6,466 source records across 50 states and Washington, DC. Records include proposals, existing facilities, regulatory references, expansions and possible duplicates. Reported status and capacity are source claims, not certified current operation or measured demand.
Snapshot: 2026-10-28. Review the linked evidence before relying on a claim. Related records and expansions must not be counted as additional facilities.
Glendale Heights, IL
Reported status: existing (EPA facility record; status unverified)
Regulatory reference: FRS facility point (stated accuracy 50 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: Glendale Heights generic Digital Data Center EPA at 188 Internationale Blvd lacks first-party physical facility/lifecycle validation.
research-final:IL:8885e47819b554512b2bGrayslake, IL · T5@Chicago IV, LP; T5 Data Centers
Reported status: proposed
Reported capacity: 1.2 GW (scope and operation unverified)
Regulatory reference: FRS facility point (stated accuracy 5 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-07-17
Review note: Planned Grayslake CHI IV 18–20-building proposal is independent of Elk Grove CHI V and must not be counted as operational or copied to map.
research-final:IL:c5e420fbcb75d3d237c3Hennepin, IL · Sangha Systems
Reported status: operational
Reported capacity: 82 MW planned (scope and operation unverified)
Exact location not published.
Original source · 2026-08-03
Review note: Former boiler-house Hennepin bitcoin mining project requires first-party operating facility, campus/taxonomy, current status and source-rights verification.
research-final:IL:0f28edced2ce298edab8Hoffman Estates, IL · Compass Datacenters
Reported status: under construction
Reported capacity: 500 MW (scope and operation unverified)
Approximate locality: address match (exact): 3333 BEVERLY RD, HOFFMAN ESTATES, IL, 60179. Census Geocoder; not a verified facility pin.
Original source · 2026-06-15
Review note: Compass confirms development at former Sears HQ, ~200 acres five hyperscale buildings. Two supplier rows represent same proposed campus, not two operational campuses; operator announcement says future development.
Compass confirms development at former Sears HQ, ~200 acres five hyperscale buildings. Two supplier rows represent same proposed campus, not two operational campuses; operator announcement says future development. Evidence
Hoffman Estates, IL · Compass Datacenters
Reported status: under construction
Exact location not published.
Original source · 2026-09-21
Review note: Compass confirms development at former Sears HQ, ~200 acres five hyperscale buildings. Two supplier rows represent same proposed campus, not two operational campuses; operator announcement says future development.
Compass confirms development at former Sears HQ, ~200 acres five hyperscale buildings. Two supplier rows represent same proposed campus, not two operational campuses; operator announcement says future development. Evidence
Hoffman Estates, IL · Karis Critical; H.E. Holdings LLC
Reported status: cancelled
Exact location not published.
Original source · 2026-07-17
Review note: Karis Plum Farms is not Compass former Sears headquarters: independently verify own physical parcel/phase and current status.
research-final:IL:d2909368fafbff4b3583Hoffman Estates, IL · Microsoft
Reported status: operational
Exact location not published.
Original source · 2026-09-12
Review note: Microsoft Lakewood/Barrington proposal in Hoffman Estates should remain separate from Compass former Sears and Karis Plum Farms absent parcel-level source.
research-final:IL:56e26297feae751f274fItasca, IL · NTT Global Data Centers
Reported status: operational
Reported capacity: 36 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-10-15
Review note: NTT CH2 officially 275 Pierce Road; Itasca municipality says second building opened 2023. Distinct from CH1 255 Pierce, with rated critical IT not measured consumption.
NTT CH2 officially 275 Pierce Road; Itasca municipality says second building opened 2023. Distinct from CH1 255 Pierce, with rated critical IT not measured consumption. Evidence
NTT CH2 officially 275 Pierce Road; Itasca municipality says second building opened 2023. Distinct from CH1 255 Pierce, with rated critical IT not measured consumption. Evidence
Itasca, IL · NTT Global Data Centers
Reported status: under construction
Exact location not published.
Original source · 2026-10-15
Review note: Itasca municipal source says CH3 third building scheduled for completion 2026; no completed/operating claim until dated inspection or operator launch.
Itasca municipal source says CH3 third building scheduled for completion 2026; no completed/operating claim until dated inspection or operator launch. Evidence
Itasca, IL · NTT Global Data Centers
Reported status: approved/permitted
Exact location not published.
Original source · 2026-10-15
Review note: Municipality lists fourth ITASCA building as future in four-building plan; later fifth phase potential requires its own dated legal review; no double-count as CH3 or existing CH1/2.
