Power plant · EIA plant code 66335
Timmerman Power Plant
- Operator
- Lower Colorado River Authority
- Location
- Caldwell, TX (county level only)
- Balancing authority
- Electric Reliability Council of Texas, Inc. (ERCO)
- Nameplate capacity
- 180 MW
- Summer capacity
- 180 MW
Planned changes reported to EIA: 10 proposed generators.
U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 10, 2027. Last checked for an update: Oct 31, 2026.
Generation in 2025
- Net generation
- 207,892 MWh
- Capacity factor
- 31.5%
Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.
U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 11, 2027. Last checked for an update: Oct 31, 2026.
Emissions
This plant is not in eGRID2023 (revision 2).
U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Jan 31, 2026. Last checked for an update: Oct 31, 2026.
Generators
| Generator | Technology | Energy source | Nameplate | Operating since | Status |
|---|---|---|---|---|---|
| G1 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G10 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G11 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G12 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G13 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G14 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G15 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G16 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G17 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G18 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G19 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G2 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G20 | Natural Gas Internal Combustion Engine | NG | 18.8 MW | Proposed, planned start 2026 · As of September 2026 (EIA-860M): (OP) Operating | |
| G3 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G4 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G5 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G6 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G7 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G8 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| G9 | Natural Gas Internal Combustion Engine | NG | 18 MW | 2025 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Nov 23, 2026. Last checked for an update: Oct 31, 2026.