Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/55581
EIA plant 55581
McCamey · Upton · TX
King Mountain Wind Ranch 1
Operated by FPL Energy Upton Wind LP
Published location
Where is King Mountain Wind Ranch 1?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
31.209200, -102.241700
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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 TX 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.
147,397
267,029
362,909
444,117
540,446
654,326
740,182
834,380
930,778
1046,711
1142,783
1236,655
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 | 47,397 |
| 2 | 67,029 |
| 3 | 62,909 |
| 4 | 44,117 |
| 5 | 40,446 |
| 6 | 54,326 |
| 7 | 40,182 |
| 8 | 34,380 |
| 9 | 30,778 |
| 10 | 46,711 |
| 11 | 42,783 |
| 12 | 36,655 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 47,397 MWh |
| 2 | 67,029 MWh |
| 3 | 62,909 MWh |
| 4 | 44,117 MWh |
| 5 | 40,446 MWh |
| 6 | 54,326 MWh |
| 7 | 40,182 MWh |
| 8 | 34,380 MWh |
| 9 | 30,778 MWh |
| 10 | 46,711 MWh |
| 11 | 42,783 MWh |
| 12 | 36,655 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| EXIS | Onshore Wind Turbine | WND | 278 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55581
Sector
IPP Non-CHP
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 King Mountain Wind Ranch 1 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 King Mountain Wind Ranch 1
Variation in the published months
Across 12 numeric monthly generation entries, 2 has the highest recorded value (67,029 MWh) and 9 the lowest (30,778 MWh). Their difference is 36,251 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 |
|---|---|---|---|---|---|
| EXIS | Onshore Wind Turbine | 278.0 | 278.0 | 278.0 | 14.1 |
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.