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216.4 MW Natural Gas operating in Brown, SD
216.4 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2006
Operating Since
Coordinates
45.3733, -98.0982
County
Brown, SD
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Basin Electric Power Coop | — | — |
| Owner(s) | Basin Electric Power Coop | — | — |
| Status | Operating | — | — |
Groton Generation Station is a 216.4 MW natural gas-fired power plant located in Brown County, South Dakota. The plant began operating in 2006 and is owned and operated by Basin Electric Power Cooperative. It utilizes natural gas-fired combustion turbine technology and consists of two generators. Groton Generation Station is the fourth-largest power plant in South Dakota out of six total plants, and ranks 735th nationally out of 945 plants.
The plant operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. In the latest year of reported generation data, the plant produced 180,479 MWh, resulting in a capacity factor of 9.5%. Financial data indicates an installed cost of $669.2 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
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.
19.2K MWh
Latest Month
180.5K MWh
Annual Generation
9.5%
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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CO₂ Intensity
975 lb/MWh
NOx
0.772 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.023 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
10.7%
Annual Net Gen
202 GWh
CO₂eq
977 lb/MWh
Subregion
MRO West
Gas turbine · basin electric power cooperative (pudl determined) · Data from 2019–2024
$737/kW
Installed Cost
$6/kW
Annual CapEx
$81.8/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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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Point of Interconnection
Nearest Substation
Groton Substation · 345 kV
Substation Distance
< 10 km
Operator
Western Area Power Administration
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
WAUEGROTONUNGROTON_1_UNIT_RA
Pricing Hub
SPPNORTH_HUB
Node Source
EIA-860 direct report
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.
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