skip to content, health centers and clinics, search, accessibility statement

RMP - Calpine - Los Medanos Energy Center (LMEC)

Pittsburg, CA


Calpine Corporation operates the Los Medanos Energy Center (LMEC), a nominal 500-megawatt power plant located in Pittsburg, CA. The plant is a merchant facility marketing electrical power on the open power exchange market and ancillary service support to the California Independent Systems Operator (CAL-ISO) grid. Aqueous Ammonia is used in selective catalytic reduction operations to reduce air pollution emissions.

For additional information regarding this facility's operations and most recent audit results, please view the Audit Summary | Spanish (PDF).

Regulated Substances Subject to CalARP/Federal RMP/ISO:
Regulated Substance Program Level CalARP Regulated Federal RMP Regulated ISO Regulated
Aqueous Ammonia (PDF) 2 yes yes no