2. United States
  3. South Dakota
  4. Pennington County, SD

Summary of Electricity Activity in Pennington County, SD

Summary of Pennington County, SD Generation

Pennington County, SD is ranked #1,056 out of 2,156 U.S. counties nationwide and #14 out of 30 South Dakota counties in terms of total annual net electricity generation.

Annual Generation 401.7 GWh
Annual Consumption 2.7 M MMBtu
Last UpdateJun 2025
Power Plants3
Companies on File2

Map of Top Producing Plants in Pennington County, SD

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Overall National Rank

#1,056 /2,156 U.S. Counties

In Net Annual Generation

Overall State Rank

#14 /30 South Dakota Counties

In Net Annual Generation

Overall Annual Net Geneneration

401.7 GWh

Total Annual Fuel Consumption

2.7 M MMBtu

Electric Companies in Pennington County, SD

2

Pennington County, SD
Power Plants

3

Annual Net Generation From solar power

269.7 GWh

National Rank in Terms of solar Net Electricity Generation

#219 /1,217 U.S. Counties

State Rank in Terms of solar Net Electricity Generation

#1 /3 South Dakota Counties

Monthly Net Generation for Pennington County, SD

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Net Generation by Fuel Source

Solar
Natural Gas
67.1%32.9%

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#14 / 30#1056 / 2156401.71 GWh2.72 M MMBtu
Solar#1 / 3#219 / 1217269.66 GWh1.03 M MMBtu
Natural Gas#5 / 9#508 / 926132.28 GWh1.68 M MMBtu

* Data is based on 12 months since Jun 2025.

Power Plants in Pennington County, SD

PlantUtility NameGenerationConsumptionFuel Types
Wild SpringsNational Grid Renewables269.7 GWh1.0 M MMBtu Solar
Lange Generating StationBlack Hills Power, Inc.115.4 GWh1.4 M MMBtu Natural Gas
Ben FrenchBlack Hills Power, Inc.16.7 GWh299.4 k MMBtu Natural Gas : 99.3%
* Data is based on the last 12 months since Jun 2025.
View All Plants in South Dakota

Electricity Generation for Neighboring Counties

National RankCountyNet Generation# Power Plants
#1091Butte County367.9 GWh1
#1956Cherry County5.6 GWh1
#1310Fall River County176.5 GWh1
#1782Lawrence County19.9 GWh1

* Net Generation data is based on the last 12 months since Jun 2025

Electricity Generation for Cities Located in Pennington County, SD

State RankCityNet Generation# Power Plants
#21New Underwood, SD269.7 GWh1
#26Rapid City, SD132.1 GWh2

* Net Generation data is based on the last 12 months since Jun 2025