The site
The site from above
Power
Power and the grid
1,800 MW contracted
ComEd grid power under a Transmission Security AgreementContract accepted by FERC, credit support disputed
1,800 MW contracted ramp by June 30, 2033 in the contract's preliminary load schedule (TSA); utility load, not IT capacity; yearly steps below Court filing · Oct. 2026
Contracted
Other sources, size not disclosed
- New switching station and a substation per phase Planneda 25-acre switching station on the west side, to be handed to ComEd, plus about 6 acres per phase Local government · Oct. 2026
Backup generators (emergency use, not a power supply)
- Backup generators Backup only, no on-site prime powersize not stated; test runs limited to 1 hour a month and 12 hours a year Local government · Oct. 2026
Stated capacity over time
July 31, 2028
19 MW
first scheduled load, on the contract's commercial operation date Court filing · Oct. 2026
Getting on the grid
Who supplies what, what it costs, and what is still not public.
- Dec. 29, 2025Contract signedComEd and PowerHouse Hillwood sign the Transmission Security Agreement; it takes effect Mar. 15, 2026. Court filing · Oct. 2026
- Jan. 13, 2026Contract filed at FERCComEd files its Transmission Security Agreement with PowerHouse Hillwood for federal approval. Utility regulator · Oct. 2026
- March 10, 2026FERC accepts the contractThe regulator accepts the agreement, effective Mar. 15, 2026, without independently testing whether its terms are just and reasonable. see Permits
- March 19, 2026Illinois sets large-load rulesThe state commission approves ComEd tariff changes for customers of 50 MW or more, including deposits and a 10-year payment guarantee tied to the load ramp. Utility regulator · Oct. 2026
- April 14, 2026$1.00 letter of creditHillwood posts a $1.00 letter of credit issued by JPMorgan Chase as its credit support (allegation in court papers). Court filing · Oct. 2026
- May 2026ComEd stops project workComEd's notice of default says it is cancelling all project activities, including engineering, and the purchase order for breakers (allegation in court papers). Court filing · Oct. 2026
- June 3, 2026Breakers pushed to late 2030The developer's substation circuit-breaker order is revised to deliver Nov. 25, 2030, against a contract ramp starting Jul. 31, 2028 and a ComEd earliest-service estimate of 2031 (all allegations). Court filing · Oct. 2026
- July 24, 2026ComEd moves to cancelComEd files to cancel the contract, saying its retail service application was cancelled and that Hillwood is in breach for not providing credit support. Utility regulator · Sept. 2026
- Sept. 22, 2026FERC rejects the cancellationThe regulator declines to decide the credit-support dispute, rejects the cancellation without prejudice and leaves the contract in force; the fight goes to a federal court. see Permits
- Oct. 2, 2026Developer seeks an injunctionThe developer moves for a preliminary injunction against ComEd; the federal court holds a hearing Oct. 6, 2026. see Lawsuits
- Not setService date: not agreedThe contract schedule starts in July 2028, but ComEd's alleged estimate says 2031; no in-service date is confirmed by either side in the public record. Court filing · Oct. 2026
- Minimum take: each year the developer owes 80% of the transmission charges that would apply to 80% of its scheduled monthly load, whatever it actually uses. Utility regulator · March 2026
- The contract's preliminary load schedule steps up to 450 MW by Dec. 31, 2029, then 900 MW (2030), 1,350 MW (2031), 1,688 MW (2032) and 1,800 MW from June 30, 2033; this is utility load, not IT capacity. Court filing · Oct. 2026
- The contract's credit-support schedule sets $586,876,792 for Year 1 (2029), falling to $58,687,679 in Year 10 (2038). Court filing · Oct. 2026
- The collateral gap: ComEd allegedly demanded $586,876,792 immediately, while the developer says it is due in 2029 (both allegations in court papers). Court filing · Oct. 2026
- Credit support is calculated from the scheduled megawatts and the $46,025 per MW-year PJM network service rate. Court filing · Oct. 2026
- ComEd says the full letter of credit was due at the outset; Hillwood says the contract gave no amount for the period before Year 1, so $1.00 satisfied it. FERC did not choose between the readings. Utility regulator · Sept. 2026
- A FERC commissioner noted the customer pays the transmission charges even if the facility is delayed or cancelled, or otherwise pays a termination fee. Utility regulator · Oct. 2026
- The developer must fund all required transmission and infrastructure improvements. Local government · Oct. 2026
- Not unique to this campus: ComEd signed a similar agreement with another large-load customer, Karis Critical LLC, on May 3, 2026 (a separate project). Court filing · May 2026
What is next door
- 10.40 km · gas pipeline
- 20.66 km · 345 kV line
- 33.69 km · substation
- 44.89 km · gas power plant
Distances from mapped lines and plants. OpenStreetMap · Oct. 2026
Permits
Permits checklist
1 denied · 2 contested · 2 granted · 2 checked, nothing on file
Approvals a campus like this normally needs, and what we found.
- ✕ComEd's request to cancel the agreement DeniedFERC · Sept. 22, 2026: rejected without prejudice; the agreement stays in force Utility regulator · Sept. 2026
- !Retail electric service application ContestedComEd and Illinois Commerce Commission · July 24, 2026: ComEd says it cancelled the application; Hillwood disputes this Utility regulator · Sept. 2026
- !City approvals challenged in court ContestedWill County Circuit Court · May 18, 2026: residents seek to void the approvals; ruling on motions to dismiss expected Oct. 2026 News report · Oct. 2026
- ✓Annexation, I-1 zoning and preliminary site plan GrantedJoliet City Council · March 19, 2026: 8-1 vote after the Plan Commission recommended approval; effective only once the developer owns the land News report · Oct. 2026
- ✓Transmission Security Agreement GrantedFERC · March 10, 2026: accepted effective Mar. 15, 2026 Utility regulator · March 2026
- –Checked, nothing on file: Final site plan and plat for each phase, Building permits
Risks
What could slow it down
- HighPower contract in litigationComEd tried to cancel the contract over the $1.00 letter of credit and allegedly demanded the $586.9M Year 1 credit support at once; FERC left the dispute to a federal court, and ComEd also says it cancelled the retail service application. Court filing · Oct. 2026
- HighPower date slips past the rampThe contract's load schedule starts Jul. 31, 2028, yet the developer's breakers arrive in late 2030 and ComEd's alleged earliest service is 2031 (allegations), so the transmission work, not the buildings, may set first power. Court filing · Oct. 2026
- HighUp to $348.8M to walk awayThe contract's early termination fee is 25% ($87.2M) in the first 180 days, 50% ($174.4M) through day 365, 75% ($261.6M) after that until commercial operation, and 100% ($348.8M) in the first year of operation. Court filing · Oct. 2026
- HighLand not yet boughtEvery city approval takes effect only after the developer acquires the land; the ordinance expires Apr. 1, 2027, and only two paid six-month extensions are allowed. Local government · Oct. 2026
- MediumNo tenant or financingNo end user has been named and no project financing has been found. News report · Oct. 2026
Lawsuits
3 cases on record
- Pending Powerhouse Hillwood Holding LLC v. Commonwealth Edison Co.U.S. District Court, Northern District of Illinois (No. 1:26-cv-08860) · filed July 26, 2026 Court filing · Oct. 2026Contract dispute over the credit support owed under the Transmission Security Agreement; it began in Cook County court on Jul. 20 before ComEd moved it to federal court. The developer filed a second amended complaint on Oct. 1, 2026, moved for a preliminary injunction on Oct. 2, and the court held a hearing on Oct. 6; a further hearing is set for Oct. 23.
