Marathon Bay Area Cogen (10342_TG2)

Marathon Bay Area Cogen is a 40.0 MW gas interconnection project in Contra Costa, California with a current status of operational.

40.0 MWCapacity
OperationalStatus
CISOMarket
GasTechnology

Project facts

Canonical nameMarathon Bay Area Cogen
Queue ID10342_TG2
Statusoperational
Source status(OP) Operating
MarketCISO
TechnologyGas
Capacity40.0 MW
StateCalifornia
CountyContra Costa
Point of interconnection—
Requested (queue) date—
Proposed in-service date—
Operational date1987-02-01
Withdrawn date—
Developer—
Utility / transmission ownerTesoro Marketing & Refining Co. LLC (Martinez)

What changed

ObservedFieldOld valueNew valueMateriality
2026-08-02new_project—operationalhigh

Explore related data

Source last checked2026-10-02
Data last materially changed2026-10-02
Page data generated2026-10-11

Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned). Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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