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DuPage County

3 data center projects we know about. 46 villages, cities and townships.

Built & runningBeing builtApproved, not built yetProposedStopped or cancelled

Projects

Stopped or cancelled

Karis Critical data center at former Lucent campus (Naperville)

Naperville, DuPage County

🕒 Jan 20, 2026: Naperville City Council voted 6-1 to deny the data center after months of debate and a p…

Stopped or cancelled

Cloud Centers data center at former Lockformer site (711 Ogden Ave., Lisle)

Lisle, DuPage County

18 acres

🕒 March 2026: Developer told the village it withdrew its application.

Being built

CyrusOne data center campus (Bryn Mawr Avenue, Wood Dale)

Wood Dale, DuPage County

62 acres

🕒 May 2025: CyrusOne finished the frame of the first 18-megawatt building.

Reported in the news, not confirmed yet

Local votes and rules

⏸️ Pause on new data centers · West Chicago

City council voted 12-0 to pause new permits and approvals for data centers and battery storage sites for 180 days while it studies new rules. A data center was already being built on Washington Street.

July 6, 2026Source

✋ Turned down · Naperville

City council voted 6-1 (two abstained) to deny a special permit for a Karis Critical data center on about 41 acres at 1960 Lucent Lane. The plan commission had recommended approval. More than 5,000 people signed a petition against it.

Jan 20, 2026Source

Find your town

In Illinois, cities and towns decide inside their limits. Outside them, the county decides.