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Sutherland — Power plant · Gas, steam turbine · Interstate Power and Light CoEMERSON GLOBAL DATA CENTER — Large load · IA · 3.5 km away
  • Combustion
  • Loads
  • Operating
  • Retired
  • Size not stated
  • 10 · 100 · 1,000 MW

Sutherland

Power plant · Gas, steam turbine

Key facts

Power plant · Gas, steam turbine Retired
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1955
Net generation, 2016
-4,274 MWh
Grid
115 kV to ITC Midwest LLC (MISO)
Location
Marshall County, Iowa

Output

Net generation MWh by year, 2001 to 2017
Fuel burned MMBtu by year, 2001 to 2017
  • Gas
  • Coal
  • Oil

Operations detail

Details

Who’s behind it

Owner
Alliant Energy Corp

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Technology
Gas, steam turbine source: “Natural Gas Steam Turbine”
Age
71 years since 1955
All 3 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Gem
Parents
Name
Alliant Energy Corp
Share pct
100
Gem entity id
E100000001135
Unit ids
G100000109750, G100000109751, G100000109752
Location id
L100000103920
EPA greenhouse gas reporting (GHGRP)
EPA FRS ID
110071160312
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
1001549
Balancing authority codeMISO

Retirement

EIA-860M September 2026StatusEvery generator EIA lists at this plant has retired. As of EIA-860M for September 2026.
Retired
June 2017
First unit retired
November 2010
Capacity retired
156.6 MW
Generators retired
3
GeneratorTechnologyNameplateStateDate
2Conventional Steam Coal37.5 MWRetiredNovember 2010
1Natural Gas Steam Turbine37.5 MWRetiredJune 2017
3Natural Gas Steam Turbine81.6 MWRetiredJune 2017
By technology
TechnologyRetiredScheduled to retire
Natural Gas Steam Turbine119.1 MW
Conventional Steam Coal37.5 MW

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
ITC Midwest LLC
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
MRO
Transmission lines within 25 km (10)
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
Interstate Power and Light Co Operator EIA-860M
ALLIANT ENERGY CORP Owner 100.0% 31 Dec 2023 EPA GHGRP

Timeline

  • Stated Units 1, 3 scheduled to retire, 119.1 MW · EIA-860M
  • Stated Unit 2 scheduled to retire, 37.5 MW · EIA-860M
  • In service · EIA-860M

Sources

6 sources

Sources EIA-860M · GEM · 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

Around this plant

Nearby

within 25 km
ProjectKindAwayMW
EMERSON GLOBAL DATA CENTER Built Large load 3.5 km

Sources EPA ICIS-Air