Bywatts

Substations in Connecticut

Bywatts lists 132 named substations in Connecticut.

33 additional unnamed substations in Connecticut appear on the map only.

132Named
132Shown
165Total (incl. unnamed)

View Connecticut substations on the map

Weather peril risk for Connecticut sites

9 Connecticut counties carry a FEMA National Risk Index hazard profile, and hurricane is the leading peril in 6 of them. Greater Bridgeport Planning Region ranks highest for modeled catastrophe exposure.

See the full Connecticut county weather risk ranking

Source: FEMA National Risk Index, modeled by Bywatts. Full ranking, insurability signal and methodology at the link.

All 132 named substations in Connecticut

SubstationVoltage class
2ND TAXING DISTRICT·
ANSONIA·
ASH CREEK·
BAIRD·
BALDWIN·
BARBOUR HILL345-499 kV
BATES ROCK·
BEACON FALLS·
BEAN HILL·
BERLIN·
BLACK ROCK·
BLOOMFIELD·
BOKUM·
BRANDFORD·
BRANDFORD RR·
BRIDGEPORT ENERGY·
BRIDGEPORT HARBOR·
BRIDGEPORT RESCO·
BRISTOL·
BROOKLYN·
BUDDINGTON·
BULLS BRIDGE·
BUNKER HILL·
C.H. DEXTER·
CAMPVILLE·
CANAL ST·
CANTON·
CARD`345-499 kV
CARMEL HILL·
CEDAR HEIGHTS·
CHIPPEN HILL·
COMPO·
CONGRESS ST·
COS·
DARIEN·
DERBY·
DEVON·
DOOLEY·
DUDLEY·
EAST HARTFORD·
EAST MERIDEN·
EAST NEW BRITAIN·
ELM WEST·
FARMINGTON·
FLANDERS·
FLAX HILL·
FORESTVILLE·
FRANKLIN DRIVE·
FREIGHT·
FROST BRIDGE345-499 kV
FRY BROOK·
GALES FERRY·
GLENROOK·
GRAND AVE·
GREEN HILL·
HADDAM345-499 kV
HADDAM NECK345-499 kV
HANOVER ST·
HAWTHORNE·
HOPEWELL·
JUNE ST·
LAKE ROAD345-499 kV
LISBON·
LONG MOUNTAIN345-499 kV
MANCHESTER345-499 kV
MANSFIELD·
MIDDLETOWN345-499 kV
MILFORD POWER·
MILVON·
MIX AVE·
MONTVILLE345-499 kV
MYSTIC·
NEW HAVEN HARBOR345-499 kV
NEWINGTOWN·
NEWTOWN·
NO. WALL345-499 kV
NOERA·
NORTH BLOOMFIELD345-499 kV
NORTH CANAAN·
NORTH HAVEN·
NORTHEAST SIMSBURY·
NORWALK·
NORWALK HARBOR·
OLD TOWN·
P & W AIRCRAFT·
PEACEABLE·
PLUMTREE345-499 kV
PORTLAND·
QUINNIPIAC·
RAINBOW·
RIDGEFIELD·
RIVERSIDE DR·
ROCKVILLE·
ROCKY RIVER·
SACKETT·
SALISBURY·
SANDY HOOK·
SASCO CREEK·
SCITICO·
SCOVILL ROCK345-499 kV
SHAW HILLS·
SHEPAUG·
SKUNGAMAUG·
SOUTH END·
SOUTH MEADOW·
SOUTH MEADOW 2·
SOUTH NAUGATUCK·
SOUTH WINDSOR·
SOUTHINGTON345-499 kV
STANLEY·
STEVENSON·
STOCKHOUSE RD·
STONEY HILL·
TAP·
TAP·
TAP·
THOMASTON·
TODD·
TOMAC·
TORRINGTON TERMINAL·
TRAP FALLS·
TRIANGLE·
TUNNEL·
UNCASVILLE·
WATERSIDE·
WEST BROOKFIELD·
WEST SIDE·
WESTON·
WILLIAMS ST·
WILLIMANTIC·
WINDSOR LOCKS·
WOODMONT·

Connecticut at a glance

Connecticut has 68 operating power plants (9.3 GW, led by Natural Gas), 132 named substations, no data centers, 126 solar installers and 28 solar companies on Bywatts; retail electricity sales were 27.6 TWh in 2025 (EIA), down 6.5% over ten years.