- Pending Joliet Residents for Responsible Growth v. City of Joliet and developer entitiesWill County Circuit Court · filed May 18, 2026 News report · Oct. 2026Seeks to void the Mar. 19 approvals, citing public notice, open-meetings and zoning claims; a ruling on motions to dismiss was expected in Oct. 2026.
- Rejected without prejudice Sept. 22, 2026 ComEd notice of cancellation of the Transmission Security AgreementFERC · filed July 24, 2026 Utility regulator · Sept. 2026FERC declined to rule on the credit-support dispute and kept the agreement in force.
Money
Money on record
$586.9M
credit support scheduled for Year 1 (2029)
falls to $58.7M by Year 10 (2038); security, not construction cost Court filing · Oct. 2026
$348.8M
early termination fee at 100%
from commercial operation to its first anniversary; 25% ($87.2M) in the first 180 days, 50% ($174.4M) to day 365, 75% ($261.6M) until operation Court filing · Oct. 2026
$100M
community-benefit payments to the city
$20M within 30 days of closing, then $20M before building permits for each phase; the city gives no tax breaks Local government · Oct. 2026
$10M
per extension of the land-closing deadline
two six-month options, to Oct. 1, 2027 and Apr. 1, 2028 Local government · Oct. 2026
$1.00
letter of credit posted as TSA credit support
Apr. 14, 2026, JPMorgan Chase as issuer (allegation); not shown to be a project lender Court filing · Oct. 2026
$46,025
per MW-year credit-support rate
the PJM network service rate the credit-support schedule is built on Utility regulator · Jan. 2026
~$20B
total investment, developer estimate (press)
not committed capital; no financing found News report · Oct. 2026
$26.45M
additional retail deposits paid to ComEd
allegation in the developer's complaint Court filing · Oct. 2026
$10.5M
deposits paid to ComEd for long-lead materials
including gas-insulated circuit breakers (allegation) Court filing · Oct. 2026
Timeline
What happened, and what is due
SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
- Sept. 16, 2025Paper trail Powerhouse Hillwood Holding LLC registered in Delaware
- Oct. 2025Site The Joliet data center project is first proposed News report · Oct. 2025
- Dec. 29, 2025Power ComEd and the developer sign the power contract, a Transmission Security Agreement Court filing · Oct. 2026
- March 10, 2026Power FERC accepts the power contract, effective Mar. 15, 2026 Utility regulator · March 2026
- March 19, 2026Permits The City Council approves annexation, zoning and the development agreement 8-1, effective only once the land is bought News report · Oct. 2026
- April 14, 2026Money Hillwood posts a $1.00 letter of credit as credit support (allegation) Court filing · Oct. 2026
- May 2026Power ComEd's notice of default says it is cancelling project engineering and the breaker purchase order (allegation) Court filing · Oct. 2026
- May 18, 2026Legal Joliet Residents for Responsible Growth sue in Will County to void the approvals News report · Oct. 2026
- June 4, 2026Paper trail Joliet Residents for Responsible Growth registered in Illinois
- July 24, 2026Power ComEd files with FERC to cancel the power contract Utility regulator · Sept. 2026
- Sept. 22, 2026Power FERC rejects the cancellation and leaves the credit-support dispute to the federal court Utility regulator · Sept. 2026
- Oct. 6, 2026Legal The federal court holds a hearing on the developer's injunction motion, filed Oct. 2 after a second amended complaint on Oct. 1 Court filing · Oct. 2026
- Oct. 23, 2026Legal Federal hearing on the injunction motion Court filing · Oct. 2026
- April 1, 2027Money Deadline to buy the land and deliver the closing notice, or the annexation expires Local government · Oct. 2026
Construction activity
Satellite captures by quarter
Since March 2022: 22 satellite captures. The chart starts in the first quarter of 2023; 4 earlier records are not drawn.
Satellite
’23
’24
’25
’26
Dot size: records in the quarter, largest = 2. Two-digit years mark each first quarter.
The buildings
Specs
150,000 gal/day
average cap on drinking-water use, with a 3x penalty rate above it
~700 jobs
permanent at full buildout, plus 7,000 to 10,000 union construction jobs
- Rowell & Bernhard Rds.: northeast and southeast corners, Joliet, Ill. 60421, as the power contract describes the site Court filing · Oct. 2026
- Closed-loop cooling: recycled water, no evaporative cooling with drinking water Local government · Oct. 2026
Who is involved
Owners, partners and builders
Owners and developers
- PowerHouse Hillwood Holding: developer, joint venture of PowerHouse Data Centers and Hillwood (Perot family)
- HW Technology Park Development: earlier applicant, now succeeded by PowerHouse Hillwood
- American Real Estate Partners: PowerHouse parent
- Bernhard family entities: current landowners and sellers of the 795 acres
Decision-makers
- Joliet City Council: approved 8-1
- Joliet Plan Commission: recommended approval
- FERC and the Illinois Commerce Commission: power contract and tariff rules
- Judge Victoria Breslan, Will County: residents' suit
Counterparties
- ComEd (Exelon): utility and contract counterparty
- JPMorgan Chase: issuer of the $1.00 letter of credit (allegation)
- Will-Grundy Building Trades Council: project labor agreement
Opponents
- Joliet Residents for Responsible Growth
- Illinois Attorney General: protested the power contract at FERC
Still unknown
Open questions
- Any tenant or financing.
