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 48.3 GWh during the 3-month period between December 2025 to March 2026.

Plant Name	Wild Springs
Utility Name	National Grid Renewables
Location	Pennington County, SD
Initial Operation Date	June 2024
Last Update	Mar 2026
Annual Generation	264.9 GWh
Annual Consumption	977.3 k MMBtu
Ranked #2,149 out of 12,332 Power Plants Nationwide
Ranked #325 out of 6,397 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 Mar 2026
Initial Operation Date	June 2024
Annual Generation	264.9 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
#315	Boulder Solar Power, LLC	Boulder City, NV	274.5 GWh
#316	Honeysuckle Solar Farm	New Carlisle, IN	273.6 GWh
#317	Kiowa County Solar Project, LLC	Snyder, OK	273.5 GWh
#318	Powell Creek Solar	Miller City, OH	272.8 GWh
#319	Dougherty County Solar, LLC	Albany, GA	268.8 GWh
#320	Pleasant Creek Unit 2	Palo, IA	268.1 GWh
#321	Wood County	Nekoosa, WI	267.7 GWh
#322	Prairie Ronde Solar Farm	Opelousas, LA	267.5 GWh
#323	Resurgence Solar	Boron, CA	251.5 GWh
#324	CA Flats Solar 130, LLC	Shandon, CA	264.9 GWh
#326	Imperial Solar Energy Center South	Calexico, CA	264.3 GWh
#327	Elara Solar	Pearsall, TX	263.3 GWh
#328	Milford Solar 1	Milford, UT	263.1 GWh
#329	Wever Solar (150MW)	Wever, IA	262.6 GWh
#330	Catalina Solar LLC	Rosamond, CA	262.2 GWh
#331	Central Line Solar, LLC	Coolidge, AZ	262.2 GWh
#332	Fish Springs	Reno, NV	257.2 GWh
#333	Sunshine Valley Solar	Armagosa, NV	259.1 GWh
#334	Rosamond South 1	Rosamond, CA	243.8 GWh
#335	Quinto Solar PV Project	Gustine, CA	257.0 GWh

Below are closest 6 power plants surrounding Wild Springs.

Plant Name	Plant Location	Annual Generation	Distance
Ben French	Rapid City, SD	13.5 GWh	20.9 mi
Fall River Solar, LLC	Edgemont, SD	169.2 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	365.9 GWh	55.3 mi