Idaho electricity prices
11.83¢/kWh
Average residential retail electricity price in Idaho, 2025
+2.7% since 2024 (11.52); +18.9% since 2020 (9.95); +19.1% since 2015 (9.93)
Source: U.S. Energy Information Administration, Retail Sales and Price of Electricity by State (EIA-861). Data period 2025. Published .
Average retail electricity price for the residential sector (revenue divided by sales), for a calendar year.
Change and comparison
From 1990 (4.87) to 2025 (11.83), the change was +142.9%.
The latest figure, 2025, is the highest in the series, which begins in 1990.
Among 50 states and the District of Columbia, Idaho ranked 50th highest in 2025. Hawaii was highest at 40.40¢/kWh and North Dakota lowest at 11.82¢/kWh.
Idaho is lowest among its neighboring states at 11.83¢/kWh; Montana is next above at 12.99¢/kWh.
Idaho's figure is 68.7% of the national figure of 17.23¢/kWh.
Historical data
Source: U.S. Energy Information Administration, Retail Sales and Price of Electricity by State (EIA-861). Published .
Data table (36 rows)
| Period | Idaho (cents per kwh) | United States (cents per kwh) | Montana (cents per kwh) | Nevada (cents per kwh) | Oregon (cents per kwh) | Utah (cents per kwh) | Washington (cents per kwh) | Wyoming (cents per kwh) |
|---|---|---|---|---|---|---|---|---|
| 1990 | 4.87 | 7.83 | 5.45 | 5.70 | 4.73 | 7.13 | 4.39 | 5.97 |
| 1991 | 4.88 | 8.04 | 5.76 | 5.89 | 4.81 | 7.12 | 4.36 | 6.00 |
| 1992 | 4.93 | 8.21 | 5.84 | 6.19 | 4.93 | 6.97 | 4.46 | 6.08 |
| 1993 | 4.99 | 8.32 | 5.77 | 6.51 | 5.02 | 6.85 | 4.60 | 5.96 |
| 1994 | 5.09 | 8.38 | 5.96 | 7.16 | 5.33 | 6.91 | 4.97 | 6.04 |
| 1995 | 5.33 | 8.40 | 6.09 | 7.11 | 5.49 | 6.94 | 4.97 | 6.09 |
| 1996 | 5.28 | 8.36 | 6.22 | 6.90 | 5.69 | 6.96 | 5.03 | 6.13 |
| 1997 | 5.15 | 8.43 | 6.40 | 6.77 | 5.56 | 6.89 | 4.95 | 6.22 |
| 1998 | 5.28 | 8.26 | 6.50 | 7.00 | 5.82 | 6.84 | 5.03 | 6.28 |
| 1999 | 5.26 | 8.16 | 6.78 | 7.13 | 5.75 | 6.27 | 5.10 | 6.34 |
| 2000 | 5.39 | 8.24 | 6.49 | 7.28 | 5.88 | 6.29 | 5.13 | 6.50 |
| 2001 | 6.01 | 8.58 | 6.88 | 9.08 | 6.29 | 6.72 | 5.70 | 6.77 |
| 2002 | 6.59 | 8.44 | 7.23 | 9.43 | 7.12 | 6.79 | 6.29 | 6.97 |
| 2003 | 6.24 | 8.72 | 7.56 | 9.02 | 7.06 | 6.90 | 6.31 | 7.04 |
| 2004 | 6.10 | 8.95 | 7.86 | 9.69 | 7.18 | 7.21 | 6.37 | 7.21 |
| 2005 | 6.29 | 9.45 | 8.10 | 10.20 | 7.25 | 7.52 | 6.54 | 7.48 |
| 2006 | 6.21 | 10.40 | 8.28 | 11.08 | 7.48 | 7.59 | 6.82 | 7.75 |
| 2007 | 6.36 | 10.65 | 8.77 | 11.82 | 8.19 | 8.15 | 7.26 | 7.75 |
| 2008 | 6.99 | 11.26 | 9.13 | 11.93 | 8.49 | 8.26 | 7.54 | 8.21 |
| 2009 | 7.80 | 11.51 | 8.94 | 12.86 | 8.68 | 8.48 | 7.67 | 8.58 |
| 2010 | 7.99 | 11.54 | 9.16 | 12.36 | 8.87 | 8.71 | 8.04 | 8.77 |
| 2011 | 7.87 | 11.72 | 9.75 | 11.61 | 9.54 | 8.96 | 8.28 | 9.11 |
| 2012 | 8.67 | 11.88 | 10.08 | 11.83 | 9.80 | 9.93 | 8.53 | 9.85 |
| 2013 | 9.32 | 12.13 | 10.33 | 11.89 | 9.90 | 10.37 | 8.70 | 10.16 |