- A confirmed ComEd in-service date (2028 ramp vs 2031 estimate).
- The collateral amount and timing the court will require.
- Whether the land purchase closes by Apr. 1, 2027.
- 1 unconfirmed county land record near the site: the buyer or location could not be tied to this campus.
Where this comes from
254 records from 43 documents
Drawn from news reports, utility regulator dockets, court filings, business registries, state agency records, local government records, satellite captures and public and commercial datasets, each kept with its date and source. The bar shows documents by type.
News report 15Utility regulator 9Court filing 9State agency 4Local government 3Satellite 2Dataset 2
Evidence
Every quote behind this page
Grade key: A = the primary record itself (permit, filing, exhibit) · B = a dated official statement · C = news reporting. Map distances are our own measurements on OpenStreetMap and carry no grade. Allegations in lawsuits are marked as such in the quotes.
Power (36)
- Aliases: PowerHouse Hillwood Joliet campus“PowerHouse Hillwood Holding LLC (successor-in-interest to HW Technology Park Development, LLC)”Local government · Oct. 2026 · grade A
- Developer: PowerHouse Hillwood Holding LLC (Delaware LLC); JV of PowerHouse Data Centers and Hillwood“PowerHouse Hillwood Holding LLC, a Delaware limited liability company ("Developer")”Local government · Oct. 2026 · grade A
- Owner companies: PowerHouse Hillwood Holding LLC (contract purchaser; land not yet acquired as of approvals); predecessor applicant HW Technology Park Development LLC“APPLICANT: PowerHouse Hillwood Holding, LLC | STATUS OF APPLICANT: Contract Purchaser”Local government · Oct. 2026 · grade A
- Utility service: 1,800 MW“The developer estimates that at full buildout, the proposed project would require an annual electricity consumption of 1,800 megawatts (MW)”Local government · Oct. 2026 · grade A
- Utility: Commonwealth Edison Company (ComEd / Exelon)“this lot would eventually be conveyed to ownership by Commonwealth Edison (ComEd)”Local government · Oct. 2026 · grade A
- Grid operator: PJM Interconnection“The Regional Transmission Organization (RTO)... is PJM Interconnection LLC”Local government · Oct. 2026 · grade A
- Substation: Lot 3 switching station (~25 acres, west of S. Rowell Rd, to be conveyed to ComEd); plus ~6-acre substation per phase“A larger, 25-acre switching station would be situated on the development's west side, west of S. Rowell Road”Local government · Oct. 2026 · grade A
- Interconnection status: TSA accepted by FERC (ER26-1032, 194 FERC ¶61,183); ComEd cancellation notice rejected by FERC Sep 22, 2026 (ER26-3257); TSA credit-support dispute pending in N.D. Ill. (1:26-cv-08860); ComEd also“Order Rejecting Notice of Cancellation re Commonwealth Edison Company under ER26-3257”Utility regulator · Oct. 2026 · grade A
- Power plan: grid (ComEd transmission under TSA; no on-site prime generation)“The development will have backup power generation but will rely on the local regional electrical grid for its electricity supply”Local government · Oct. 2026 · grade A
- On-site power technology: none (backup generators only; exercise limited to 1 hr/month, 12 hr/yr, daytime, absent outage)“generators should only be exercised one hour per month and no longer than 12 hours per year”Local government · Oct. 2026 · grade A
- large-load tariff order: approved“review of ComEd's newly approved tariff changes to add deposit protection for ComEd and its existing customers”Utility regulator · Oct. 2026 · grade A
- Utility service: 1800“Power (MW) ... 1800 6/30/2033 ... 1800 12/31/2033”Court filing · Oct. 2026 · grade A
- Collateral: ComEd position: full letter of credit due at outset (Credit Support = MW x 46,025 USD/MW-yr per TSA Exhibit C); FERC declined to decide (N.D. Ill. litigation)“ComEd argues that the only way to protect customers is if the developer provides the full letter of credit at the outset”Utility regulator · Sept. 2026 · grade A
- Federal litigation: Powerhouse Hillwood Holding LLC v. Commonwealth Edison Company, N.D. Ill. 1:26-cv-08860, filed July 26, 2026 (project entity suing its utility counterparty)“Powerhouse Hillwood Holding LLC v. Commonwealth Edison Company, District Court, N.D. Illinois, docket number 1:26-cv-08860, filed 2026-07-26”Court filing · July 2026 · grade A
- ComEd notice of cancellation of the TSA: retail service application cancelled and $1.00 letter of credit = failure to provide credit support (FERC later rejected the cancellation, Sept. 22, 2026, ER26-3257); credit-support d“Hillwood is also separately in breach of the TSA for its failure to provide the required credit support”Utility regulator · July 2026 · grade A
- Nearest power line: 0.66 km (345 kV Blackstone Wind Farm - Goodings Grove 345 kV, Commonwealth Edison)Measured on OpenStreetMap map data.
- Nearest power line of 230 kV or more: 0.66 km to 345 kV line (, Blackstone Wind Farm - Goodings Grove 345 kV)Measured on OpenStreetMap map data.
- Nearest substation: 3.69 km (unnamed (138 kV))Measured on OpenStreetMap map data.
- Nearest gas pipeline: 0.4 km (Lemont, Aux Sable Liquid Products)Measured on OpenStreetMap map data.
- Gas operators within 15 km: ANR Pipeline; Alliance Pipeline; Aux Sable Liquid Products; Elwood Energy; Enterprise Products; Guardian Pipeline; Jackson Generation; Kinder Morgan; Lincoln Generating Facility; Midwest GenerMeasured on OpenStreetMap map data.
- Power plants within 5 km: 1.42 km to IGS East Central, LLC (IGS East Central, LLC, 2 MW)Measured on OpenStreetMap map data.
- Nearest 765 kV line: 7.45 km to 765 kV 'Wilton Center Sub ComEd to Collins Sub ComEd 765KV' (Commonwealth EdisonMeasured on OpenStreetMap map data.
