2. U.S. Power Plants
  3. South Dakota
  4. Pennington County, SD
  5. New Underwood, SD
  6. Wild Springs

Wild Springs

23015 161st Avenue, New Underwood, SD 57761

Plant Summary Information

Wild Springs is ranked #25 out of 49 power plants in South Dakota in terms of total annual net electricity generation.

Wild Springs generated 86.7 GWh during the 3-month period between June 2025 to September 2025.

Plant NameWild Springs
Utility NameNational Grid Renewables
LocationPennington County, SD
Initial Operation DateJune 2024
Last Update Sep 2025
Annual Generation 264.9 GWh
Annual Consumption 1.0 M MMBtu
Ranked #2,115 out of 12,539 Power Plants Nationwide
Ranked #291 out of 6,400 Solar Power Plants Nationwide
Ranked #25 out of 49 South Dakota Power Plants
Ranked #1 out of 3 South Dakota Solar Power Plants
Fuel Types Solar

Map of Wild Springs

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Monthly Net Generation for Wild Springs

Wild Springs Details

Summary Information
Plant NameWild Springs (67018)
Plant Address23015 161st Avenue, New Underwood, SD 57761
UtilityNational Grid Renewables (62759)
Latitude, Longitude44.07, -102.84
Generation Dates on FileJun 2024 to Sep 2025
Initial Operation DateJune 2024
Annual Generation 264.9 GWh
Fuel Types Solar
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusNon-Regulated
NERC RegionMRO
Balancing AuthorityWestern Area Power Administration - Rocky Mountain Region (WACM)
NAICS CodeUtilities (22)
Sector IPP Non-CHP (2)
Water Source
Ash Impoundment
Transmission / Distribution OwnerWAPA-- Western Area Power Administration (27000) SD
Grid Voltage 115.00 kV
Energy StorageNo

* Data obtained from the 2024 EIA 860 Report

Generator WLDSP Details Operating June 2024

TechnologySolar Photovoltaic
Prime MoverPhotovoltaic
OwnershipSingle Owner
Nameplate Capacity128 MW
Summer Capacity128 MW
Winter Capacity128 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 2024
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceSolar
Solar Details
Single Axis TrackingYes
Azimuth Angle180
DC Net Capacity163.77 MW
Thin Film CDTEYes
Net Metering AgreementNo
Virtual Net Metering AgreementNo

Wild Springs Plant Owners

Owner NameAddressOwnership
We couldn't locate any owners for this plant

Power Plants with Similar Net Generation

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#281Elizabeth Solar PlantPitkin, LA274.7 GWh
#282River Fork Solar, LLCAlbion, MI274.2 GWh
#283Honeysuckle Solar FarmNew Carlisle, IN273.7 GWh
#284Central Line Solar, LLCCoolidge, AZ271.0 GWh
#285Antelope Expansion 2Lancaster, CA270.9 GWh
#286Dougherty County Solar, LLCAlbany, GA269.7 GWh
#287East Blackland Solar Project 1Manor, TX269.3 GWh
#288Sunshine Valley SolarArmagosa, NV266.9 GWh
#289Resurgence SolarBoron, CA253.0 GWh
#290Hunter Solar LLC (UT)Clawson, UT265.5 GWh
#292Maverick Solar 4, LLCDesert Center, CA264.8 GWh
#293Darien SolarDarien, WI264.7 GWh
#294Imperial Solar Energy Center SouthCalexico, CA264.3 GWh
#295CA Flats Solar 130, LLCShandon, CA262.5 GWh
#296Catalina Solar LLCRosamond, CA262.2 GWh
#297SerranoMarana, AZ250.5 GWh
#298Milford Solar 1Milford, UT261.9 GWh
#299West Line Solar, LLCCity of Eloy, AZ260.3 GWh
#300Oak SolarGaston, NC259.8 GWh
#301Bellflower Solar 1Lewisville, IN259.3 GWh

Nearby Power Plants

Below are closest 6 power plants surrounding Wild Springs.

Plant NamePlant LocationAnnual GenerationDistance
Ben FrenchRapid City, SD20.8 GWh20.9 mi
Fall River Solar, LLCEdgemont, SD173.7 GWh68 mi
GuernseyGuernsey, WY18.0 GWh156.5 mi
Lange Generating StationRapid City, SD115.4 GWh21.3 mi
Spearfish HydroSpearfish, SD19.9 GWh57.6 mi
Willow Creek Wind Power LLCNewell, SD351.7 GWh55.3 mi