 of 43	72	1.33	8 of 14	70
2020	13.37	16.64	17 of 20	58	0.71	5 of 10	64
2021	15.15	18.00	21 of 21	53	0.62	4 of 11	58
2022	13.92	15.31	19 of 21	65	0.80	4 of 11	80
2023	13.67	14.44	18 of 21	43	0.72	4 of 11	54
2024	14.37	14.75	18 of 21	57	0.86	6 of 13	64

Black Hills Power, Inc., EIA utility 19545: EIA-861, CPI-U.

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SAIDI explained, South Dakota real prices.

Facts

Customer accounts: 74,84214.5% of South Dakota total
Residential accounts: 60,95114.1% of South Dakota homes
Commercial accounts: 13,88518.6% of the base
Residential rate: 14.37 ¢/kWhplace 4 of 4, +11.8% against the state
Commercial rate: 13.18 ¢/kWhplace 7 of 9, +24.9% against the state
SAIDI, no major events: 57.4 minbetter than 72% of reporters
SAIFI, no major events: 0.860.85x the median
SAIDI with major events: 57.4 min0.0% from event days
Net-metered capacity: 2.1 MW248 installations
Counties served: 6South Dakota plus 2 more
Average residential use: 9,201 kWh/yr767 a month
Implied monthly bill: $110-$16 on the U.S. rate, 767 kWh
Residential rate since 2015: +2.7%13.99 to 14.37 ¢/kWh
SAIDI trend: -28%80 min in 2015, 57 in 2024

Data tables

2024 by sector, Black Hills Power, Inc.

Black Hills Power, Inc. sector	Accounts	Rate ¢/kWh	Gap to South Dakota ¢/kWh
Residential	60,951	14.37	+1.51
Commercial	13,885	13.18	+2.63

Year by year, Black Hills Power, Inc.

Year	Home accounts, Black Hills Power, Inc	Home ¢	Business ¢	Ratio	SAIDI	SAIFI
2015	54,809	13.99	12.63	0.90	80	0.94
2016	55,637	13.89	12.39	0.89	78	0.95
2017	56,430	13.86	12.48	0.90	70	1.07
2018	56,835	13.81	12.64	0.92	64	0.83
2019	57,178	13.15	11.99	0.91	72	1.33
2020	57,626	13.37	12.15	0.91	58	0.71
2021	58,083	15.15	13.70	0.90	53	0.62
2022	58,892	13.92	12.95	0.93	65	0.80
2023	59,756	13.67	12.46	0.91	43	0.72
2024	60,951	14.37	13.18	0.92	57	0.86

Peers of Black Hills Power, Inc. in South Dakota, place 4 of 4 on home price

Utility near Black Hills Power, Inc. on price	SAIDI min, gap to Black Hills Power, Inc.	Home ¢, gap to Black Hills Power, Inc.	Gap % to Black Hills Power, Inc.	Accounts, Black Hills Power, Inc. = 1
1. Southeastern Electric Coop Inc	No data	-1.97	-13.7%	0.31
2. NorthWestern Energy	+9	-1.81	-12.6%	0.87
3. Sioux Valley SW Elec Coop	+14	-1.44	-10.0%	0.34
4. Black Hills Power, Inc. (this utility)	57	14.37	-	1.00

Who buys Black Hills Power, Inc.'s electricity

Class at Black Hills Power, Inc.	Accounts	Of Black Hills Power, Inc. accounts	Of Black Hills Power, Inc. MWh sold	kWh a year per Black Hills Power, Inc. account
Residential	60,951	81.4%	36.6%	9,201
Commercial	13,885	18.6%	50.9%	56,161
Industrial and other	6	0.01%	12.5%	31,987,667

Black Hills Power, Inc. among Black Hills group

Black Hills Power, Inc. and its neighbours on price	SAIDI min, gap to Black Hills Power, Inc.	Home ¢, gap to Black Hills Power, Inc.	Accounts, Black Hills Power, Inc. = 1
1. Black Hills Power, Inc. (SD, this utility)	57	14.37	1.00
2. Cheyenne Light Fuel & Power (WY)	-24	+2.59	0.61
3. Black Hills Colorado Electric, LLC (CO)	+44	+2.67	1.36

Black Hills Power, Inc.: meters, rate options and solar

Measure	Black Hills Power, Inc.	South Dakota context	Black Hills Power, Inc. detail
Black Hills Power, Inc. home meters on AMI	100.0%	South Dakota 78.5%	60,951 of 60,951 meters
Time-of-use rate for Black Hills Power, Inc. homes	Not on file	5 of 9 South Dakota utilities offer one	no dynamic-pricing count filed by Black Hills Power, Inc.
Net-metered installations	248	90% residential	3.6 homes per 1,000 accounts, 8.6 kW average

Monthly energy cost by use, Black Hills Power, Inc.

kWh	Share of a 767 kWh month	Cost a month at 14.37 ¢	vs U.S.	Cost a year
250	33%	$35.94	-$5.26	$431
500	65%	$71.87	-$10.53	$862
750	98%	$107.81	-$15.79	$1,294
1,000	130%	$143.74	-$21.06	$1,725
1,500	196%	$215.61	-$31.59	$2,587
2,000	261%	$287.48	-$42.12	$3,450

Outage record, Black Hills Power, Inc.

