MARIPOSA ENERGY PROJECT

How MARIPOSA ENERGY PROJECT compares

With 200 MW of capacity, MARIPOSA ENERGY PROJECT ranks 72nd among the 874 operating power plants Bywatts maps in California and 42nd of the 190 operating Natural Gas plants in the state. It accounts for about 0.5% of California's operating Natural Gas capacity and 0.3% of all operating capacity in the state. Nationally it is the 540th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2012, it is newer than 63% of the 859 operating California plants with a recorded commissioning year. Its operator, DIAMOND GENERATING CORPORATION, runs 3 operating plants in California totaling 450 MW. It shares Alameda County with 9 other operating plants, including RUSSELL CITY ENERGY CENTER and DYNEGY OAKLAND POWER PLANT.

EIA-860 lists 4 generators at the site with 200 MW of nameplate capacity, all natural gas fired combustion turbine technology. Net generation was 93.4 GWh in 2024 (a 5.3% capacity factor), down 1% from 2022.

Grid neighborhood

The nearest named substation is KELSO, about 0.6 miles away; the closest transmission line found within 10 miles is a 500 kV line owned by PACIFIC GAS & ELECTRIC COMPANY, about 0.3 miles away. Another 21 operating power plants totaling 3,940 MW sit within 25 miles; the largest is DELTA ENERGY CENTER (944 MW, Natural Gas). Within 50 miles are 32 mapped data centers; the nearest is Hurricane Electric Fremont 1 in Fremont, about 27.4 miles away.

Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology