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Angus Anson — Power plant · Gas, combustion turbine · Northern States Power Co - Minnesota
  • Combustion
  • Operating
  • 10 · 100 · 1,000 MW

Angus Anson

Power plant · Gas, combustion turbine

Key facts

Power plant · Gas, combustion turbineran 7% of 2025 Retiring
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1994
Net generation, 2025
238,535 MWh
Grid
115 kV to Northern States Power Co - Minnesota (MISO)
Location
Minnehaha County, South Dakota

Output

Net generation MWh by year, 2001 to 2025
Fuel burned MMBtu by year, 2001 to 2025
  • Gas
  • Oil

Operations detail

Details

Who’s behind it

Owner
Xcel Energy

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Technology
Gas, combustion turbine source: “Natural Gas Fired Combustion Turbine”
Age
32 years since 1994
Heat rate
12,187 Btu/kWh 2025
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
EPA greenhouse gas reporting (GHGRP)
EPA FRS ID
110025317173
Subparts reported
C, D
NAICS code
221112
Subpart PP (CO2 supply)
No
Subpart RR (geologic sequestration)
No
Subpart UU (CO2 injection)
No
Reporting year
2023
GHGRP facility ID
1001097
Fuel burned (MMBtu), 20252,906,956
Capacity factor, 20250.067
Heat rate (Btu/kWh), 202512,186.7
Net generation (MWh), 2025238,535
Balancing authority codeMISO

Retirement

EIA-860M September 2026StatusAt least half of the plant's in-service nameplate capacity is scheduled to retire, on dates its owner has reported to EIA. As of EIA-860M for September 2026.
Next scheduled retirement
December 2029
Last scheduled retirement
December 2040
Capacity scheduled to retire
405.7 MW
Generators scheduled to retire
3
Share of in-service capacity scheduled
100%
Capacity still in service
405.7 MW
GeneratorTechnologyNameplateStateDate
4Natural Gas Fired Combustion Turbine166.3 MWScheduled to retireDecember 2029
1Natural Gas Fired Combustion Turbine119.7 MWScheduled to retireDecember 2040
2Natural Gas Fired Combustion Turbine119.7 MWScheduled to retireDecember 2040

Grid

EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).
Grid voltage at the plant
115 kV
Transmission or distribution system owner
Northern States Power Co - Minnesota
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
MRO
Transmission lines within 25 km (9)
Can the connection be reused?

A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.

Ownership

2 companies2
CompanyRoleShareAs ofSource
Northern States Power Co - Minnesota Operator EIA-860M
Xcel Energy Owner 100.0% 31 Dec 2023 EPA GHGRP

Timeline

  • Stated Units 1, 2 scheduled to retire, 239.4 MW · EIA-860M
  • Stated Unit 4 scheduled to retire, 166.3 MW · EIA-860M
  • In service · EIA-860M

Sources

5 sources

Sources EIA-860M · LBNL · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)

Sources

Every source and license · Attribution

View at source