Substations in Iowa

Bywatts lists 11 named substations in Iowa.

458 additional unnamed substations in Iowa appear on the map only.

11Named

11Shown

469Total (incl. unnamed)

Weather peril risk for Iowa sites

99 Iowa counties carry a FEMA National Risk Index hazard profile, and heat wave is the leading peril in 44 of them. Ringgold County ranks highest for modeled catastrophe exposure.

See the full Iowa county weather risk ranking

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

All 11 named substations in Iowa

Substation	Voltage class
TAP	·
TAP	100-229 kV
TAP	100-229 kV
TAP	100-229 kV
TAP	100-229 kV
TAP	·
TAP	·
TAP	·
TAP	·
TAP	·
WISDOM	100-229 kV

Iowa at a glance

Iowa has 198 operating power plants (15.5 GW, led by Coal), 11 named substations, no data centers, 56 solar installers and 19 solar companies on Bywatts; retail electricity sales were 58.6 TWh in 2025 (EIA), up 24.2% over ten years.