Port Jefferson

Brownfield

Greater Bridgeport Planning Region, Connecticut · NYISO

DC Readiness
56.8
Good / 100

Port Jefferson is a brownfield datacenter candidate site in Greater Bridgeport Planning Region, Connecticut, interconnecting through NYISO. It screens at 56.8/100 DC Readiness with a catalogued 92 MW of candidate capacity and a 3.5 yrs average interconnection-queue wait.

Power & interconnection

Available capacity92 MW
LMP zoneNYISO_LONGIL
Wholesale LMP$61.69/MWh

Speed to power

ISO / RTO regionNYISO
Queue depth426
Avg queue wait3.5 yrs
Recent queue wait3.5 yrs
Completion rate8%
Withdrawal rate92%

Connectivity

Nearest IXPCrown Castle Brentwood (1650 Islip)
IXP distance13.6 mi
Fiber providers2
Nearest cloud providerAWS
Nearest cloud regionus-east-1
Cloud region distance267.9 mi

Site characteristics

Site typeBrownfield
Parcel ownerMarketspan Generation Llc
Land owner typeprivate
Buildability75.0/100
Former useoil
Existing capacity92 MW
Retirement date1997-09-01

Risk & environment

Flood zoneZone X
Water stress (WRI)0.60
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteNATIONAL GRID PORT JEFFERSON POWER STATION
Hazard sub-score70/100
Construction cost index110.8 (avg 100)

Location context

Nearest datacenterCable & Wireless Cable Landing Station
DC distance12.6 mi
Nearest rail0.9 mi
Nearest gas pipeline9.0 mi
Nearest fiber route123.8 mi
County hazard (FEMA NRI)Relatively Low (20)
DC tax incentiveYes (sales_tax_exemption)
Cooling degree days700
Heating degree days5,800
Land price / acre$14,669

Incentive detail: Sales tax exemption on computer & data processing equipment.

Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
34
Speed to power15%
29
Fiber connectivity12%
88
Energy cost10%
30
Water risk8%
92
Natural hazard8%
70
Buildability7%
75
Labor market4%
50
DC cluster4%
80
Land / acreage3%
55
Construction cost3%
58
Gas pipeline2%
71
Tax incentive2%
100
Climate / cooling2%
90

Nearby comparable sites

Other scored datacenter candidate sites in Greater Bridgeport Planning Region, ranked by DC Readiness.

Sites near Port Jefferson
SiteTypeVoltageCapacityQueue waitScore
BRIDGEPORT RESCOSubstation-Adjacent345 kV600 MW3.5 yrs69.7
BRIDGEPORT HARBORSubstation-Adjacent345 kV600 MW3.5 yrs66.8
MILFORD POWERSubstation-Adjacent115 kV100 MW3.5 yrs65.6
MILFORD POWER PROJECTSubstation-Adjacent115 kV100 MW3.5 yrs64.5
TAP140842Substation-Adjacent115 kV100 MW3.5 yrs64.1
COMPOSubstation-Adjacent115 kV100 MW3.5 yrs64.0
TRUMBULLSubstation-Adjacent115 kV100 MW3.5 yrs63.7
UNKNOWN172420Substation-Adjacent115 kV100 MW3.5 yrs63.2

Dataset updated . Screening estimates derived from public data sources.

Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for Port Jefferson, Greater Bridgeport Planning Region. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.