Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/61564
EIA plant 61564
Spencer · Clay · IA
Upland Prairie
Operated by Interstate Power and Light Co
Published location
Where is Upland Prairie?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
43.207406, -95.349397
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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 IA 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.
188,293
296,569
3112,403
4133,119
598,538
685,907
750,189
852,095
979,247
10119,828
1184,273
1291,051
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 | 88,293 |
| 2 | 96,569 |
| 3 | 112,403 |
| 4 | 133,119 |
| 5 | 98,538 |
| 6 | 85,907 |
| 7 | 50,189 |
| 8 | 52,095 |
| 9 | 79,247 |
| 10 | 119,828 |
| 11 | 84,273 |
| 12 | 91,051 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 88,293 MWh |
| 2 | 96,569 MWh |
| 3 | 112,403 MWh |
| 4 | 133,119 MWh |
| 5 | 98,538 MWh |
| 6 | 85,907 MWh |
| 7 | 50,189 MWh |
| 8 | 52,095 MWh |
| 9 | 79,247 MWh |
| 10 | 119,828 MWh |
| 11 | 84,273 MWh |
| 12 | 91,051 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Onshore Wind Turbine | WND | 299.3 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
61564
Sector
Electric Utility
Water source
Unavailable
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 Upland Prairie 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 Upland Prairie
Variation in the published months
Across 12 numeric monthly generation entries, 4 has the highest recorded value (133,119 MWh) and 7 the lowest (50,189 MWh). Their difference is 82,930 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 | Onshore Wind Turbine | 299.3 | 299.3 | 299.3 | 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.