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, EIA-860/923, EPA eGRID, Census ACS · How we got these numbers · Report an error

Idaho electric companies, rates and outages

EIA counts 8 utilities in Idaho, serving 1,021,781 accounts for a population of 1,893,296.

Boise Power Plant of the Boise Project, Idaho
Boise Project - Boise Power Plant - Completed - Idaho-Oregon - NARA - 294673. Photo by Unknown authorUnknown author or not provided, Public domain, Wikimedia Commons. Illustrative, not a listed utility's plant.

In 2025 Idaho homes paid 11.82 ¢/kWh: rank 50 of 51, 31.7% below the U.S. average of 17.30 ¢ (2024: 11.52 ¢).

Calculators for Idaho

How it compares

Idaho prices
Customer sector2024GapRank
Residential11.52 ¢/kWh-30.1% against the U.S.50 of 511 is highest
Commercial9.17 ¢/kWh-28.1% against the U.S.46 of 511 is highest
Industrial7.69 ¢/kWh-5.4% against the U.S.34 of 511 is highest

Electric companies in Idaho

Idaho home prices, 2024; lowest filled.

Idaho companies
CompanyHome accountsAverage priceReliabilityNet metering
United Electric Co-op, IncLowest price5,1007.89 ¢/kWh$74 a month at 944 kWh40 minSAIDI, SAIFI 0.430.4 MW31 systems
Salmon River Electric Coop Inc2,3839.00 ¢/kWh$85 a month at 944 kWh199 minSAIDI, SAIFI 2.00No data
Raft Rural Elec Coop Inc1,3919.18 ¢/kWh$87 a month at 944 kWhNo dataNo data
City of Idaho Falls28,1429.25 ¢/kWh$87 a month at 944 kWh72 minSAIDI, SAIFI 0.651.6 MW253 systems
Fall River Rural Elec Coop Inc15,43311.11 ¢/kWh$105 a month at 944 kWh7 minSAIDI, SAIFI 0.061.9 MW193 systems
Northern Lights, Inc18,51111.49 ¢/kWh$108 a month at 944 kWhNo dataNo data
Idaho Power Co525,75111.76 ¢/kWh$111 a month at 944 kWh164 minSAIDI, SAIFI 1.21171.2 MW18,786 systems
Kootenai Electric Cooperative30,37812.21 ¢/kWh$115 a month at 944 kWh125 minSAIDI, SAIFI 0.811.7 MW274 systems

Idaho: 2025 and 2026

Idaho, data to July 2026.

Idaho 2025 average price
11.82 ¢/kWh+2.6% against 2024, U.S. +5.0%
Idaho 2025 rank
50 of 51same place as 2024
Idaho January to Jul 2026
12.96 ¢/kWh+12.0% on Jan-Jul 2025
Idaho Last 12 months
12.65 ¢/kWhto July 2026
Idaho July 2026
13.73 ¢/kWh+11.8% against July 2025
Idaho 2025 costliest month
Sep 12.50 ¢cheapest Jan 10.82 ¢, a 16% spread
Idaho Typical 2025 bill
$110 a monthtop Jan $138, low May $89

The Idaho residential price averaged 11.82 ¢/kWh in 2025, +2.6% on 2024: Idaho ran 2.4 points slower than the nation. From January to July 2026 the Idaho average is 12.96 ¢, +12.0% on 2025, 4.9 points above the U.S. change. Seasonality in Idaho: 2025 peaked in September at 12.50 ¢ and bottomed in January at 10.82 ¢. A typical residential account in Idaho paid about $1,324 for energy over 2025, from $89 in May to $138 in January; use per account ran 746 to 1,276 kWh a month.

Idaho price by month, 2024 to Jul 2026

Price by month, Idaho: 12 rows
Month202420252026 to Jul
Jan10.7110.8212.07
Feb11.1810.9512.63
Mar10.9911.5713.01
Apr11.3711.8912.70
May11.4811.8812.35
Jun12.2012.0714.37
Jul12.1712.2813.73
Aug12.0412.08No data
Sep12.3612.50No data
Oct12.2012.46No data
Nov11.2812.25No data
Dec10.9511.87No data

12 rows from EIA retail sales.

CSV

What a typical Idaho account paid each month

Idaho: use per account times price, energy only.

Typical bill by month, Idaho: 12 rows
Month20252026 to Jul
Jan138143
Feb124119
Mar109113
Apr9197
May8992
Jun103114
Jul130153
Aug120No data
Sep98No data
Oct92No data
Nov105No data
Dec126No data

12 rows from EIA retail sales.

CSV

What Idaho power is made of

In plain words. Hydro is the biggest source in Idaho (44%), and the power made there is cleaner than the U.S. average per kWh. New plants with 142 MW are under construction.

