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405.7 MW Natural Gas operating in Minnehaha, SD — Midcontinent Independent Transmission System Operator, Inc..
405.7 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combustion Turbine
Technology
1994
Operating Since
Coordinates
43.6035, -96.6356
County
Minnehaha, SD
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Northern States Power Co - Minnesota | — | — |
| Owner(s) | Northern States Power Co - Minnesota | — | — |
| Status | Operating | — | — |
Angus Anson is a 405.7 MW natural gas-fired power plant located in Minnehaha County, South Dakota. The plant, which began operating in 1994, is owned and operated by Northern States Power Co - Minnesota. It consists of three natural gas-fired combustion turbine generators. Angus Anson is the largest of six power plants in South Dakota, and ranks 545th out of 945 plants nationally.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority. In the most recent year with available data, Angus Anson generated 237,297 MWh of electricity, achieving a capacity factor of 6.6%. Financial data indicates an installed cost of $305.56 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
9.6K MWh
Latest Month
237.3K MWh
Annual Generation
6.6%
Capacity Factor
CO₂ Intensity
1525 lb/MWh
NOx
0.607 lb/MWh
SO₂
Gas turbine · Northern States Power Company (Minnesota) · Data from 2015–2024
$392/kW
Installed Cost
$2/kW
Annual CapEx
$44.7/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
NSP ANSON ANSON_4_UNIT
Pricing Hub
MINN.HUB
Node Source
EIA-860 direct report
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Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.008 lb/MWh
CH₄
0.027 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
6.5%
Annual Net Gen
232 GWh
CO₂eq
1526 lb/MWh
Subregion
MRO West