South Dakota vs Wyoming electricity prices: 13.38 ¢ against 13.38 ¢ per kWh
44 places apart: South Dakota #46, Wyoming #2 of 51, the widest of 31 measures. clean share with nuclear South Dakota 79.5%, Wyoming 30.8%; outage minutes a year, SAIDI South Dakota 57, Wyoming 145. Typical bills differ by $21 a month, higher in South Dakota.
Over a year the typical energy bill differs by $249 ($134 a month in South Dakota, $114 in Wyoming). Since 2015 the home price rose +20.8% in South Dakota and +22.0% in Wyoming: 1.2 points more in Wyoming. Against the U.S. home average South Dakota sits at -22.7% and Wyoming at -22.7%.
Where the power in South Dakota and Wyoming comes from
Fuels with the widest gaps, South Dakota against Wyoming.
| Fuel | South Dakota | Wyoming | Gap |
|---|---|---|---|
| Coal | 9.3% | 57.8% | 48.6 points, higher in Wyoming |
| Wind | 58.2% | 27.9% | 30.3 points, higher in South Dakota |
| Hydro | 19.2% | 1.8% | 17.4 points, higher in South Dakota |
| Other | 0.0% | 1.0% | 1.0 points, higher in Wyoming |
South Dakota against Wyoming: widest gaps
| Measure | South Dakota | Wyoming | Gap | Rank (of 51) |
|---|---|---|---|---|
| CO2 per MWh of generation, lb | 334 | 1,820 | -1,486 | #46 / #2 |
| Clean share with nuclear | 79.5% | 30.8% | +48.7 points | #3 / #36 |
| Outage minutes a year, SAIDI | 57 | 145 | -88 | #49 / #20 |
| Coal share of generation | 9.3% | 57.8% | -48.6 points | #28 / #4 |
| Price change 2024 to 2025 | +4.0% | +7.3% | -3.3 points | #32 / #11 |
| Hydro share of generation | 19.2% | 1.8% | +17.4 points | #7 / #28 |
| Bill as share of income | 2.23% | 1.82% | +0.4 points | #24 / #43 |
| Renewable share of generation | 79.5% | 30.8% | +48.7 points | #2 / #20 |
| Major-event outage minutes | 136 | 4 | +132 | #29 / #46 |
| Cooling degree-days, normal year | 672 | 220 | +452 | #29 / #43 |
31 measures compared for South Dakota and Wyoming; the CSV holds the 10 widest.
CSVSouth Dakota and Wyoming on the map
South Dakota and Wyoming: price over time
Home price, South Dakota and Wyoming, 2010 to 2025: 16 rows
| Year | South Dakota | Wyoming | Gap to U.S. |
|---|---|---|---|
| 2010 | 8.97 | 8.77 | -2.57 |
| 2011 | 9.35 | 9.11 | -2.37 |
| 2012 | 10.07 | 9.85 | -1.81 |
| 2013 | 10.26 | 10.16 | -1.87 |
| 2014 | 10.47 | 10.50 | -2.05 |
| 2015 | 11.08 | 10.97 | -1.57 |
| 2016 | 11.47 | 11.13 | -1.08 |
| 2017 | 11.77 | 11.37 | -1.12 |
| 2018 | 11.59 | 11.29 | -1.28 |
| 2019 | 11.55 | 11.18 | -1.46 |
| 2020 | 11.75 | 11.11 | -1.40 |
| 2021 | 12.22 | 11.17 | -1.44 |
| 2022 | 12.09 | 11.09 | -2.95 |
| 2023 | 12.32 | 11.46 | -3.68 |
| 2024 | 12.86 | 12.47 | -3.62 |
| 2025 | 13.38 | 13.38 | -3.92 |
South Dakota 8.97 to 13.38 ¢ and Wyoming 8.77 to 13.38 ¢ between 2010 and 2025 (EIA).
CSVYour bill in South Dakota and in Wyoming
Where South Dakota and Wyoming are alike
- Heating degree-days, normal year: 7,977 and 8,703
- Price change since 2015: +21% and +22%
- Home price 2025, ¢/kWh: 13.38 and 13.38
- Industry price 2025, ¢/kWh: 8.68 and 8.66
- Gas share of generation: 11.2% and 10.2%
Sources and dates: data sources.
Questions
Is South Dakota or Wyoming higher on CO2 per mwh of generation?
Wyoming, by 1,486; they rank #46 and #2 of 51.
Is South Dakota or Wyoming higher on clean share with nuclear?
South Dakota, by 48.7 points; they rank #3 and #36 of 51.
Is South Dakota or Wyoming higher on outage minutes a year?
Wyoming, by 88; they rank #49 and #20 of 50.
Is South Dakota or Wyoming higher on coal share of generation?
Wyoming, by 48.6 points; they rank #28 and #4 of 51.
Is South Dakota or Wyoming higher on price change 2024 to 2025?
Wyoming, by 3.3 points; they rank #32 and #11 of 51.
What would 878 kWh a month cost in South Dakota and in Wyoming?
South Dakota $117, Wyoming $117: $0 apart, energy only.
Where do South Dakota and Wyoming match most closely?
heating degree-days, normal year (7,977 and 8,703); price change since 2015 (+21% and +22%); home price 2025, ¢/kWh (13.38 and 13.38).