- Large gas plant within 5 km: 4.89 km to Jackson Generation (gas, 1,288.6 MW, Jackson Generation LLCMeasured on OpenStreetMap map data.
- First power: July 31, 2028 (scheduled start of the TSA load ramp at 19 MW; allegation)“Ramp: 19 MW on July 31, 2028 (allegation), reaching 1,800 MW by June 2033 (allegation); Doc. 100 p. 15, ¶¶59-60”Court filing · Oct. 2026 · grade B
- Long lead equipment: gas-insulated substation industrial circuit breakers (vendor redacted); revised PO printed June 3, 2026 with delivery Nov. 25, 2030 (allegation)“Gas-insulated substation industrial circuit breakers; $10,500,000 deposits (allegation) for long-lead materials and engineering. Vendor name redacted; Doc. 100 p. 14 ¶52”Court filing · Oct. 2026 · grade B
- Breaker revised PO delivery Nov. 25, 2030 and ComEd earliest-service estimate 2031 vs TSA ramp start July 31, 2028: the transmission scope, not the data hall, sets first power (all allegations)“Revised purchase order printed June 3, 2026, delivery November 25, 2030 (allegation). ComEd earliest-service estimate 2031 (allegation)”Court filing · Oct. 2026 · grade B
- Stated campus size: 1,800 MW“the campus will offer up to 1.8GW of capacity at completion”News report · Oct. 2026 · grade C
- Collateral: DISPUTED: PowerHouse Hillwood posted a $1 letter of credit as initial TSA credit support; ComEd contends requirement not met; FERC declined to interpret the terms and left it to N.D. Ill. USD“PowerHouse Hillwood contends it met the agreement's initial credit requirements via a $1 posting, according to FERC's decision”News report · Oct. 2026 · grade C
- Opposition: Joliet Residents for Responsible Growth (residents near site, incl. unincorporated Elwood); hundreds attended Plan Commission/Council hearings in opposition; concerns: water (strained aquifer), power bills, n“the legal challenge takes aim at one of the biggest planned developments in the region: a 795-acre project known as the Joliet Technology Center”News report · Oct. 2026 · grade C
- Hundreds of residents attended Plan Commission and Council hearings in opposition (water/aquifer; power bills; noise); building-trades unions supported; some residents accused officials of corruption“hundreds of residents turned up to the Planning Commission in opposition to the campus, and dozens chose to speak”News report · Oct. 2026 · grade C
- Executed ComEd-PowerHouse Transmission Security Agreement text was never captured in this folder; termination/cancellation mechanics (pay-if-delayed/canceled, termination-fee schedule, the ER26-3257 cancellation dispute)“shortfall payments if the Data Center's usage and resulting transmission revenues miss commitments, and a published termination-fee schedule”News report · Oct. 2026 · grade C
- Utility service: 1,800 MW“a transmission security agreement, or TSA, for a 1.8-GW, $20-billion data center PowerHouse Hillwood Holding is developing in Joliet, Illinois”News report · Sept. 2026 · grade C
- Interconnection status: TSA in force but disputed - FERC approved the ComEd TSA on Mar 10, 2026, then rejected ComEd's cancellation notice on Sep 22, 2026; the credit-support dispute is pending in the U.S. District Court“The dispute is pending in the U.S. District Court for the Northern District of Illinois, according to the decision.”News report · Sept. 2026 · grade C
- large load interconnection request: ComEd notice of cancellation rejected; TSA remains in place; credit-support contract dispute left to the U.S. District Court for the Northern District of Illinois“The Federal Energy Regulatory Commission on Tuesday rejected Commonwealth Edison's “notice of cancellation” of a transmission security agreement, or TSA, for a 1.8-GW, $20-billion data center”News report · Sept. 2026 · grade C
- large load interconnection request: Transmission Security Agreement approved“The agreements are with Equinix, Grundy County Power, Karis Critical, PowerHouse Hillwood Holding and QTS Investment Properties Chicago.”News report · March 2026 · grade C
- ComEd TSA program (Jan 6, 2026 announcement): eight large-load customers signed TSAs seeking a combined load of more than 6.5 GW, out of 11 firms presented the deal. Program-wide across ComEd's northern Illinois territor“So far, the utility has signed agreements with eight of the 11 firms it presented the deal to. The eight customers are currently seeking a combined load of more than 6.5GW of power.”News report · Jan. 2026 · grade C
Money and contracts (63)
- Parcel samples: Site spans multiple parcels across the Joliet-Elwood line: NW sample PIN 30-07-34-400-008-0000 (Speedway, Joliet, 70.42 ac, class C, $151,517); SE sample PIN 10-11-12-100-008-0000 (Ridge, Elwood, 13.8 ac,“Three point samples inside the OSM outline return three different farm/residential parcels”State agency · Oct. 2026 · grade A
- Square feet: 6936000 sq ft gross“an approximate total buildout square footage of 6,936,000 gross square feet”Local government · Oct. 2026 · grade A
- Minimum bill terms: TSA (per ComEd ICC GT&C): LDPAC guarantees annual transmission payments will not fall below the load-ramp-based payment for 10 years after commencement of service; shortfalls recovered under the TSA.“the Agreement requires that the data center customer pays those transmission charges even if the facility is delayed or canceled. Otherwise, the customer would pay a termination fee”Utility regulator · Oct. 2026 · grade A
- Land control date: contract purchaser only; annexation/zoning take effect only on land acquisition + Closing Notice, due on or before April 1, 2027 (extensions to Oct. 1, 2027 / April 1, 2028 at $10M each)“If the Closing Notice is not delivered on or before April 1, 2027 (the "Expiration Date"), then the Annexation Ordinance shall expire”Local government · Oct. 2026 · grade A