In 2025 Idaho plants of 1 MW or more made 20.3 TWh. The biggest sources: hydro 43.6%, natural gas 31.4%, wind 13.9%. For comparison, hydro makes 5.5% of U.S. generation. Wind, solar and hydro together: 65.6% (22.6% for the U.S.). Idaho plants only; imports and rooftop solar are not counted.

Idaho, share of net generation, %

  • Coal
  • Natural gas 31.4
  • Nuclear
  • Hydro (conventional) 43.6
  • Wind 13.9
  • Utility-scale solar 8.0
  • Petroleum
  • Wood, biomass, geothermal, waste 2.9
  • Other 0.1

Fuel groups: prices guide.

Idaho, share of net generation and operating capacity: 7 rows
SourceIdaho share of generation, %U.S. share, %Idaho generation, TWhIdaho capacity, MW
Natural gas31.440.96.361,257
Hydro (conventional)43.65.58.852,696
Wind13.910.42.831,132
Utility-scale solar8.06.81.63702
Petroleum0.00.40.005
Wood, biomass, geothermal, waste2.91.40.59164
Other0.10.40.0316

EIA-923 and EIA-860 for Idaho, 2025 data, pulled 2 Oct 2026.

CSV

Idaho plant pipeline

Idaho, megawatts: 6 rows
Idaho plantsMW
Operating, utility-scale5,972
Battery storage459
Retiring 2026 to 20300
Retiring after 20300
Under construction142
Planned859

EIA-860 generators in Idaho, 2025 data.

CSV

Idaho carbon per kWh

Idaho plants emitted 313 lb of CO₂ per MWh in 2023 (0.142 kg per kWh), against 767 lb for the U.S. An average Idaho home using 922 kWh a month accounts for about 131 kg of CO₂ a month at that rate. The rate is for Idaho plants, not your supplier.

state and national values: 4 rows
MeasureIdahoU.S.
CO₂, lb per MWh313.3767.2
CO₂, kg per kWh0.1420.348
NOx, lb per MWh0.1320.452
SO2, lb per MWh0.0490.359

EPA eGRID2023 for Idaho, pulled 2 Oct 2026.

CSV

Idaho weather

A normal year in Idaho brings 7,220 heating and 409 cooling degree-days (1991 to 2020). 2025 had 6,238 heating (14% below normal) and 624 cooling (53% above normal).

Idaho degree-days by year

Heating and cooling degree-days, Idaho, 2015 to 2025: 11 rows
Idaho yearHeating (HDD)Cooling (CDD)Normal HDDNormal CDD
201561036097220409
201664294557220409
201769856157220409
201866465417220409
201971324537220409
202066614877220409
202164797287220409
202272807187220409
202368985747220409
202464636247220409
202562386247220409

NOAA nClimDiv degree-days for Idaho, 2015 to 2025, pulled 2 Oct 2026.

CSV

Idaho meters and time-of-use rates

81.3% of Idaho home meters are advanced (AMI) meters: 703,385 of 865,471. 3 of 5 reporting utilities offer a home time-of-use rate, and 11,629 home accounts are enrolled in dynamic pricing programs.

EIA-861 meters in Idaho, data year 2024, pulled 2 Oct 2026: homes.

Flood claims and flood insurance in Idaho

Idaho: 368 NFIP flood claims with a loss date in 2015 to 2025, $4.7M paid, median paid claim $10,401; 49th of 55 states and territories by dollars paid. The peak year was 2017 with 237 claims. FEMA counts 0.6% of Idaho residential structures as insured, 38th of 51, and the policy file shows 4,764 NFIP policies in force on 8 Sep 2026. Floods damage substations and lines, and in Idaho this is claims history, not an outage count.

Idaho counties with the most NFIP flood claims
Top counties in IdahoClaims 2015-2025PaidClaims per 1,000 homes
Blaine County193$3.2M14.3
Ada County55$307K0.3
Latah County24$382K1.9
Kootenai County11$117K0.2
Bonner County10$15K0.4

Idaho: flood claims by state, flood claims by county. 368 Idaho claims as of 8 Sep 2026, OpenFEMA NFIP; counts under 5 hidden.

Idaho charts

Price by sector, Idaho

Home 11.52, business 9.17, industry 7.69 ¢ in 2024.

Idaho price by sector 2015-2024, 2015 to 2024: 10 rows
YearResidentialCommercialIndustrialGap to U.S. residential
20159.937.806.60-2.72
20169.957.766.55-2.60
201710.047.986.66-2.85
201810.157.936.47-2.72
20199.897.676.08-3.12
20209.957.756.23-3.20
202110.167.896.39-3.50
202210.378.276.71-4.67
202311.058.787.17-4.95
202411.529.177.69-4.96

10 rows from EIA retail sales.

