Skip to content
Gridcensus

Electric Substations in Connecticut

300 catalogued substations in Connecticut, with the highest-voltage facilities listed first. Each substation profile shows voltage class, operator, connected transmission lines, and the datacenter candidate sites closest to it.

SubstationMax voltageConnected linesOperator
BARBOUR HILL345 kV7
KILLINGLY345 kV6
BRIDGEPORT HARBOR345 kV6
NORTH BLOOMFIELD345 kV9
SCOVILL ROCK345 kV5
LONG MOUNTAIN345 kV4
TAP136499345 kV2
BRIDGEPORT RESCO345 kV4
NEW HAVEN HARBOR345 kV7
SOUTHINGTON345 kV14
NO. WALL345 kV4
HADDAM345 kV7
MONTVILLE345 kV13
KLEEN345 kV3
HADDAM NECK345 kV3
CARD`345 kV9
FROST BRIDGE345 kV10
PLUMTREE345 kV6
MANCHESTER345 kV10
MILLSTONE345 kV10
LAKE ROAD345 kV4
BOKUM115 kV5
GREEN HILL115 kV2
TAP135700115 kV3
SASCO CREEK115 kV2
BRANDFORD115 kV4
DARIEN115 kV2
FLAX HILL115 kV2
NORWALK115 kV5
NORWALK HARBOR115 kV5
TAP135698115 kV3
BRISTOL115 kV2
TRACY115 kV3
BRANDFORD RR115 kV2
SALISBURY115 kV2
CAMPVILLE115 kV5
TUNNEL115 kV7
DUDLEY115 kV1
BEAN HILL115 kV2
STOCKHOUSE RD115 kV2
WEST SIDE115 kV2
STEPSTONE115 kV2
BERLIN115 kV6
HANOVER ST115 kV2
WEST RIVER115 kV4
PORTLAND115 kV3
P & W AIRCRAFT115 kV2
GRAND AVE115 kV2
FRANKLIN DRIVE115 kV3
CANAL ST115 kV2
FORESTVILLE115 kV2
TAP136415115 kV3
BLACK ROCK115 kV3
FARMINGTON115 kV2
EAST NEW BRITAIN115 kV2
NEWINGTON115 kV3
SOUTH MEADOW115 kV6
RIVERSIDE DR115 kV2
EAST HARTFORD115 kV2
TAP136414115 kV3

See datacenter candidate sites in Connecticut

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for substations in Connecticut. 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.