Bywatts

Substations in Illinois

Bywatts lists 344 named substations in Illinois.

766 additional unnamed substations in Illinois appear on the map only.

344Named
344Shown
1,110Total (incl. unnamed)

View Illinois substations on the map

Weather peril risk for Illinois sites

102 Illinois counties carry a FEMA National Risk Index hazard profile, and earthquake is the leading peril in 38 of them. Douglas County ranks highest for modeled catastrophe exposure.

See the full Illinois county weather risk ranking

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

All 344 named substations in Illinois

SubstationVoltage class
BEDFORD PARK345-499 kV
BRAIDWOOD345-499 kV
BYRON345-499 kV
CHERRY VALLEY345-499 kV
COLLINS735+ kV
DAVIS CREEK345-499 kV
EAST FRANKFORT345-499 kV
EASY ROAD345-499 kV
ELWOOD345-499 kV
GOODINGS GROVE345-499 kV
JOLIET345-499 kV
LA SALLE345-499 kV
LINCOLN345-499 kV
LOCKPORT345-499 kV
NELSON345-499 kV
NORTHBROOK345-499 kV
PLANO735+ kV
PLEASANT VALLEY345-499 kV
SILVER LAKE345-499 kV
SKOKIE345-499 kV
SKOKIE·
STERLING STEEL345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
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TAP·
TAP·
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TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP·
TAP·
TAP·
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
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TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
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TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
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TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP345-499 kV
TAP·
TAP345-499 kV
TAP345-499 kV
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
TAP·
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TAP·
TAP·
TAP·
TAP345-499 kV
TAP·
TOLLWAY345-499 kV
TOP CROP345-499 kV
WAYNE345-499 kV
WEMPLETOWN345-499 kV
WILTON735+ kV
WILTON (345KV)345-499 kV
ZION345-499 kV
ZION ENERGY CENTER345-499 kV

Illinois at a glance

Illinois has 158 operating power plants (40.9 GW, led by Natural Gas), 344 named substations, 9 data centers, 259 solar installers and 112 solar companies on Bywatts; retail electricity sales were 135.4 TWh in 2025 (EIA), down 2.3% over ten years.