- Incentives: none, no economic incentives or tax abatements from the City of Joliet; developer instead owes $100M in community-benefit contributions under §22 of the Annexation and Development Agreement“The City of Joliet will not be providing economic incentives or tax abatements for this project”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: closing deadline (annexation effectiveness)“If the Closing Notice is not delivered on or before April 1, 2027 (the "Expiration Date"), then the Annexation Ordinance shall expire according to its terms”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: extension option 10000000 USD each“Developer shall have two (2) options to extend the Expiration Date for six months each... paying the City the amount of Ten Million Dollars ($10,000,000.00) for each such extension”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: community benefit contribution (initial) 20000000 USD“Developer shall contribute (a) the amount of Twenty Million Dollars ($20,000,000.00) to the City within thirty (30) days following the Closing Notice”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: community benefit contribution (per phase) 20000000 USD per phase“(b) the amount of Twenty Million Dollars ($20,000,000.00) prior to issuance of building permits for each individual subcampus”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: community benefit total 100000000 USD“The total amount of required contributions pursuant to this Section 22 shall be One Hundred Million Dollars ($100,000,000.00)”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: payment escape / force majeure“if the Project is not constructed beyond the first phase due to circumstances beyond Developer's reasonable control, including failure to obtain utility service commitments... Developer shall have no obligation to make any further payments”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: term 20 years“for twenty (20) years, commencing as of the date of execution of this Agreement... (the "Term")”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: development impact fees per building USD“Developer shall pay development impact fees for each building to be constructed on the Property at building permit”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: district disconnection fee reimbursement 35360.71 USD“reimburse the City for all fees associated with disconnection from the Manhattan-Elwood Public Library District and the Elwood Fire District ($28,922.04 and $6,438.67, respectively)”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: recapture fees 514054.60 USD“fees imposed by Ordinances 15444, 15445, and 15446, in the aggregate amount of $514,054.60”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: covenant not to challenge / termination remedy“Developer... irrevocably covenants and agrees that it shall not... initiate, support, join, fund, or voluntarily assist any claim... that challenges... this Agreement”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: Lot 3 carve-out“Sections 8, 11, 16, 21, 22, 23, 24 and 27 of this Agreement shall not apply to ComEd as the Lot 3 owner”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement: project labor agreement“Developer has executed a Project Labor Agreement with the Will-Grundy Building Trades Council”Local government · Oct. 2026 · grade A
- Annexation and Development Agreement (staff report summary): infrastructure cost responsibility developer-funded“All required transmission and infrastructure improvements associated with the project will be funded by the developer”Local government · Oct. 2026 · grade A
- Transmission Security Agreement: committed revenue contribution (minimum take) load-ratio share of ComEd transmission revenue requirement per ramp schedule“commitments from new large loads to pay a load-ratio share of ComEd's transmission revenue requirement... pursuant to a "ramp schedule"”Utility regulator · Oct. 2026 · grade A
- Transmission Security Agreement: cost recovery position (formula rates)“ComEd agreeing to "take positions in favor of recovering the costs of transmission facilities used to provide delivery services [to the data center] through [ComEd's] formula rates"”Utility regulator · Oct. 2026 · grade A
- ComEd tariff (ILL. C.C. No. 10 GT&C): transmission revenue security term 10 years“guarantee that its annual payments for transmission service... will not for a period of ten (10) years after the commencement of service fall below the annual payment that would be made by a customer meeting the load ramp”Utility regulator · Oct. 2026 · grade A
- Annexation and Development Agreement: termination (city right on breach of covenant, after notice/cure) City may terminate the Agreement if Developer breaches the Section 28 covenant not to challenge“Developer covenants not to challenge the Agreement/ordinances/permits; breach lets City terminate the Agreement after notice/cure”Local government · Oct. 2026 · grade A
- Transmission Security Agreement: pay-if-delayed/canceled + termination fee (FERC concurrence text) customer pays transmission charges even if the facility is delayed or canceled; otherwise the customer pays a termination“the data center customer pays those transmission charges even if the facility is delayed or canceled. Otherwise, the customer would pay a termination fee”Utility regulator · Oct. 2026 · grade A
- Paper-vs-real checkpoint: if the developer has not acquired the land and delivered the Closing Notice by Apr. 1, 2027, the annexation ordinance expires (extensions cost $10M each)“If the Closing Notice is not delivered on or before April 1, 2027 (the "Expiration Date"), then the Annexation Ordinance shall expire”Local government · Oct. 2026 · grade A
- Transmission Security Agreement: execution“Customer signed the TSA on December 29, 2025, and it was filed with FERC on January 13, 2026. It became effective on March 15, 2026”Court filing · Oct. 2026 · grade A
- Transmission Security Agreement: commercial operation date 19 MW utility“Load and Phasing Schedule ... Power (MW) Date 19 7/31/2028”Court filing · Oct. 2026 · grade A
- Transmission Security Agreement: capacity 1,800 MW utility“Load and Phasing Schedule (preliminary): 450 MW 12/31/2029; 900 MW 12/31/2030; 1350 MW 12/31/2031; 1688 MW 12/31/2032; 1800 MW 6/30/2033”Court filing · Oct. 2026 · grade A
- Transmission Security Agreement: collateral 586876792 USD“Credit Support Schedule ... Year 1 2029 450 MW $586,876,792 ... Year 10 2038 1800 MW $58,687,679; Power x Zonal Network Service Rate of $46,025 MW-Year”Court filing · Oct. 2026 · grade A
- Transmission Security Agreement: termination 348808946 USD“Early Termination Fee: 0-180 days 25% ($87,202,237); 181-365 days 50% ($174,404,473); before COD 75% ($261,606,710); COD to 1st anniversary 100% ($348,808,946)”Court filing · Oct. 2026 · grade A
- Transmission Security Agreement: credit support timing - LC due within 30 days of effective date; no amount specified for pre-Year 1 (Hillwood reading); ComEd says full LC required at outset Year 1 credit support amount“Hillwood states that it posted a $1 letter of credit in satisfaction of the obligation to post a letter of credit within 30 days of the effective date in absence of an amount specified in the Transmission Security Agreement for pre-Year 1 credit support.”Utility regulator · Sept. 2026 · grade A
