Summary of Electricity Activity in Pennington County, SD
Summary of Pennington County, SD Generation
Pennington County, SD is ranked #1,085 out of 2,166 U.S. counties nationwide and #14 out of 30 South Dakota counties in terms of total annual net electricity generation.
| Annual Generation | 399.1 GWh |
|---|---|
| Annual Consumption | 2.7 M MMBtu |
| Last Update | Dec 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
263.7 GWh
National Rank in Terms of solar Net Electricity Generation
#253 /1,247 U.S. Counties
State Rank in Terms of solar Net Electricity Generation
#1 /3 South Dakota Counties
Monthly Net Generation for Pennington County, SD
Monthly Plant Fuel Consumption 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 | #1085 / 2166 | 399.07 GWh | 2.70 M MMBtu |
| Solar | #1 / 3 | #253 / 1247 | 263.68 GWh | 930.67 k MMBtu |
| Natural Gas | #5 / 9 | #509 / 928 | 135.61 GWh | 1.77 M MMBtu |
Power Plants in Pennington County, SD
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Wild Springs | National Grid Renewables | 263.7 GWh | 930.7 k MMBtu | Solar |
| Lange Generating Station | Black Hills Power, Inc. | 115.4 GWh | 1.4 M MMBtu | Natural Gas |
| Ben French | Black Hills Power, Inc. | 20.0 GWh | 382.6 k MMBtu | Natural Gas : 99.4% |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1104 | Butte County | 374.2 GWh | 1 |
| #1972 | Cherry County | 5.6 GWh | 1 |
| #1346 | Fall River County | 171.3 GWh | 1 |
| #1794 | Lawrence County | 19.9 GWh | 1 |
Electricity Generation for Cities Located in Pennington County, SD
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #21 | New Underwood, SD | 263.7 GWh | 1 |
| #26 | Rapid City, SD | 135.4 GWh | 2 |