Municipality lists fourth ITASCA building as future in four-building plan; later fifth phase potential requires its own dated legal review; no double-count as CH3 or existing CH1/2. Evidence
Itasca, IL
Reported status: existing (EPA facility record; status unverified)
Regulatory reference: FRS facility point (stated accuracy 330 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: EPA NTT to TSS101 at 1262 Inverness relates to electric facility/tie, not separate IT data center, nor CH1/CH2 alias.
EPA NTT to TSS101 at 1262 Inverness relates to electric facility/tie, not separate IT data center, nor CH1/CH2 alias. Evidence
Itasca, IL · NTT DATA
Reported status: operational
Reported capacity: 36 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: Exact original root reviewed:ntt-itasca-il-20261029. NTT operator 255 Pierce Road, village reports operational 2019. CH2/CH3/CH4 are separate buildings and may share campus, not duplicate CH1.
Exact original root reviewed:ntt-itasca-il-20261029. NTT operator 255 Pierce Road, village reports operational 2019. CH2/CH3/CH4 are separate buildings and may share campus, not duplicate CH1. Evidence
Exact original root reviewed:ntt-itasca-il-20261029. NTT operator 255 Pierce Road, village reports operational 2019. CH2/CH3/CH4 are separate buildings and may share campus, not duplicate CH1. Evidence
Current operator confirms operating CH1 on its Itasca campus. One campus identity uses CH1 as its physical anchor; CH2/CH3/CH4 archive rows do not create duplicate campuses. Itasca is distinct from the existing Northlake Chicago CH1 record. Evidence
Jackson Twp/ Joliet, IL
Reported status: proposed
Reported capacity: 1800.00 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-18
Review note: PowerHouse/Hillwood Joliet Technology Center proposal covers same ~795-acre campus in Jackson Township near Joliet; authorization/annexation does not prove any of 24 proposed halls operational.
research-final:IL:cef2a026e9e709610081Joliet, IL · Hillwood; PowerHouse Data Centers; Joliet Technology Center LLC
Reported status: proposed
Reported capacity: 1.8 GW (scope and operation unverified)
Exact location not published.
Original source · 2026-07-17
Review note: PowerHouse/Hillwood Joliet Technology Center proposal covers same ~795-acre campus in Jackson Township near Joliet; authorization/annexation does not prove any of 24 proposed halls operational.
research-final:IL:eef3c38968a0bc94d550Joliet, IL · PowerHouse Hillwood Holding
Reported status: under construction
Reported capacity: 1800.00 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-18
Review note: PowerHouse/Hillwood Joliet Technology Center proposal covers same ~795-acre campus in Jackson Township near Joliet; authorization/annexation does not prove any of 24 proposed halls operational.
research-final:IL:7547c792625d9f26d531Latham, IL · Hut 8
Reported status: proposed
Reported capacity: 500 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
Review note: Hut 8 explicitly states Logan Prairie in Latham is early development subject to local approvals and NO construction without permitting, power/utility studies. One 50-acre proposal, not 2 operating facilities.
Hut 8 explicitly states Logan Prairie in Latham is early development subject to local approvals and NO construction without permitting, power/utility studies. One 50-acre proposal, not 2 operating facilities. Evidence
Latham/ Laenna Twp, IL · Hut 8
Reported status: proposed
Reported capacity: 500.00 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-18
Review note: Hut 8 explicitly states Logan Prairie in Latham is early development subject to local approvals and NO construction without permitting, power/utility studies. One 50-acre proposal, not 2 operating facilities.
Hut 8 explicitly states Logan Prairie in Latham is early development subject to local approvals and NO construction without permitting, power/utility studies. One 50-acre proposal, not 2 operating facilities. Evidence
Lisle, IL · Centersquare (Csquare)
Reported status: operational
Exact location not published.
Original source · 2026-10-22
Review note: Csquare ORD4 Lisle same existing physical site at 4513 Western Ave; CSV1697 is accepted root, CSV1698 same historical address operator source candidate for exact source ID link, not another facility.
Csquare ORD4 Lisle same existing physical site at 4513 Western Ave; CSV1697 is accepted root, CSV1698 same historical address operator source candidate for exact source ID link, not another facility. Evidence
Current operator market page and 2026 specification identify the operating Lisle facility at this exact address. Utility power figures are not relabeled as operating IT load. Evidence
Lisle, IL · 4513 Western Avenue LLC; CenterSquare
Reported status: proposed
Reported capacity: 88.9 MW (scope and operation unverified)
Approximate locality: address match (exact): 4513 WESTERN AVE, LISLE, IL, 60532. Census Geocoder; not a verified facility pin.
Original source · 2026-07-17
Review note: Csquare ORD4 Lisle same existing physical site at 4513 Western Ave; CSV1697 is accepted root, CSV1698 same historical address operator source candidate for exact source ID link, not another facility.
