Interconnection queueIllinois › Storage

Storage Projects in the Illinois Interconnection Queue

Snapshot of 2026-07-30 · 110 projects

110 storage projects are in the interconnection queue with a Illinois location, totalling 8,163 MW across the 110 that publish a capacity.

Grouped from the ISOs' own fuel codes — see the mapping. Codes we could not match to a published definition are left unclassified rather than assigned here.

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By ISO

ISOProjectsCapacity
MISO1108,163 MW

By status, as published

StatusProjects
Withdrawn51
Active51
Pending Revision Approval6
Pending Transfer2

Top counties

CountyProjectsCapacity
Tazewell9918 MW
Sangamon7400 MW
St. Clair6200 MW
Perry5193 MW
Washington4150 MW
Champaign4540 MW
Macon3500 MW
Franklin3500 MW
Rock Island3580 MW
Shelby3260 MW
Jefferson3250 MW
Christian30 MW
McLean30 MW
Coles3140 MW
Clay3300 MW

Where each number came from

ISOWe last readSource last changedSource
MISO2026-07-302026-07-30 (changed this snapshot)source file

Compiled from each ISO's own published interconnection queue report. Queue position is not a permit, a contract, or a guarantee that a project will be built; most projects in every queue are eventually withdrawn. Figures are reproduced as published, are provided for informational purposes only, and carry no warranty of accuracy or completeness. Always verify against the ISO's own report before relying on any figure.

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