HAY ROAD

How HAY ROAD compares

With 1,193 MW of capacity, HAY ROAD is the largest of the 22 operating power plants Bywatts maps in Delaware and the largest of the 4 operating Natural Gas plants in the state. It accounts for about 72% of Delaware's operating Natural Gas capacity and 35% of all operating capacity in the state. Nationally it is the 61st-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1989, it is older than 61% of the 21 operating Delaware plants with a recorded commissioning year. Its operator, CALPINE MID-ATLANTIC GENERATION LLC, runs 5 operating plants in Delaware totaling 1,994 MW. It shares New Castle County with 7 other operating plants, including EDGE MOOR and DELAWARE CITY PLANT.

EIA-860 lists 8 generators at the site with 1,098 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 1,791 GWh in 2024 (a 19% capacity factor), down 10% from 2022. Its generators came online between 1989 and 2002.

Grid neighborhood

The nearest named substation is CLAYMONT (230 kV), about 5.1 miles away; the closest transmission line found within 10 miles is a 230 kV line owned by DELMARVA POWER, under 0.1 miles away. Another 30 operating power plants totaling 8,181 MW sit within 25 miles; the largest is PSEG SALEM GENERATING STATION (2,382 MW, Nuclear). Within 50 miles are 4 mapped data centers; the nearest is IPR Wilmington CCC in Wilmington, about 2.2 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