Watkins Manufacturing Co.
San Diego County, California · EIA plant ID 57715 · Operator: Watkins Manufacturing Corporation
Nameplate2MWSummer 2 MW
Generators2in service
Net generation8GWh12 mo to Aug 2026
Capacity factor43%gas/coal/oil units, summer MW
Heat rate12,841Btu/kWhfossil units, electric fuel, HHV
First online2001Runs as intermediate
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2011 | 0 | 0.0% | 24,490 |
| 2012 | 3.4 | 19.1% | 23,914 |
| 2013 | 3.2 | 18.0% | 26,157 |
| 2014 | 2.9 | 16.4% | — |
| 2015 | 0.6 | 3.5% | — |
| 2016 | 4.3 | 24.4% | 20,445 |
| 2017 | 3.3 | 18.9% | 22,239 |
| 2018 | 3.6 | 20.6% | 20,670 |
| 2019 | 2.5 | 14.4% | 19,689 |
| 2020 | 5.4 | 30.8% | 12,732 |
| 2021 | 7 | 39.9% | 12,658 |
| 2022 | 9 | 51.3% | 12,664 |
| 2023 | 4.7 | 26.6% | 12,678 |
| 2024 | 5.4 | 30.8% | 12,588 |
| 2025 | 7.4 | 42.2% | 12,856 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Natural Gas Internal Combustion Engine | IC | 1 | 1 | Nov 2001 | Operating | — | coming soon |
| GEN2 | Natural Gas Internal Combustion Engine | IC | 1 | 1 | Nov 2001 | Operating | — | coming soon |
Owner / operator
Operator: Watkins Manufacturing Corporation. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Watkins Manufacturing Corporation | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| Life Technologies Carlsbad | 1 MW | 4.7 km |
| San Diego - NCRC at Vista | 2 MW | 5.4 km |
| Vista Energy Storage System | 40 MW | 6.9 km |
| Legoland CA Phase I | 1 MW | 6.9 km |
| Melrose BESS | 20 MW | 7.2 km |
| Encina Water Pollution Control | 3 MW | 8.4 km |