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128 MW Solar operating in Pennington, SD
128 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2024
Operating Since
Coordinates
44.0751, -102.8442
County
Pennington, SD
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
See the full risk decomposition + scenarios for this asset.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Geronimo Power | National Grid Renewables | — |
| Owner(s) | National Grid Renewables | National Grid Renewables | — |
| Status | Operating | operating | — |
GEM identifies the owner as National Grid Renewables
This entity is not yet in the GEM ownership database — chain unavailable.
Wild Springs is a 128 MW solar photovoltaic power plant located in Pennington County, South Dakota. The plant, which began operating in 2024, is owned and operated by National Grid Renewables. It utilizes single-axis tracking technology for its solar panels and consists of a single generator. Wild Springs is the largest solar plant in South Dakota and ranks 466th nationally among solar facilities. The plant operates within the Western Area Power Administration - Rocky Mountain Region balancing authority and the MRO NERC region.
In its most recent year of operation, Wild Springs generated 263,684 MWh of electricity, achieving a capacity factor of 23.5%. Financial data for the plant is available from LBNL, though specific details are not provided.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Western Area Power Administration - Rocky Mountain Region (WACM)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
7.7K MWh
Latest Month
263.7K MWh
Annual Generation
23.5%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Historic financial signal for this asset — PPA, LCOE, market value where reported. The base for forward bankability and insurance analytics on the InfraSure platform.
Data from 2024
$27.3/MWh
LCOE
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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