HAYNES

How HAYNES compares

With 1,619 MW of capacity, HAYNES ranks 5th among the 874 operating power plants Bywatts maps in California and 3rd of the 190 operating Natural Gas plants in the state. It accounts for about 4.4% of California's operating Natural Gas capacity and 2.2% of all operating capacity in the state. Nationally it is the 26th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1962, it is older than 89% of the 859 operating California plants with a recorded commissioning year. Its operator, LOS ANGELES DEPARTMENT OF WATER & POWER, runs 25 operating plants in California totaling 5,537 MW. It shares Los Angeles County with 110 other operating plants, including AES ALAMITOS LLC and CASTAIC.

EIA-860 lists 11 generators at the site with 1,739 MW of nameplate capacity, led by natural gas fired combustion turbine technology. Net generation was 2,526 GWh in 2024 (a 17% capacity factor), down 1% from 2022. Its generators came online between 1962 and 2013.

Grid neighborhood

The nearest named substation is HAYNES (230 kV), about 0.2 miles away; the closest transmission line found within 10 miles is a 230 kV line, about 0.1 miles away. Another 50 operating power plants totaling 6,572 MW sit within 25 miles; the largest is AES ALAMITOS LLC (1,997 MW, Natural Gas). Within 50 miles are 16 mapped data centers; the nearest is OCDC Orange County Datacenter Santa Ana in Santa Ana, about 14.4 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