Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/4937
EIA plant 4937
Horseshoe Bay · Llano · TX
Thomas C Ferguson
Operated by Lower Colorado River Authority
Published location
Where is Thomas C Ferguson?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
30.558000, -98.372100
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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.
1291,769
2255,408
3318,435
484,211
5308,696
6361,712
7363,534
8364,476
9345,338
10239,481
11359,274
12320,123
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 | 291,769 |
| 2 | 255,408 |
| 3 | 318,435 |
| 4 | 84,211 |
| 5 | 308,696 |
| 6 | 361,712 |
| 7 | 363,534 |
| 8 | 364,476 |
| 9 | 345,338 |
| 10 | 239,481 |
| 11 | 359,274 |
| 12 | 320,123 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 291,769 MWh |
| 2 | 255,408 MWh |
| 3 | 318,435 MWh |
| 4 | 84,211 MWh |
| 5 | 308,696 MWh |
| 6 | 361,712 MWh |
| 7 | 363,534 MWh |
| 8 | 364,476 MWh |
| 9 | 345,338 MWh |
| 10 | 239,481 MWh |
| 11 | 359,274 MWh |
| 12 | 320,123 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| STG | Natural Gas Fired Combined Cycle | NG | 204 | OP |
| CT-1 | Natural Gas Fired Combined Cycle | NG | 185.3 | OP |
| CT-2 | Natural Gas Fired Combined Cycle | NG | 185.3 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
4937
Sector
Electric Utility
Water source
Lake Lyndon B. Johnson
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 Thomas C Ferguson 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 Thomas C Ferguson
Variation in the published months
Across 12 numeric monthly generation entries, 8 has the highest recorded value (364,476 MWh) and 4 the lowest (84,211 MWh). Their difference is 280,265 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 3 numeric rows displayed in this table, MW ranges from 185.3 (CT-1, CT-2) to 204 (STG). The difference is 18.7 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 |
|---|---|---|---|---|---|
| CT-1 | Natural Gas Fired Combined Cycle | 185.3 | 168.0 | 181.0 | 95.0 |
| CT-2 | Natural Gas Fired Combined Cycle | 185.3 | 168.0 | 181.0 | 95.0 |
| STG | Natural Gas Fired Combined Cycle | 204.0 | 180.0 | 194.0 | 75.0 |
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.