NEW HAVEN HARBOR

How NEW HAVEN HARBOR compares

With 642 MW of capacity, NEW HAVEN HARBOR ranks 5th among the 68 operating power plants Bywatts maps in Connecticut and is the largest of the 10 operating Oil plants in the state. It accounts for about 39% of Connecticut's operating Oil capacity and 6.9% of all operating capacity in the state. Nationally it is the 9th-largest of the 544 operating Oil plants in the database. Commissioned in 1975, it is older than 71% of the 66 operating Connecticut plants with a recorded commissioning year. Its operator, PSEG POWER CONNECTICUT LLC, runs 2 operating plants in Connecticut totaling 1,223 MW. It shares South Central Connecticut Planning Region with 7 other operating plants, including MILFORD POWER PROJECT and WALLINGFORD ENERGY.

EIA-860 lists 4 generators at the site with 642 MW of nameplate capacity, all petroleum liquids technology. Net generation was 32.5 GWh in 2024 (a 0.6% capacity factor). Its generators came online between 1975 and 2012.

Grid neighborhood

The nearest named substation is NEW HAVEN HARBOR (345 kV), about 0.3 miles away; the closest transmission line found within 10 miles is a 115 kV line, under 0.1 miles away. Another 21 operating power plants totaling 4,350 MW sit within 25 miles; the largest is KLEEN ENERGY SYSTEMS PROJECT (693 MW). Within 50 miles are 2 mapped data centers; the nearest is Crown Castle Brentwood (1650 Islip) in Brentwood, about 38.2 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