Martinez Sulfuric Acid Regeneration Plt
Contra Costa County, California · EIA plant ID 52063 · Operator: Eco Services Operations LLC
Nameplate4MWSummer 4 MW
Generators1in service
Net generation13GWh12 mo to Dec 2025
Capacity factor38%other units, summer MW
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online1978
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), other 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) |
|---|---|---|---|
| 2001 | 13.7 | 35.2% | 19,635 |
| 2002 | 10.5 | 28.2% | 13,090 |
| 2003 | 0 | — | — |
| 2004 | 24.8 | — | 5,163 |
| 2005 | 11.9 | — | 5,163 |
| 2006 | 12.3 | — | 5,163 |
| 2007 | 14.5 | — | 5,162 |
| 2008 | 13.3 | — | 5,163 |
| 2009 | 12.8 | — | 5,163 |
| 2010 | 11.4 | 26.3% | 5,162 |
| 2011 | 0.6 | 1.3% | — |
| 2012 | 1.1 | 2.3% | — |
| 2013 | 1 | 2.1% | — |
| 2014 | 0.8 | 1.3% | — |
| 2015 | 13.9 | 39.6% | — |
| 2016 | 13.1 | 37.2% | — |
| 2017 | 10.6 | 30.3% | — |
| 2018 | 10.6 | 30.1% | — |
| 2019 | 13.1 | 37.4% | — |
| 2020 | 10.9 | 31.1% | — |
| 2021 | 13.1 | 37.4% | — |
| 2022 | 17 | 48.5% | — |
| 2023 | 15.6 | 44.5% | — |
| 2024 | 17.3 | 49.2% | — |
| 2025 | 13.4 | 38.3% | — |
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 | All Other | ST | 4 | 4 | Jan 1978 | Operating | — | coming soon |
Owner / operator
Operator: Eco Services Operations LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Eco Services Operations LLC | 100.0% | 4 MW |
Nearby plants
Within 80 km.
| Martinez Refining | 100 MW | 1.6 km |
| Central San | 2 MW | 4.5 km |
| Foster Wheeler Martinez | 114 MW | 4.9 km |
| Valero Refinery Cogeneration Unit 1 | 50 MW | 5.3 km |
| CCCSD Wastewater Treatment Plnt | 4 MW | 5.4 km |
| Lake Herman | 5 MW | 7.7 km |