CSV

Largest utilities, SAIDI

Median of 6 reporters here: 98.7 minutes.

min

  • Idaho Power Co164.0
  • Kootenai Electric Cooperative125.0
  • City of Idaho Falls72.4
  • Fall River Rural Elec Coop Inc6.8
  • United Electric Co-op, Inc40.3
  • Salmon River Electric Coop Inc198.9
  • U.S. median99.5

Idaho, SAIDI of the largest Idaho utilities: EIA-861 survey.

CSV

Median SAIDI by year, 2018-2024

206 minutes in 2018, 99 in 2024.

Median SAIDI by year, Idaho, 2018 to 2024: 7 rows
YearIdaho medianGap to U.S. median reporter
2018206+105
2019147+49
2020131+34
2021129+33
202294-9
202375-24
202499+0

7 rows from EIA-861 survey.

CSV

Who serves each county

Idaho counties shaded by utilities listing them; the table shows the top twelve.

Idaho counties by number of electric utilitiesLatahCusterLemhiClearwaterClarkShoshoneElmoreMinidokaButteBlaineOwyheeNez PerceGemBannockCaribouIdahoMadisonJeffersonOneidaBenewahCassiaBonnevilleFremontTetonBinghamBoundaryLincolnValleyAdamsBoiseWashingtonCanyonJeromeFranklinTwin FallsCamasGoodingAdaBear LakeLewisPayetteBonnerKootenaiPower

1 utility 2 3 4 or more

Idaho counties: first 12 of 44 rows
CountyUtilitiesNames
Bonner5Avista Corp; Bonneville Power Administration; Inland Power & Light Company; Kootenai Electric Cooperative; Northern Lights, Inc
Kootenai5Avista Corp; Bonneville Power Administration; Inland Power & Light Company; Kootenai Electric Cooperative; Northern Lights, Inc
Power4Bonneville Power Administration; Idaho Power Co; PacifiCorp; Raft Rural Elec Coop Inc
Benewah3Avista Corp; Inland Power & Light Company; Kootenai Electric Cooperative
Bingham3Bonneville Power Administration; Idaho Power Co; PacifiCorp
Bonneville3City of Idaho Falls; Lower Valley Energy Inc; PacifiCorp
Cassia3Idaho Power Co; Raft Rural Elec Coop Inc; United Electric Co-op, Inc
Fremont3Bonneville Power Administration; Fall River Rural Elec Coop Inc; PacifiCorp
Idaho3Avista Corp; Idaho Power Co; Missoula Electric Coop, Inc
Jefferson3Bonneville Power Administration; Fall River Rural Elec Coop Inc; PacifiCorp
Madison3Bonneville Power Administration; Fall River Rural Elec Coop Inc; PacifiCorp
Oneida3Idaho Power Co; PacifiCorp; Raft Rural Elec Coop Inc

44 rows from EIA-861 Service Territory, Census 2023 county outlines.

CSV

Analyst note

Idaho residential power was 47th highest of 51 in 2015 at 9.93 ¢ and is 50th in 2024 at 11.52 ¢, so the state slid down 3 places. The U.S. figure went 12.65 to 16.48 ¢ while Idaho went +16.0%. The biggest annual move was 2023 at +6.6%; the latest year, 2024, came in at +4.3% against +3.0% for the U.S. Business customers paid 7.80 ¢ in 2015 and 9.17 ¢ in 2024, a gap to homes of -2.13 ¢ then and -2.35 ¢ now; industry went from 6.60 to 7.69 ¢ (+16.5%). Idaho Power Co is the largest by accounts with 621,373, 60.8% of the 1,021,781 accounts in Idaho, and the top three hold 67.3%. Territory overlaps: 28 of 44 counties are listed by two or more utilities, led by Kootenai with 5. Net-metered capacity totals 177 MW over 19,537 installations, 19.1 per 1,000 electric accounts.

Idaho ranks 50th of 51 on residential price (11.52 ¢), among the cheapest, and 30.1% under the national average. Since 2015 the residential price moved +16.0% against +30.3% nationally, so Idaho has slipped behind the national trend by 14.3 points.

Businesses pay 2.35 ¢ less than households here (-20.4%); business is under home price in 51 of 51. SAIDI for the typical reporter is 98.7 minutes across 6 utilities, under the national 99.5. Three utilities serve 93.1% of accounts.

