# T5 Chicago IV (CHI IV) > Under construction: a 1200 MW data center in Lake County, Illinois, from the Kapwork Grow tracker (1 source). Sources and dates on every fact. Page: https://kapwork.com/grow/directory/datacenters/t5-chicago-iv-chi-iv-il-dc_09df673d3d67 Markdown: https://kapwork.com/grow/directory/datacenters/t5-chicago-iv-chi-iv-il-dc_09df673d3d67.md Updated: Nov 3, 2026 Publisher: Kapwork Grow, a free directory of public records T5 is building a 1200 MW data center in Lake County, Illinois (under construction). One source reports this facility in the Kapwork Grow tracker. (Kapwork Grow tracker record, merged from the sources listed here, Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Nov 2, 2026) ## Facts - **Operator:** T5 (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) - **Stage:** Under construction (Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Sep 12, 2026) - **Reported capacity:** 1200 MW (Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Sep 12, 2026) - **Site area:** 400 acres (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) - **Announced:** 2026 (Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Sep 12, 2026) - **Construction start reported:** Jun 8, 2026 (Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Sep 12, 2026) - **City:** Grayslake (Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Sep 12, 2026) - **County:** Lake (Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Sep 12, 2026) - **State:** Illinois (Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Sep 12, 2026) - **Location precision:** Site footprint confirmed (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) - **Community response:** Local opposition reported (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) - **Utility:** ComEd (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) - **Power source:** Grid power (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) - **Cooling:** Closed loop (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) - **AI workload:** Confirmed AI or machine-learning workload (Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0), as of Sep 12, 2026) - **Facility type:** AI data center (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) - **Incentives reported:** Illinois Data Center Investment Program (Illinois) $15.6M (Kapwork Grow tracker record, merged from the sources listed here, as of Nov 2, 2026) ## What each source reports | Dataset | Reported name | Reported status | Reported MW | | --- | --- | --- | --- | | Compute Atlas | T5 Chicago IV (CHI IV) | Under construction | 1200 MW | ## Questions this page answers ### Is T5 Chicago IV (CHI IV) under construction? No permit record shows it yet, so this page prints it as announced. Compute Atlas (Sep 12, 2026) reports it as under construction. ### Who is building T5 Chicago IV (CHI IV)? T5 is the operator. No public record names the general contractor yet. It shows here the day one does. ### Which carriers serve T5 Chicago IV (CHI IV)? No public record names them yet. They show here when a filing does. ### How do contractors on T5 Chicago IV (CHI IV) get paid sooner? The owner pays the general contractor, and the general contractor pays its subcontractors. Once your customer approves your invoice, certify it with Kapwork. Funders compete to fund it, so you don't wait for the payment date. Free for businesses. Kapwork doesn't lend and doesn't contact your customer. ## Latest updates - **Jun 8, 2026:** [Construction start reported](https://www.datacenterdynamics.com/en/news/t5-plans-five-gigawatt-scale-data-center-campuses-announces-chicago-campus/) - [Reported as announced](https://www.datacenterdynamics.com/en/news/t5-plans-five-gigawatt-scale-data-center-campuses-announces-chicago-campus/). Reported for 2026. ## Related records - [T5 @ Atlanta IV](https://kapwork.com/grow/directory/datacenters/t5-atlanta-iv-ga-dc_53186de832ff): Same operator - [T5 @ Chicago III (Northlake)](https://kapwork.com/grow/directory/datacenters/t5-chicago-iii-northlake-il-dc_f59258a30af9): Same operator - [T5 @ Chicago IV - Grayslake