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 37.4 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Wild Springs
Utility Name	National Grid Renewables
Location	Pennington County, SD
Initial Operation Date	June 2024
Last Update	Dec 2025
Annual Generation	263.7 GWh
Annual Consumption	930.7 k MMBtu
Ranked #2,150 out of 12,613 Power Plants Nationwide
Ranked #318 out of 6,463 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

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Summary Information
Plant Name	Wild Springs (67018)
Plant Address	23015 161st Avenue, New Underwood, SD 57761
Utility	National Grid Renewables (62759)
Latitude, Longitude	44.07, -102.84
Generation Dates on File	Jun 2024 to Dec 2025
Initial Operation Date	June 2024
Annual Generation	263.7 GWh
Fuel Types	Solar

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	MRO
Balancing Authority	Western Area Power Administration - Rocky Mountain Region (WACM)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source
Ash Impoundment
Transmission / Distribution Owner	WAPA-- Western Area Power Administration (27000) SD
Grid Voltage	115.00 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Solar Details
Single Axis Tracking	Yes
Azimuth Angle	180
DC Net Capacity	163.77 MW
Thin Film CDTE	Yes
Net Metering Agreement	No
Virtual Net Metering Agreement	No

Owner Name	Address	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Solar.

Rank	Plant Name	Plant Location	Annual Generation
#308	Central Line Solar, LLC	Coolidge, AZ	269.4 GWh
#309	Eland Solar & Storage Center, Phase 2 Hy	Mojave, CA	260.1 GWh
#310	Dougherty County Solar, LLC	Albany, GA	268.2 GWh
#311	Resurgence Solar	Boron, CA	252.8 GWh
#312	Maverick Solar 6, LLC	Desert Center, CA	257.7 GWh
#313	Maverick Solar 4, LLC	Desert Center, CA	265.7 GWh
#314	Elara Solar	Pearsall, TX	265.6 GWh
#315	Imperial Solar Energy Center South	Calexico, CA	264.3 GWh
#316	Sunshine Valley Solar	Armagosa, NV	264.1 GWh
#317	Antelope Expansion 2	Lancaster, CA	263.8 GWh
#319	Catalina Solar LLC	Rosamond, CA	262.2 GWh
#320	CA Flats Solar 130, LLC	Shandon, CA	261.8 GWh
#321	Quartz Solar, LLC	Wynne, AR	261.0 GWh
#322	Milford Solar 1	Milford, UT	260.7 GWh
#323	Wever Solar (150MW)	Wever, IA	260.5 GWh
#324	Hunter Solar LLC (UT)	Clawson, UT	259.6 GWh
#325	West Line Solar, LLC	City of Eloy, AZ	258.6 GWh
#326	Quinto Solar PV Project	Gustine, CA	257.0 GWh
#327	Emerald Grove	Crane, TX	256.3 GWh
#328	Oak Solar	Gaston, NC	256.0 GWh

Below are closest 6 power plants surrounding Wild Springs.

Plant Name	Plant Location	Annual Generation	Distance
Ben French	Rapid City, SD	20.0 GWh	20.9 mi
Fall River Solar, LLC	Edgemont, SD	171.3 GWh	68 mi
Guernsey	Guernsey, WY	18.0 GWh	156.5 mi
Lange Generating Station	Rapid City, SD	115.4 GWh	21.3 mi
Spearfish Hydro	Spearfish, SD	19.9 GWh	57.6 mi
Willow Creek Wind Power LLC	Newell, SD	374.2 GWh	55.3 mi