MWPowerPlantFacts

Data last collected:

EIA plant 6076

Colstrip · Rosebud · MT

Colstrip

Operated by Talen Montana LLC

Annual generation9,028,457 MWhSum of represented EIA-923 rows
Fuel codesSUBCodes retained from EIA records
Grid contextNorthWestern Energy (NWMT)Balancing authority or NERC region

Published location

Where is Colstrip?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

45.883100, -106.614000

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Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

Equipment mix

Operating capacity by technology

TechnologyConventional Steam Coal1,647.4 MW represented

Grouped from this plant’s represented generator records. Use the MT plant index for regional peers.

See the evidence

Electricity output across the year

Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.

1971,828
2884,463
3736,653
4654,989
5194,568
6276,891
7717,939
8918,726
9936,689
10886,315.01
11814,301
121,035,095

MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.

Read the chart as a table
Electricity output across the year — MWh net generation
RecordMWh net generation
1971,828
2884,463
3736,653
4654,989
5194,568
6276,891
7717,939
8918,726
9936,689
10886,315.01
11814,301
121,035,095

2024 monthly net generation

MonthNet generation
1971,828 MWh
2884,463 MWh
3736,653 MWh
4654,989 MWh
5194,568 MWh
6276,891 MWh
7717,939 MWh
8918,726 MWh
9936,689 MWh
10886,315 MWh
11814,301 MWh
121,035,095 MWh

Operating generators

IDTechnologyFuelMWStatus
3Conventional Steam CoalSUB823.7OP
4Conventional Steam CoalSUB823.7OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
6076
Sector
IPP Non-CHP
Water source
Yellowstone River
Data edition
2024-final

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Questions this evidence can answer

01What exactly is this record?

Use the name, place, date and identifiers above to confirm that you have the right Colstrip power plant: capacity and generation | PowerPlantFacts record.

02What does the evidence establish?

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03What should I verify next?

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A closer look at Colstrip

Variation in the published months

Across 12 numeric monthly generation entries, 12 has the highest recorded value (1,035,095 MWh) and 5 the lowest (194,568 MWh). Their difference is 840,527 MWh. Missing months have not been treated as zero.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
3Conventional Steam Coal823.7740.0740.0200.0
4Conventional Steam Coal823.7740.0740.0200.0

EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.

Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.

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