Summary of Electricity Activity in Pennington County, SD
Summary of Pennington County, SD Generation
Pennington County, SD is ranked #1,074 out of 2,164 U.S. counties nationwide and #14 out of 30 South Dakota counties in terms of total annual net electricity generation.
| Annual Generation | 401.0 GWh |
|---|---|
| Annual Consumption | 2.8 M MMBtu |
| Last Update | Sep 2025 |
| Power Plants | 3 |
| Companies on File | 2 |
Map of Top Producing Plants in Pennington County, SD
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Annual Net Generation From solar power
264.9 GWh
National Rank in Terms of solar Net Electricity Generation
#243 /1,233 U.S. Counties
State Rank in Terms of solar Net Electricity Generation
#1 /3 South Dakota Counties
Monthly Net Generation for Pennington County, SD
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #14 / 30 | #1074 / 2164 | 401.03 GWh | 2.76 M MMBtu |
| Solar | #1 / 3 | #243 / 1233 | 264.86 GWh | 1.00 M MMBtu |
| Natural Gas | #5 / 9 | #506 / 929 | 136.39 GWh | 1.75 M MMBtu |
Power Plants in Pennington County, SD
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Wild Springs | National Grid Renewables | 264.9 GWh | 1.0 M MMBtu | Solar |
| Lange Generating Station | Black Hills Power, Inc. | 115.4 GWh | 1.4 M MMBtu | Natural Gas |
| Ben French | Black Hills Power, Inc. | 20.8 GWh | 370.5 k MMBtu | Natural Gas : 99.5% |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1123 | Butte County | 351.7 GWh | 1 |
| #1966 | Cherry County | 5.6 GWh | 1 |
| #1340 | Fall River County | 173.7 GWh | 1 |
| #1790 | Lawrence County | 19.9 GWh | 1 |
* Net Generation data is based on the last 12 months since Sep 2025
Electricity Generation for Cities Located in Pennington County, SD
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #21 | New Underwood, SD | 264.9 GWh | 1 |
| #26 | Rapid City, SD | 136.2 GWh | 2 |
* Net Generation data is based on the last 12 months since Sep 2025