Csquare ORD4 Lisle same existing physical site at 4513 Western Ave; CSV1697 is accepted root, CSV1698 same historical address operator source candidate for exact source ID link, not another facility. Evidence
Lisle, IL · CloudBurst
Reported status: proposed
Reported capacity: 50.00 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-18
Review note: Cloud Centers planned 711 Ogden Ave redevelopment is one distinct Lisle proposal, unrelated to Csquare ORD4 4513 Western. News meeting postponement not construction.
research-final:IL:80403b77ba75d90c76ceLisle, IL · Cloud Centers, LLC
Reported status: cancelled
Reported capacity: 50 MW planned (scope and operation unverified)
Exact location not published.
Original source · 2026-10-15
Review note: Cloud Centers planned 711 Ogden Ave redevelopment is one distinct Lisle proposal, unrelated to Csquare ORD4 4513 Western. News meeting postponement not construction.
research-final:IL:9ec052aa56adaa24e1e0Loami, IL · CyrusOne
Reported status: approved/permitted
Reported capacity: 630 MW planned (scope and operation unverified)
Exact location not published.
Original source · 2026-09-25
Review note: CyrusOne Loami/Sangamon county proposal requires primary site entitlement/phase; do not infer power or construction from vendor.
research-final:IL:947513dbf7412797fc1fLockport, IL · VME Developers
Reported status: cancelled
Exact location not published.
Original source · 2026-09-25
Review note: Lockport former refinery brownfield innovation district source requires proponent/City current zoning/building permit before status and exact geometry.
research-final:IL:737fb484e795f02bb89eLombard, IL
Reported status: approved/permitted (EPA air-permit record)
Regulatory reference: FRS facility point (stated accuracy 50 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: Existing original source root reviewed:360tcs-lombard-il-20261029, EPA regulated entity at 360 E 22nd. Keep measured power unknown; do not treat NAICS/permit as operation.
Current operator confirms active Lombard colocation; its contact page supplies the exact street address. Network operator independently identifies this same address as the 360TCS carrier-neutral data center, distinct from CyrusOne Lombard at Springer Drive. Evidence
Lombard, IL · CyrusOne Inc.
Reported status: operational
Reported capacity: 18.00 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-18
Review note: PeeringDB CyrusOne Lombard may refer to 360 E 22nd multi-tenant building; cannot infer distinct building or connect source IDs without first-party address and legal operating identity.
research-final:IL:2fea966a3667619795afMetropolis, IL · Quad State Internet LLC
Reported status: operational
Exact location not published.
Original source · 2026-06-17
Review note: PeeringDB METRO1 Colocation provider record does not establish independently supported physical building; no map promotion.
research-final:IL:37f22cb1500f1a3f0774Minooka, IL · Equinix
Reported status: proposed
Exact location not published.
Original source · 2026-10-22
Review note: CSV1706 roots accepted Equinix Minooka CH8 project with unknown lifecycle; 1707 EPA legal record at Ridge Rd may relate to same project, but operation and exact geometry cannot follow from EPA alone.
Current Village transparency portal explicitly reports Equinix campus construction at the northeast corner of Ridge and Holt roads. Street intersection and historic farm parcel are insufficient for an exact campus map anchor. CH8 label is not used as evidence of operating status. Evidence
Minooka, IL
Reported status: approved/permitted (EPA air-permit record)
Regulatory reference: FRS facility point (stated accuracy 5 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
Review note: CSV1706 roots accepted Equinix Minooka CH8 project with unknown lifecycle; 1707 EPA legal record at Ridge Rd may relate to same project, but operation and exact geometry cannot follow from EPA alone.
research-final:IL:fe52ee875531acfd67daMorris, IL · Tract
Reported status: approved/permitted
Reported capacity: 1000 MW planned (scope and operation unverified)
Exact location not published.
Original source · 2026-10-15
Review note: Tract first-party confirms one 343-acre Morris Technology Park acquired and zoned January 2026, planned up to 1GW full buildout, **first energization targeted 2028**. Three original source rows not three sites. 1GW is plan, not current load.
Tract first-party confirms one 343-acre Morris Technology Park acquired and zoned January 2026, planned up to 1GW full buildout, **first energization targeted 2028**. Three original source rows not three sites. 1GW is plan, not current load. Evidence
Morris, IL
Reported status: proposed
Exact location not published.
Original source · 2026-01-27
Review note: Tract first-party confirms one 343-acre Morris Technology Park acquired and zoned January 2026, planned up to 1GW full buildout, **first energization targeted 2028**. Three original source rows not three sites. 1GW is plan, not current load.
Tract first-party confirms one 343-acre Morris Technology Park acquired and zoned January 2026, planned up to 1GW full buildout, **first energization targeted 2028**. Three original source rows not three sites. 1GW is plan, not current load. Evidence