| 2014 | 9.72 | 12.52 | 10.18 | 12.93 | 10.47 | 10.65 | 8.67 | 10.50 |
| 2015 | 9.93 | 12.65 | 10.88 | 12.76 | 10.66 | 10.88 | 9.09 | 10.97 |
| 2016 | 9.95 | 12.55 | 10.94 | 11.41 | 10.66 | 11.02 | 9.48 | 11.13 |
| 2017 | 10.04 | 12.89 | 10.95 | 11.99 | 10.66 | 10.95 | 9.66 | 11.37 |
| 2018 | 10.15 | 12.87 | 10.96 | 11.85 | 10.98 | 10.41 | 9.75 | 11.29 |
| 2019 | 9.89 | 13.01 | 11.13 | 12.00 | 11.01 | 10.40 | 9.71 | 11.18 |
| 2020 | 9.95 | 13.15 | 11.24 | 11.34 | 11.17 | 10.44 | 9.87 | 11.11 |
| 2021 | 10.16 | 13.66 | 11.22 | 11.49 | 11.37 | 10.43 | 10.11 | 11.17 |
| 2022 | 10.37 | 15.04 | 11.33 | 13.78 | 11.42 | 10.84 | 10.26 | 11.09 |
| 2023 | 11.05 | 16.00 | 12.54 | 16.67 | 12.73 | 11.20 | 10.98 | 11.46 |
| 2024 | 11.52 | 16.48 | 12.66 | 15.00 | 14.70 | 12.22 | 11.90 | 12.47 |
| 2025 | 11.83 | 17.23 | 12.99 | 13.26 | 15.46 | 13.02 | 13.17 | 13.37 |
Compared with other states
Cents per kWh
Source: U.S. Energy Information Administration, Retail Sales and Price of Electricity by State (EIA-861). Data period 2025. Published .
An excerpt; the full table is below.
| State | 2025 |
|---|---|
| 1. Hawaii | 40.40 |
| 2. California | 31.35 |
| 3. Massachusetts | 30.41 |
| 4. Rhode Island | 29.48 |
| 5. Connecticut | 29.31 |
| 6. Maine | 27.69 |
| 7. New York | 26.39 |
| 8. Alaska | 26.11 |
| 9. New Hampshire | 24.53 |
| 10. Vermont | 22.79 |
Data table (52 rows)
| State | 2025 |
|---|---|
| 1. Hawaii | 40.40 |
| 2. California | 31.35 |
| 3. Massachusetts | 30.41 |
| 4. Rhode Island | 29.48 |
| 5. Connecticut | 29.31 |
| 6. Maine | 27.69 |
| 7. New York | 26.39 |
| 8. Alaska | 26.11 |
| 9. New Hampshire | 24.53 |
| 10. Vermont | 22.79 |
| 11. New Jersey | 22.48 |
| 12. District of Columbia | 21.92 |
| 13. Michigan | 20.03 |
| 14. Maryland | 19.53 |
| 15. Pennsylvania | 19.29 |
| 16. Wisconsin | 18.08 |
| 17. Illinois | 17.67 |
| United States | 17.23 |
| 18. Delaware | 17.15 |
| 19. Ohio | 16.90 |
| 20. Alabama | 16.09 |
| 21. Indiana | 15.96 |
| 22. Minnesota | 15.83 |
| 23. Colorado | 15.69 |
| 24. Oregon | 15.46 |
| 25. Texas | 15.40 |
| 26. West Virginia | 15.39 |
| 27. Virginia | 15.28 |
| 28. Arizona | 15.26 |
| 29. Florida | 15.21 |
| 30. South Carolina | 15.12 |
| 31. New Mexico | 14.85 |
| 32. Georgia | 14.74 |
| 33. Kansas | 14.44 |
| 34. Mississippi | 14.03 |
| 35. North Carolina | 14.00 |
| 36. Iowa | 13.62 |
| 37. Wyoming | 13.37 |
| 38. South Dakota | 13.32 |
| 39. Missouri | 13.30 |
| 40. Nevada | 13.26 |
| 41. Tennessee | 13.22 |
| 42. Oklahoma | 13.21 |
| 43. Washington | 13.17 |
| 44. Kentucky | 13.13 |
| 45. Utah | 13.02 |
| 46. Montana | 12.99 |
| 47. Arkansas | 12.87 |
| 48. Louisiana | 12.52 |
| 49. Nebraska | 12.05 |
| 50. Idaho | 11.83 |
| 51. North Dakota | 11.82 |
Price by sector
Average retail electricity price by end-use sector (Residential, Commercial, Industrial, Transportation), for a calendar year. Every state, DC and the US.