By revenue, Idaho electricity splits 45.2% residential, 25.5% commercial and 29.4% industrial; by kWh the split is 37.3%, 26.4% and 36.3%. Residential accounts are the largest revenue source here. Home accounts are 85.0% of 1,021,781 accounts and use 944 kWh a month, a commercial account 4,681 and an industrial one 26,900.

Facts

Residents (ACS 2023)
1,893,296693,821 households
Electric accounts
1,021,781540 per 1,000 residents
Residential price
11.52 ¢/kWh-4.96 ¢ against the U.S.
Commercial price
9.17 ¢/kWh-3.58 ¢ against the U.S.
Industrial price
7.69 ¢/kWh-0.44 ¢ against the U.S.
Residential since 2015
+16.0%-14.3 points vs U.S.
Retail sales
26.4 TWh13,928 kWh a resident
Utilities listed
86 cooperative, 1 investor owned, 1 municipal
Median SAIDI
98.7 min6 utilities, 0.99x U.S.
Net-metered capacity
177 MW19,537 installations
Top three utilities
93.1%of utility accounts
Business minus home
-2.35 ¢-20.4% of the home price
Counties with 2+ utilities
28 of 44most: Kootenai, 5 utilities

Data tables

Idaho: price by year

YearHomeBusinessIndustryHome vs U.S.
20159.937.806.60-2.72
20169.957.766.55-2.60
201710.047.986.66-2.85
201810.157.936.47-2.72
20199.897.676.08-3.12
20209.957.756.23-3.20
202110.167.896.39-3.50
202210.378.276.71-4.67
202311.058.787.17-4.95
202411.529.177.69-4.96

Questions on Idaho

How many cents per kWh do Idaho homes pay?

11.52 cents in 2024, which is -4.96 cents against the U.S. figure.

Did Idaho electricity get more expensive after 2015?

It went from 9.93 to 11.52 cents, +16.0% in total, -14.3 points against the U.S.

How many utilities does EIA list for Idaho?

8 utilities have Idaho as their largest state, and 6 of them report SAIDI.

How much solar net metering exists in Idaho?

177 MW over 19,537 installations.

How many electric accounts does Idaho have per 1,000 residents?

540: 1,021,781 accounts for 1,893,296 residents.

Do Idaho businesses pay more than households?

Businesses pay 9.17 ¢ and homes 11.52 ¢, a difference of -2.35 ¢.

What did Idaho residential electricity cost in 2025?

Idaho averaged 11.82 cents per kWh, +2.6% against 11.52 in 2024, and 50 of 51 among states.

Are Idaho residential electricity prices rising in 2026?

Idaho is +4.9 points against the U.S.: 12.96 cents from January to July 2026, +12.0% on 2025.

When in 2025 did Idaho residential power cost most, September or January?

September at 12.50 cents in Idaho; January was the lowest at 10.82, a 16% spread.

Does Idaho residential power cost less than the national average in 2026?

5.25 cents below the national average; Idaho 12.96 cents over January to July 2026, +12.0% on 2025.

States with a similar home price

Closest to Idaho at 11.52 ¢/kWh, by 2024 average home price.

More on Idaho

How Idaho ranks and compares

Idaho is 2nd cheapest of 51 on price (11.82 ¢); 31st of 44 on outage minutes (153 min); 5th cleanest grid (313 lb CO2 per MWh); 46th highest income burden (1.77%).

All rankings, price, income and outages explorer, compare two states.

Help paying the bill in Idaho

Idaho has $23.2 million in federal energy-assistance money for FY2026, shutoff rules and phone lines. Open the Idaho help page.

Counties in Idaho ranked: highest and lowest energy burden, storm reports and old homes, county by county.

More on Idaho

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In 2025 Idaho homes paid 11.82 ¢/kWh: rank 50 of 51, 31.7% below the U.S. average of 17.30 ¢ (2024: 11.52 ¢).

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). Idaho electricity rates 2025: price per kWh, utilities and outages. Data as of 2 October 2026. Retrieved [date accessed], from https://electricconsumer.org/states/idaho.html

MLA

Electric Consumer. “Idaho electricity rates 2025: price per kWh, utilities and outages.” Electric Consumer, data as of 2 October 2026, https://electricconsumer.org/states/idaho.html. Accessed [date accessed].

Chicago

Electric Consumer. “Idaho electricity rates 2025: price per kWh, utilities and outages.” Data as of 2 October 2026. Accessed [date accessed]. https://electricconsumer.org/states/idaho.html.

BibTeX

@misc{usedata_states_idaho,
  author = "Electric Consumer",
  title = {Idaho electricity rates 2025: price per kWh, utilities and outages},
  year = {2026},
  url = {https://electricconsumer.org/states/idaho.html},
  note = {Data as of 2 October 2026. Accessed [date accessed]}
}
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