Equinix Chicago CH3 Equinix
Stream DC Chicago III (ORDC)
Stream Data Centers. Under construction, 260 MW
Stream Data Centers bought and demolished 55 homes in a 34 acre Elk Grove Village subdivision to make way for a more than 2 million square foot data center campus. ComEd broke ground on a dedicated 260 megawatt substation to serve the site, expected to be ready in 2027, and construction on the campus itself was anticipated to begin in late 2025 or early 2026. In August 2025 Apollo managed funds agreed to acquire a majority stake in Stream Data Centers.
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- Status
- Under construction
- Operator
- Stream Data Centers
- Applicant on record
- Stream Data Centers
- Location
- 2000 Landmeier Rd, Elk Grove Village, IL, Cook County, IL
- Size
- 260 MW, 34 acres, 2,000,000 sq ft
- Cooling
- Not reported
- Utility
- ComEd
- Last updated
- August 29, 2026
What happens next
The site is under construction. The next step is opening.
Sources
- Data center provider razes 55 homes to make room for Illinois campus, Network World
- ComEd breaks ground on 260MW substation set to serve Stream data center in Elk Grove, Illinois, Data Center Dynamics
What it would mean nearby
The cooling design has not been reported. If it uses evaporative cooling, a 260 MW facility would draw roughly 824,000 to 3.0 million gallons of water a day, about what 9,500 households use.
This case does not change what a household pays today, but it is the main tool Illinois regulators are using to try to stop the cost of new grid equipment for data centers from landing on residential bills. ComEd annual reconciliation rate case (docket 25-0383) adds about $3.10 a month to a typical bill from January 2026. PJM capacity auction price spike hits ComEd supply charges adds about $10.50 a month to a typical bill from June 2025.
For how far this is from your own address, check it here. For what this site could mean for one street address, see the address report, $19.
Other tracked projects within 25 miles
STACK Chicago CHI01 Stack Infrastructure
EdgeConneX CHI01 EdgeConneX
Stream Chicago II Stream
Prime Data Centers Elk Grove Village Campus Prime Data Centers
Common questions
Where is the Stream DC Chicago III (ORDC) data center?
It is in Elk Grove Village, Cook County, IL.
Has the Stream DC Chicago III (ORDC) data center been approved?
Yes, it was approved and is now under construction.
How big is the Stream DC Chicago III (ORDC) data center?
Reported size: 260 MW, 34 acres, 2,000,000 square feet.
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