Measure, Black Hills Power, I	No events	All events	Converted
SAIDI minutes	57.4	57.4	0.96 h
SAIFI interruptions	0.865	0.865	1.16 yr apart
CAIDI minutes	66.3	66.3	1.11 h

Territory of Black Hills Power, Inc.

6 South Dakota counties plus 2 other states, region WECC:

South Dakota other states: 11 of 11 counties of Black Hills Power, Inc. drawn

Black Hills Power, Inc.: 11 counties listed by EIA-861, Census 2023 outlines.

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County list

Butte
Custer
Fall River
Lawrence
Meade
Pennington

Questions on Black Hills Power, Inc.

How big is Black Hills Power, Inc. in South Dakota, by customer accounts?

74,842 accounts in 2024: residential 60,951, commercial 13,885, industrial 6.

How many cents per kWh does Black Hills Power, Inc. charge homes?

In 2024 homes paid 14.37 cents; against the South Dakota average that is +11.8%.

What are the SAIDI and SAIFI of Black Hills Power, Inc.?

SAIDI 57.4 min and SAIFI 0.86 a year, major events excluded; ratio to the national median 0.58, CAIDI 66 min.

How many net-metered systems connect to Black Hills Power, Inc.?

248 installations with 2.1 MW, of which residential installations number 222.

What would a typical Black Hills Power, Inc. home pay each month?

767 kWh at 14.37 cents comes to about $110, energy only.

Is Black Hills Power, Inc. cheaper than other South Dakota utilities?

Rank 4 of 4 in South Dakota on price, +11.8% against the state average; 3 charge less than 14.37 ¢.

What share of Black Hills Power, Inc. sales do homes buy?

Homes take 36.6% of 1,532,560 MWh, commercial accounts 50.9%, industrial and other 12.5%; the 13,885 commercial accounts use 56,161 kWh each, 6.1 times a home.

At Black Hills Power, Inc., are smart meters in homes, with a TOU option?

60,951 of 60,951 home meters are AMI, 100.0%. Black Hills Power, Inc. reports no home time-of-use rate; 5 of 9 South Dakota filers do.

Has Black Hills Power, Inc. moved up the South Dakota price list since 2015?

2nd cheapest of 2 in 2015, 4th of 4 in 2024; its price rose 2.7% while South Dakota rose 16.1%.

How does Black Hills Power, Inc. compare with 2 similar utilities?

Place 1 of 3 on home price at 14.37 ¢ (Black Hills group); median 16.96 ¢, cheapest member 14.37 ¢.

Has Black Hills Power, Inc. filed 2025 data with EIA?

Not yet: 14.37 cents and 57 SAIDI minutes (2024) remain the newest Black Hills Power, Inc. record.

Utilities with a similar home price

Home prices nearest to Black Hills Power, Inc. at 14.37 ¢/kWh in 2024, among companies with a page here, any state.

Cloverland Electric Co-opMichigan, 14.37 ¢/kWh, 0.00 ¢ below
Ohio Power CoOhio, 14.35 ¢/kWh, 0.02 ¢ below
City of LovelandColorado, 14.40 ¢/kWh, 0.03 ¢ above
White River Valley El Coop IncMissouri, 14.30 ¢/kWh, 0.07 ¢ below

Rate plans on file

9 home plan records, energy charges: 4.9 to 13.5 ¢/kWh.

Demand charge: 2, e.g. Residential Demand Service (RD)

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

Primary sources for Black Hills Power, Inc. in South Dakota: 14.37 ¢ home rates, SAIDI and solar

EIA-861 annual report entry for Black Hills Power, Inc. in South Dakota: 14.37 ¢ home rates, SAIDI and solar, customers and sales
EIA-861 form instructions for Black Hills Power, Inc. in South Dakota: 14.37 ¢ home rates, SAIDI and solar, how a customer is counted
EIA state profiles for Black Hills Power, Inc. in South Dakota: 14.37 ¢ home rates, SAIDI and solar, the state price average