Cents per kWh
Source: U.S. Energy Information Administration, Retail Sales and Price of Electricity by State (EIA-861). Data period 2025. Published .
Data table (3 rows)
| Sector | 2025 (cents per_kwh) |
|---|---|
| Residential | 11.83 |
| Commercial | 9.29 |
| Industrial | 7.88 |
Price by sector over time
Source: U.S. Energy Information Administration, Retail Sales and Price of Electricity by State (EIA-861). Published .
Average monthly residential bill
$110 in 2025. Average monthly residential electricity bill, computed the way EIA computes its own Table 5.a 'Average Monthly Bill': residential revenue (thousand dollars) x 1000, divided by residential customers, divided by 12.
Source: U.S. Energy Information Administration, Retail Sales and Price of Electricity by State (EIA-861). Published .
Data table (36 rows)
| Period | Average monthly residential electricity bill (dollars) |
|---|---|
| 1990 | $56.90 |
| 1991 | $59.41 |
| 1992 | $56.14 |
| 1993 | $59.92 |
| 1994 | $58.78 |
| 1995 | $59.23 |
| 1996 | $60.03 |
| 1997 | $57.89 |
| 1998 | $57.81 |
| 1999 | $57.77 |
| 2000 | $59.23 |
| 2001 | $63.62 |
| 2002 | $68.99 |
| 2003 | $63.93 |
| 2004 | $63.23 |
| 2005 | $65.60 |
| 2006 | $66.36 |
| 2007 | $68.56 |
| 2008 | $76.01 |
| 2009 | $84.27 |
| 2010 | $81.46 |
| 2011 | $82.50 |
| 2012 | $87.52 |
| 2013 | $98.35 |
| 2014 | $95.51 |
| 2015 | $95.01 |
| 2016 | $94.90 |
| 2017 | $100.38 |
| 2018 | $95.84 |
| 2019 | $93.83 |
| 2020 | $95.04 |
| 2021 | $97.62 |
| 2022 | $104.23 |
| 2023 | $106.65 |
| 2024 | $108.73 |
| 2025 | $110.36 |
Source
- Organization
- U.S. Energy Information Administration
- Dataset
- Retail Sales and Price of Electricity by State (EIA-861)
- Geography
- All 50 states, the District of Columbia and the US for total retail sales, the overall retail price, the residential retail price, the price by end-use sector, the count of residential customers, electricity use per residential customer and the average monthly residential bill. Idaho and the US only for sales broken out by end-use sector.
- Time coverage
- 1990-2025
- Update frequency
- Annual
- Published
- Original file
- https://www.eia.gov/electricity/data/state/xls/861/HS861%202010-.xlsx
- Methodology
- https://www.eia.gov/electricity/data/state/
- License
- Public domain. U.S. federal government work.
- Our copy
- Retail Sales and Price of Electricity by State (EIA-861)
Caveats
- Retail price is revenue divided by sales, in cents per kilowatt-hour; EIA publishes it directly from 2010, and it is computed the same way for 1990 to 2009.
- Figures cover the Total Electric Industry (all provider types combined), not any single provider type.
Cite
Cite this page as Understand Idaho, “Idaho electricity prices”, https://understandidaho.com/energy/electricity-prices/, retrieved on the date you read it, and the publisher named above for the figures themselves. The dataset behind it is described in the data catalog.
This page was last updated .