- Transmission Security Agreement: early termination fee magnitude tens of millions USD (first 180 days), escalating to hundreds of millions USD“this Letter of Credit provides security to an early termination fee described as “tens of millions of dollars for the first 180 days, escalating thereafter to hundreds of millions of dollars.””Utility regulator · Sept. 2026 · grade A
- Transmission Security Agreement (TSA) - credit support dispute: on April 14, 2026 Hillwood provided ComEd a letter of credit of $1.00 and claims it satisfied the TSA credit support obligation; ComEd says Hillwood is in breac“on April 14, 2026, Hillwood provided ComEd with a letter of credit in the amount of $1.00 and claims that the $1.00 letter of credit satisfied the credit support obligations under the TSA”Utility regulator · July 2026 · grade A
- ComEd signed similar TSAs with other large-load customers: Karis Critical LLC (May 3, 2026; FERC accession 20260522-5122), Pioneer Development LLC, Tur Ventures Two LLC (public versions redacted)“This Transmission Security Agreement ... is made and entered into as of May 3, 2026, by and between Commonwealth Edison Company and Karis Critical, LLC”Court filing · May 2026 · grade A
- Tsa effective date: March 15, 2026“we accept the Transmission Security Agreement, effective March 15, 2026, as requested.”Utility regulator · March 2026 · grade A
- Transmission Security Agreement (TSA): executed TSA filed by ComEd at FERC Jan. 13, 2026; accepted by FERC order issued March 10, 2026 (ER26-1032-000, 194 FERC 61,183). Hillwood is a ComEd retail customer served under ComEd sta“ORDER ACCEPTING TRANSMISSION SECURITY AGREEMENT (Issued March 10, 2026) On January 13, 2026 ... ComEd submitted an executed Transmission Security Agreement by and between ComEd and PowerHouse Hillwood Holding, LLC”Utility regulator · March 2026 · grade A
- Transmission Security Agreement (TSA): load ramp: TSA contains a preliminary load ramp in a Load and Phasing Schedule (values not public in this order)“the Transmission Security Agreement contains a preliminary load ramp reflected in the Load and Phasing Schedule”Utility regulator · March 2026 · grade A
- Transmission Security Agreement (TSA): credit support: irrevocable, unconditional, transferable letter of credit for the TSA term; termination fees / Customer Shortfall Event payments credited to other customers via PJM“requires Hillwood to issue ... and maintain ... an irrevocable, unconditional, transferable letter of credit ... termination fees would be credited in ComEd transmission cost of service under Attachment H-13”Utility regulator · March 2026 · grade A
- Transmission Security Agreement: Committed Revenue Contribution formula (minimum take) 80% of LSE PJM-tariff transmission charges on 80% of Load and Phasing Schedule monthly loads formula“The “Committed Revenue Contribution” in each year is calculated using 80% of the sum that would be paid by a Load Serving Entity ... serving an end-use customer with 80% of the monthly loads”Utility regulator · March 2026 · grade A
- Transmission Security Agreement: annual shortfall payment, capped Committed minus Actual Revenue Contribution, subject to customer shortfall event liability cap (cap amount not public) USD“Hillwood shall pay ComEd an amount equal to the difference between Actual Revenue Contribution and the Committed Revenue Contribution, subject to a customer shortfall event liability cap.”Utility regulator · March 2026 · grade A
- Transmission Security Agreement: credit support form and term (Exhibit D LC; term = TSA term; no reduction; no replenishment after draw; fees on Hillwood) face amount not public USD“the Credit Support shall have a term equal to the term of the Transmission Security Agreement and that, during that term, the face amount of the Credit Support may not be reduced except as expressly provided”Utility regulator · March 2026 · grade A
- Transmission Security Agreement: partial termination fee (capacity reduction after energization) proportionate % of applicable early termination fee formula“Hillwood will pay a partial termination fee equal to a proportionate percentage of the applicable early termination fee to reflect the reduced portion of capacity”Utility regulator · March 2026 · grade A
- Transmission Security Agreement: Credit Support Schedule formula (Exhibit C) annual Power requirement (MW, Exhibit B) x 46,025 USD/MW-year (PJM OATT Att. H-13A line 175 Zonal Network Service Rate); yearly table redacted“It is calculated as the product of (a) the Power requirements in the table below and (b) the Zonal Network Service Rate of $46,025 MW-Year (PJM OATT, Attachment H-13A, line 175).”Utility regulator · Jan. 2026 · grade A
- Transmission Security Agreement: Load and Phasing Schedule (Exhibit B): quarterly preliminary load ramp; MW values REDACTED (CUI//PRIV//HC); Load Schedule Request may not decrease tranche MW redacted MW“Customer anticipates its total load will be the following at each quarter and year listed below (preliminary). This Exhibit B may be amended”Utility regulator · Jan. 2026 · grade A
- Transmission Security Agreement: Early Termination Fee Schedule (Exhibit E): amounts REDACTED; ETF incl. Partial Termination Fee agreed as liquidated damages redacted USD“Customer acknowledges and agrees that the Early Termination Fee (including the Partial Termination Fee) as set out in this Exhibit E is a reasonable estimate of damages and not a penalty.”Utility regulator · Jan. 2026 · grade A
- Transmission Security Agreement: replacement-customer threshold (termination context): new customer at same point of delivery taking >= 50 MW incremental load 50 MW“accepts electric service from Utility at the same point of delivery as the New Customer Facilities in an amount equal to or in excess of 50 MW as of the effective date of termination”Utility regulator · Jan. 2026 · grade A
- Transmission Security Agreement: customer termination under Section 4(D) after extension: no Early Termination Fee, pays obligations incurred to date; notice window redacted no ETF“In the event that Customer timely terminates this TSA pursuant to this Section 4(D), Customer shall be responsible for any Customer payment obligations incurred under this TSA prior to the date of termination, but shall not be responsible for payment of the Early Termination Fee.”Utility regulator · Jan. 2026 · grade A
