Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/55749
EIA plant 55749
Hardin · Big Horn · MT
Hardin Generator Project
Operated by Heorot Power Management
Published location
Where is Hardin Generator Project?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
45.757800, -107.600000
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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
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.
159,555
257,637
359,555
446,325
56,380
60
712,890
850,085
939,833
1058,077
1140,928
1249,736
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 | 59,555 |
| 2 | 57,637 |
| 3 | 59,555 |
| 4 | 46,325 |
| 5 | 6,380 |
| 6 | 0 |
| 7 | 12,890 |
| 8 | 50,085 |
| 9 | 39,833 |
| 10 | 58,077 |
| 11 | 40,928 |
| 12 | 49,736 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 59,555 MWh |
| 2 | 57,637 MWh |
| 3 | 59,555 MWh |
| 4 | 46,325 MWh |
| 5 | 6,380 MWh |
| 6 | 0 MWh |
| 7 | 12,890 MWh |
| 8 | 50,085 MWh |
| 9 | 39,833 MWh |
| 10 | 58,077 MWh |
| 11 | 40,928 MWh |
| 12 | 49,736 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| UNT1 | Conventional Steam Coal | SUB | 115.7 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55749
Sector
IPP Non-CHP
Water source
Bighorn 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 Hardin Generator Project 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 Hardin Generator Project
Variation in the published months
Across 12 numeric monthly generation entries, 1, 3 has the highest recorded value (59,555 MWh) and 6 the lowest (0 MWh). Their difference is 59,555 MWh. Missing months have not been treated as zero.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| UNT1 | Conventional Steam Coal | 115.7 | 107.0 | 107.0 | 50.0 |
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.