Washington County County, Illinois — Interconnection Projects

The interXdata warehouse tracks 6 interconnection projects in Washington County, Illinois, representing 855 MW of requested capacity.

6Total projects
0Active
2Operational
4Withdrawn
855 MWRequested capacity

Technology mix

TechnologyProjectsRequested capacity
Solar6855 MW

Projects

ProjectQueue IDTechnologyCapacityStatusLocation
Ashley 138 kV SubstationJ1216Solar250.0 MWoperationalWashington County, Illinois
Ashley-Turkey Hill Line 1482, between the Okawville and North Nashville substationsJ1225Solar160.0 MWwithdrawnWashington County, Illinois
Prest 138kV Switching StationJ1301Solar150.0 MWwithdrawnWashington County, Illinois
Prest 138kV Switching StationJ1094Solar150.0 MWoperationalWashington County, Illinois
Fayetteville - Marigold 138 kV Line TapJ1035Solar75.0 MWwithdrawnWashington County, Illinois
Ashley 138 kV SubstationJ797Solar70.0 MWwithdrawnWashington County, Illinois

Top developers

Developer attribution is not yet resolved for this set.

Explore related data

Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: MISO — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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