- Collateral: 586876792 demanded immediately by ComEd (allegation); developer contends it is due in 2029 USD“ComEd allegedly demanded $586,876,792 (allegation) immediately; developer contends it is due in 2029 (allegation). Disputed security, not capex; Doc. 100 p. 5 ¶¶20-22”Court filing · Oct. 2026 · grade B
- Equipment deposits: 10500000 (long-lead materials and engineering; allegation) USD“$10,500,000 deposits (allegation) for long-lead materials and engineering; Doc. 100 p. 14 ¶52”Court filing · Oct. 2026 · grade B
- Transmission Security Agreement: execution, FERC filing and effective dates signed Dec. 29, 2025; filed with FERC Jan. 13, 2026 (ER26-1032, accession 20260113-5159); effective March 15, 2026“TSA signed December 29, 2025; filed with FERC January 13, 2026; effective March 15, 2026 (all alleged here); Doc. 100 p. 15 ¶58 (locator: Doc. 100 ¶58 (TSA = Docs. 100-1 redacted / 100-2 unredacted; not inspected))”Court filing · Oct. 2026 · grade B
- Transmission Security Agreement: load ramp schedule 19 MW on July 31, 2028 rising to 1,800 MW by June 2033; cited schedule continues through June 2035 (utility-delivered load, not IT) MW“19 MW on July 31, 2028 (allegation), reaching 1,800 MW by June 2033 (allegation); cited schedule continues through June 2035 (locator: Doc. 100 pp. 14-15 ¶¶53, 59-60)”Court filing · Oct. 2026 · grade B
- Transmission Security Agreement: collateral demand (DISPUTED timing) 586876792 USD“ComEd allegedly demanded $586,876,792 (allegation) immediately; developer contends it is due in 2029 (allegation) (locator: Doc. 100 ¶¶20-22)”Court filing · Oct. 2026 · grade B
- ComEd retail service (deposits): additional retail deposits paid 26450000 USD“Additional retail deposits of $26.45 million (allegation); Doc. 100 p. 7 ¶26 (locator: Doc. 100 p. 7 ¶26)”Court filing · Oct. 2026 · grade B
- Long-lead equipment purchase order (vendor redacted): revised delivery date gas-insulated substation circuit breakers; revised PO printed June 3, 2026“Revised purchase order printed June 3, 2026, delivery November 25, 2030 (allegation) (locator: Doc. 100 p. 6 n.6, p. 9 ¶32 (PO = Doc. 100-6, sealed))”Court filing · Oct. 2026 · grade B
- Transmission Security Agreement: deposit 10500000 USD“Customer has paid ComEd $10,500,000 in deposits for these long lead materials ... GIS circuit breakers”Court filing · Oct. 2026 · grade B
- Tenants: none found“Hillwood hasn't named the artificial intelligence and cloud storage companies who will occupy the space because they haven't signed their leases (Chicago Tribune, quoting Hillwood EVP Donald Schoenheider)”News report · Oct. 2026 · grade C
- Tenant status: none found, no signed leases; marketed to potential hyperscalers“no end user has been publicly identified, even as the city approved annexation”News report · Oct. 2026 · grade C
- Stated capital cost: 20000000000, developer-estimated total investment; NOT committed capital; no project financing disclosed USD“A $20 billion, 795-acre data center in the city of Joliet, Illinois, has been given the green light”News report · Oct. 2026 · grade C
- Financing: none found (no project financing disclosed)“no end user has been publicly identified (no financing announcement in any source checked)”News report · Oct. 2026 · grade C
- Stage: at risk, entitlements are conditional until land closes (deadline April 1, 2027); TSA credit support ($1 LC) unresolved in federal court; residents' suit pending with dismissal ruling due Oct 2026; no tenant and no“The dispute is pending in the U.S. District Court for the Northern District of Illinois, according to the decision”News report · Oct. 2026 · grade C
- Transmission Security Agreement: pay-if-delayed/canceled + termination fee published termination-fee schedule“shortfall payments if the Data Center's usage and resulting transmission revenues miss commitments, and a published termination-fee schedule”News report · Oct. 2026 · grade C
- Transmission Security Agreement: credit support (DISPUTED) 1 USD letter of credit posted“PowerHouse Hillwood contends it met the agreement's initial credit requirements via a $1 posting, according to FERC's decision”News report · Oct. 2026 · grade C
- ComEd tariff (Rider DE): engineering deposit for 1,800 MW ~9000000 USD [E]“The new security deposits will be $1 million for facilities with maximum power needs of between 50 and 200 MW, with an additional $500,000 for each additional 100 MW of demand”News report · Oct. 2026 · grade C
Permits and government (29)
- Conditions of approval: IPCB noise compliance + berms; photometric plan per phase; water/sewer caps with 3x excess-rate penalty; generator exercise limits; Final PUD + Final Plat per phase; developer funds all transmissi“Final PUD Plans for each phase shall include noise reduction methods to meet Illinois Pollution Control Board regulations”Local government · Oct. 2026 · grade A
- TSA acceptance: accepted“Today's order accepts the Transmission Security Agreement (Agreement) between Commonwealth Edison Company (ComEd) and PowerHouse Hillwood Holding, LLC”Utility regulator · Oct. 2026 · grade A
- zoning hearing: public hearing + recommendation“A public hearing was held by the City's Plan Commission on the requested zoning approvals on March 5, 2026”Local government · Oct. 2026 · grade A
- public hearing: hearing on annexation agreement“a public hearing was held thereon on March 16, 2026 pursuant to notice, as provided by statute”Local government · Oct. 2026 · grade A
- investigation directive: ordered“The decision requires the ICC to initiate a docketed investigation by April 23, 2026”Utility regulator · Oct. 2026 · grade A
- order rejecting cancellation: cancellation rejected“Order Rejecting Notice of Cancellation re Commonwealth Edison Company under ER26-3257”Utility regulator · Oct. 2026 · grade A
- TSA filing: filed by ComEd“Filing of TSA between ComEd and PowerHouse Hillwood to be effective 3/15/2026 under ER26-1032”Utility regulator · Oct. 2026 · grade A
- protest: IL Attorney General protest filed“Protest of the People of the State of Illinois by the Office of the Illinois Attorney General in response to Commonwealth Edison Company's Transmission Security Agreement under ER26-1032.”Utility regulator · Oct. 2026 · grade A
- ICC docketed investigation into LDPAC consumer protections to be initiated by this date (8-month completion); ComEd annual compliance reports from Feb. 1, 2027“The decision requires the ICC to initiate a docketed investigation by April 23, 2026”Utility regulator · Oct. 2026 · grade A
