Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/1901
EIA plant 1901
Carlton · Carlton · MN
Thomson
Operated by ALLETE, Inc.
Published location
Where is Thomson?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
46.655000, -92.333300
Open the interactive map ↗Map data © OpenStreetMap contributors
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
Grouped from this plant’s represented generator records. Use the MN 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.
133,861
227,138
312,502
442,021
551,033
649,866
737,547
88,687
91,949
105,535
119,757
1210,574
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
| Record | MWh net generation |
|---|---|
| 1 | 33,861 |
| 2 | 27,138 |
| 3 | 12,502 |
| 4 | 42,021 |
| 5 | 51,033 |
| 6 | 49,866 |
| 7 | 37,547 |
| 8 | 8,687 |
| 9 | 1,949 |
| 10 | 5,535 |
| 11 | 9,757 |
| 12 | 10,574 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 33,861 MWh |
| 2 | 27,138 MWh |
| 3 | 12,502 MWh |
| 4 | 42,021 MWh |
| 5 | 51,033 MWh |
| 6 | 49,866 MWh |
| 7 | 37,547 MWh |
| 8 | 8,687 MWh |
| 9 | 1,949 MWh |
| 10 | 5,535 MWh |
| 11 | 9,757 MWh |
| 12 | 10,574 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Conventional Hydroelectric | WAT | 13 | OP |
| 2 | Conventional Hydroelectric | WAT | 13 | OP |
| 3 | Conventional Hydroelectric | WAT | 13 | OP |
| 6 | Conventional Hydroelectric | WAT | 12 | OP |
| 4 | Conventional Hydroelectric | WAT | 10.8 | OP |
| 5 | Conventional Hydroelectric | WAT | 10.8 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
1901
Sector
Electric Utility
Water source
St Louis River
Data edition
2024-final
Use this record
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 Thomson power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Thomson
Variation in the published months
Across 12 numeric monthly generation entries, 5 has the highest recorded value (51,033 MWh) and 9 the lowest (1,949 MWh). Their difference is 49,084 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 6 numeric rows displayed in this table, MW ranges from 10.8 (4, 5) to 13 (1, 2, 3). The difference is 2.2 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | 13.0 | 12.5 | 12.5 | 0.5 |
| 2 | Conventional Hydroelectric | 13.0 | 12.5 | 12.5 | 0.5 |
| 3 | Conventional Hydroelectric | 13.0 | 12.5 | 12.5 | 0.5 |
| 4 | Conventional Hydroelectric | 10.8 | 12.1 | 12.1 | 0.5 |
| 5 | Conventional Hydroelectric | 10.8 | 11.9 | 11.9 | 0.5 |
| 6 | Conventional Hydroelectric | 12.0 | 14.7 | 14.7 | 0.5 |
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.