Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/6098
EIA plant 6098
Big Stone City · Grant · SD
Big Stone
Operated by Otter Tail Power Co
Published location
Where is Big Stone?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
45.303652, -96.510067
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 SD 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.
1210,133
2120,317
3111,971
479,404
5104,644
6140,019
7184,223
8144,797
9107,341
1032,430
11126,046.01
12204,371
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 | 210,133 |
| 2 | 120,317 |
| 3 | 111,971 |
| 4 | 79,404 |
| 5 | 104,644 |
| 6 | 140,019 |
| 7 | 184,223 |
| 8 | 144,797 |
| 9 | 107,341 |
| 10 | 32,430 |
| 11 | 126,046.01 |
| 12 | 204,371 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 210,133 MWh |
| 2 | 120,317 MWh |
| 3 | 111,971 MWh |
| 4 | 79,404 MWh |
| 5 | 104,644 MWh |
| 6 | 140,019 MWh |
| 7 | 184,223 MWh |
| 8 | 144,797 MWh |
| 9 | 107,341 MWh |
| 10 | 32,430 MWh |
| 11 | 126,046 MWh |
| 12 | 204,371 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Conventional Steam Coal | SUB | 450 | OP |
| D1 | Petroleum Liquids | DFO | 1 | SB |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
6098
Sector
Electric Utility
Water source
Big Stone Lake
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 Big Stone 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 Big Stone
Variation in the published months
Across 12 numeric monthly generation entries, 1 has the highest recorded value (210,133 MWh) and 10 the lowest (32,430 MWh). Their difference is 177,703 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 |
|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | 450.0 | 477.28 | 491.29 | 125.0 |
| D1 | Petroleum Liquids | 1.0 | 0.6 | 0.6 | 0.1 |
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.