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Level 1 Alert lasting longer than 20 minutes or with odors
Notification Only - Flaring incident at Marathon Martinez that may be Seen by the surrounding community.
June 8, 2023, 10:56 pm

RMP - NRG Marsh Landing Generating Station

Antioch, CA

NRG owns and operates the Marsh Landing Generating Station (MLGS), an electric power generating facility built in 2012 that is located east-Northeast in Antioch, CA in Contra Costa County. MLGS is a nominal 760 megawatt (MW) facility consisting of four natural gas combustion turbines operating in simple-cycle mode that run intermittently to support the regional transmission system. MLGS uses Aqueous Ammonia in Selective Catalytic Reduction (SCR) systems to reduce emissions of nitrogen oxides.

Regulated Substances Subject to CalARP/Federal RMP/ISO:

Regulated Substances Program Level CalARP Regulated Federal RMP Regulated ISO Regulated
Aqueous Ammonia 1 yes no no