Campus](https://kapwork.com/grow/directory/datacenters/t5-chicago-iv-grayslake-campus-il-dc_c2546da175a0): Same operator - [T5 Chicago V - Elk Grove Village](https://kapwork.com/grow/directory/datacenters/t5-chicago-v-elk-grove-village-il-dc_b614ceeae649): Same operator - [T5 Data Centers - Georgia Campus](https://kapwork.com/grow/directory/datacenters/t5-data-centers-georgia-campus-ga-dc_1a5145cbfc52): Same operator - [Aligned Coal City Campus](https://kapwork.com/grow/directory/datacenters/aligned-coal-city-campus-il-dc_f0695145cb9f): Same state - [Aligned Data Centers - Elk Grove Village Campus](https://kapwork.com/grow/directory/datacenters/aligned-data-centers-elk-grove-village-campus-il-dc_b4ca4e6c9abb): Same state - [Aligned ORD-03](https://kapwork.com/grow/directory/datacenters/aligned-ord-03-il-dc_99090f8d970b): Same state - [CenterSquare ORD2 - 2425 Busse Road](https://kapwork.com/grow/directory/datacenters/centersquare-ord2-2425-busse-road-il-dc_1d2848d9c7fb): Same state - [CenterSquare ORD4 - 4513 Western Avenue](https://kapwork.com/grow/directory/datacenters/centersquare-ord4-4513-western-avenue-il-dc_7123cf2ad8c1): Same state ## What this record does not show - This record is the Kapwork Grow tracker's merged view of a facility, from the tracker snapshot built 2026-11-02. Facts tagged KW are the tracker's resolved values; the per-source rows it was merged from are listed under Sources and on the tracker record. - Sources on this record: Compute Atlas: Kubiak, E. (2026). Compute Atlas [Data set]. https://doi.org/10.5281/zenodo.22284476 (CC BY 4.0). Every source is licensed for commercial use with attribution. - An announced or permitted build is not a contract, an open bid or a purchase order. - Capacity figures are as reported by the cited sources and may describe planned rather than energised capacity. ## Sources - [Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)](https://www.datacenterdynamics.com/en/news/t5-plans-five-gigawatt-scale-data-center-campuses-announces-chicago-campus/) · as of Sep 12, 2026 · record t5-chicago-iv-grayslake-il - [Data Center Dynamics (cited by Compute Atlas)](https://www.datacenterdynamics.com/en/news/t5-plans-five-gigawatt-scale-data-center-campuses-announces-chicago-campus/) · as of Jul 7, 2026 - [Daily Herald (cited by Compute Atlas)](https://www.dailyherald.com/20260608/news/despite-village-approvals-legal-action-expected-against-grayslake-data-center/) · as of Aug 3, 2026 - [Hoodline (cited by Compute Atlas)](https://hoodline.com/2026/05/grayslake-erupts-as-mega-data-campus-plows-ahead/) · as of Jul 18, 2026 - [Government Technology (cited by Compute Atlas)](https://www.govtech.com/artificial-intelligence/data-center-could-be-largest-lake-county-ill-development) · as of Sep 12, 2026 - [Village of Grayslake (cited by Compute Atlas)](https://www.villageofgrayslake.com/DocumentCenter/View/15282) · as of Aug 3, 2026 - [Illinois Department of Commerce and Economic Opportunity (cited by Compute Atlas)](https://dceo.illinois.gov/content/dam/soi/en/web/dceo/aboutdceo/reportsrequiredbystatute/2025-data-centers-annual-report.pdf) · as of Sep 12, 2026 - [Village of Grayslake, Illinois (cited by Compute Atlas)](https://www.villageofgrayslake.com/DocumentCenter/View/15282/T5-FAQ-sheet) · as of Sep 12, 2026 - [Kapwork Grow tracker record, merged from the sources listed here](https://kapwork.com/app/grow/datacenters/projects/t5-chicago-iv-chi-iv-il) · as of Nov 2, 2026 · record 10855114423655 ## Have an invoice your customer approved? Certify your approved invoices. Funders compete to fund them. Multiple offers. No notice of assignment. Free for businesses. - [Get offers](https://kapwork.com/app/register-originator?mode=express&flow=invoice_registration&source=growth_suite&intent=certify&return_to=%2Fapp%2Finvoices%2Fnew&entry_point=certify_public_directory) - [Talk to an expert](https://meetings.hubspot.com/kylemase/kapwork-intro-with-kyle-mauricio) ## Cite this page Kapwork Grow, "T5 Chicago IV (CHI IV)", https://kapwork.com/grow/directory/datacenters/t5-chicago-iv-chi-iv-il-dc_09df673d3d67, materially updated Nov 3, 2026.