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216.4 MW Natural Gas operating in Brown, SD — Southwest Power Pool
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
| 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
19.2K MWh
Latest Month
180.5K MWh
Annual Generation
9.5%
Capacity Factor
CO₂ Intensity
975 lb/MWh
NOx
0.772 lb/MWh
SO₂
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
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
SPP North Hub
Node Source
EIA-860 direct report
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ask pi about Groton Generation StationSouthwest Power Pool (SWPP)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
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