Lake County IL eight-month data center moratorium (2026)
Lake County, IL — County Board Unanimous Eight-Month Data Center Moratorium in Unincorporated Areas (September 8, 2026)
Lake County, IL · Lake Cnty., Ill. — Eight-Month Data Center Moratorium (Sept. 8, 2026)
- Status
- In effect
- Expires
- May 11, 2027
- Applies to
- Applicants for data center approvals in unincorporated Lake County, IL; Lake County Planning, Building and Development staff.
- Enforced by
- Lake County (IL) Planning, Building and Development / Lake County Board
The Lake County Board voted unanimously on September 8, 2026 to put new data centers in unincorporated Lake County on hold for eight months. The moratorium lifts on May 11, 2027, or earlier if the county adopts data center regulations before then — the pause is tied to finishing the work, not just running out the clock. The county paired it with an immediate administrative deferral that can hold applications for up to 120 days, so the two instruments together reach close to a year of coverage without the board having to adopt a year-long moratorium outright. The sequence began on June 9, 2026, when the board approved a resolution sending draft changes to the Lake County Unified Development Ordinance to the Zoning Board of Appeals and proposing the eight-month pause; the ZBA unanimously recommended it on August 18. County leaders said the time is for planners to study long-term effects on electricity, water and roads as AI-ready campuses spread across Chicago's northern suburbs. Lake County sits between Chicago and the Wisconsin border.
Who is protected: Residents of unincorporated Lake County, Illinois, through an eight-month pause on data center applications and development while the county studies electricity, water and road impacts and drafts development restrictions. Incorporated municipalities are outside its scope.
Legal detail
Lake County, Ill. County Board eight-month moratorium on data center applications and development in unincorporated Lake County, adopted unanimously September 8, 2026. Scheduled to lift May 11, 2027, with early termination if the County Board adopts data center development regulations before that date. Paired instrument: an immediate Temporary Administrative Deferral of data center applications in unincorporated Lake County, capable of pausing applications for up to 120 days, which together with the moratorium extends effective coverage toward a full year. Procedural chain: June 9, 2026 board resolution transmitting draft Unified Development Ordinance amendments to the Zoning Board of Appeals and proposing the eight-month moratorium; August 18, 2026 unanimous ZBA recommendation; September 8, 2026 unanimous County Board adoption. Stated purpose: evaluate data centers as an emerging land use, review best practices, and assess infrastructure and environmental considerations — electricity, water and roads — with the goal of enacting development restrictions for future proposals in unincorporated areas. Jurisdictional scope is unincorporated county-zoned land only. DISAMBIGUATION: distinct from Lake County IN Data Center Zoning Standards (Lake County, INDIANA) already in this dataset, and from Lake County, FLORIDA, whose separate one-year moratorium was still pending final adoption as of this verification. Ordinance/resolution number not obtained.
Key facts
| Jurisdiction | Lake County, IL |
|---|---|
| Level | County |
| Strength | Moderate |
| Enacted | September 8, 2026 |
| Citation | Lake Cnty., Ill. — Eight-Month Data Center Moratorium (Sept. 8, 2026) |
| Private right of action | No, agency enforcement only |
| Penalties | Data center applications are not accepted or approved in unincorporated areas during the moratorium |
| Topics | data-center siting and energy · government use of AI |
| News report | Lake County approves 8-month moratorium on data center applications, development — Daily Herald |
Related data-center siting and energy rules elsewhere
- Superior WI Data Center Moratorium (1-year) · In effect
- Dane County WI Hyperscale Data Center Moratorium · In effect
- Madison WI Data Center Moratorium (1-year) · In effect
- Manitowoc County WI Data Center Moratorium · In effect
- WA SB 5982 (Data Center / Clean Energy) · In effect
- Dayton OH data center moratorium (180-day, Apr 2026) · In effect
See something wrong or out of date? Submit a correction. Every entry must carry a verifiable source.