- Joliet Plan Commission: A-4-25 annexation + I-1 classification; PUD-8-25 preliminary PUD + preliminary plat“DATE: March 5, 2026 TO: Joliet Plan Commission FROM: Planning Staff”Local government · Oct. 2026 · grade A
- Joliet City Council: public hearing on proposed Annexation and Development Agreement“a public hearing was held thereon on March 16, 2026 pursuant to notice, as provided by statute”Local government · Oct. 2026 · grade A
- FERC filing (notice of cancellation of transmission security agreement): Commonw: rejected“Order Rejecting Notice of Cancellation re Commonwealth Edison Company under ER26-3257”State agency · Sept. 2026 · grade A
- TSA notice of cancellation: filed by ComEd (requested effective July 25, 2026, waiver of 60-day notice)“ComEd states that it is cancelling the Transmission Security Agreement because: (1) the underlying retail service application has been cancelled; and (2) ComEd believes Hillwood is in breach of the Transmission Security Agreement for failure to provide the required credit support.”Utility regulator · Sept. 2026 · grade A
- order rejecting cancellation: rejected without prejudice“Consistent with prior cases involving proposed cancellations under FPA section 205 where the Commission declined to exercise primary jurisdiction, we reject without prejudice ComEd's proposed cancellation of the Transmission Security Agreement.”Utility regulator · Sept. 2026 · grade A
- FERC filing (transmission security agreement): Commonwealth Edison Company filed: accepted“Commonwealth Edison Company submits tariff filing per 35.13(a)(2)(iii: Filing of TSA between ComEd and PowerHouse Hillwood to be effective 3/15/2026 under ER26-1032”State agency · March 2026 · grade A
- TSA acceptance: accepted under Mobile-Sierra presumption“As discussed below, we accept the Transmission Security Agreement, effective March 15, 2026, as requested.”Utility regulator · March 2026 · grade A
- Workforce estimate: 7,000–10,000 construction jobs (union; PLA with Will-Grundy Building Trades Council); ~700 permanent jobs at full buildout“Approximately 7,000 - 10,000 union jobs would be created for the construction of this development... approximately 700 permanent jobs”Local government · Oct. 2026 · grade B
- Current target date: 2031 (ComEd earliest-service estimate quoted by the developer; allegation) vs TSA ramp start July 31, 2028“Revised purchase order printed June 3, 2026, delivery November 25, 2030 (allegation). Complaint quotes ComEd's earliest-service estimate as 2031 (allegation); Doc. 100 p. 6 n.6, p. 9 ¶32”Court filing · Oct. 2026 · grade B
- TSA filing: filed“Federal Register, Original TSA filing, Jan. 13, 2026”News report · Oct. 2026 · grade C
- protest: IL AG protest“the safeguards in the TSA do not prevent existing customers from paying the costs caused by this large, discrete load”News report · Oct. 2026 · grade C
- annexation, rezoning, preliminary PUD, development agreement: approved 8-1“On March 19, 2026, the Joliet City Council voted 8–1 to approve the conditional annexation of roughly 795 acres”News report · Oct. 2026 · grade C
- lawsuit filed: filed“The lawsuit, filed May 18 in Will County by attorneys for Joliet Residents For Responsible Growth”News report · Oct. 2026 · grade C
- TSA cancellation notice: filed by ComEd“ComEd, a subsidiary of Exelon, filed its cancellation notice with FERC on July 24, 2026”News report · Oct. 2026 · grade C
- motion to reject cancellation: filed by PowerHouse Hillwood“PowerHouse Hillwood on Aug. 14 urged FERC to reject Commonwealth Edison's "notice of cancellation"”News report · Oct. 2026 · grade C
- motions to dismiss: pending, ruling expected“Will County Judge Victoria Breslan said she will rule on motions by the city and the developer to dismiss the lawsuit”News report · Oct. 2026 · grade C
- Per PowerHouse Hillwood's FERC filing: ComEd also canceled a retail service agreement that was pending at the Illinois Commerce Commission“Besides asking FERC to cancel the transmission security agreement, ComEd canceled a retail service agreement that was pending at the Illinois Commerce Commission”News report · Oct. 2026 · grade C
- FERC large-load show-cause orders (June 2026): RTO/ISO pro forma cost-recovery responses due mid-November 2026; outcome will govern future TSA credit terms like the disputed $1 LC“RTOs and ISOs have until mid-November to respond to the show cause orders”News report · Oct. 2026 · grade C
- Joliet City Council: annexation ordinance; rezoning + preliminary PUD ordinance; Annexation and Development Agreement“the Joliet City Council voted 8–1 to approve the conditional annexation”News report · Oct. 2026 · grade C
- Rezoning date: March 19, 2026 (City Council approval 8-1; effective only upon Closing Notice)“On March 19, 2026, the Joliet City Council voted 8–1 to approve the conditional annexation of roughly 795 acres”News report · March 2026 · grade C
Legal (10)
- PowerHouse files second amended complaint vs ComEd (N.D. Ill. 1:26-cv-08860); PI motion ECF 105 filed Oct. 2, heard Oct. 6, 2026“Redacted AMENDED complaint by Powerhouse Hillwood Holding LLC against Commonwealth Edison Company”Court filing · Oct. 2026 · grade A
- PowerHouse Hillwood v. ComEd filed in Cook County Circuit Court; removed by ComEd to U.S. District Court N.D. Ill.; remand decision pending; dispute over TSA letter-of-credit terms; parties disagree whether Hillwood stil“ComEd filed to remove the proceeding to federal court, and a federal court decision on whether to remand is pending in the U.S. District Court for the Northern District of Illinois.”Utility regulator · Sept. 2026 · grade A
- Project entity Powerhouse Hillwood Holding LLC sued Commonwealth Edison Company in the Northern District of Illinois (1:26-cv-08860, filed Jul 26, 2026)“Powerhouse Hillwood Holding LLC v. Commonwealth Edison Company”Court filing · July 2026 · grade A
- PowerHouse Hillwood sued ComEd in N.D. Ill. (Case No. 1:26-cv-08860) over the TSA security-deposit timing/credit support; in-court hearing appears on the court's daily calendar. NOTE: federal-court family is Agent A's; r“1:26-cv-08860 | Powerhouse Hillwood Holding LLC v. Commonwealth Edison Company”Court filing · Oct. 2026 · grade B
- Developer moved for a preliminary injunction (Doc. 105, Oct. 2, 2026); Doc. 112 (Oct. 6, 2026) set the hearing for Oct. 23, 2026; latest indexed entry Doc. 121 (Oct. 16, 2026) on extensions/excess pages/sealing; no merits ruling o“October 2, 2026: preliminary-injunction motion, Doc. 105. October 6: Doc. 112 set an October 23 hearing. Latest indexed event: October 16, Doc. 121”Court filing · Oct. 2026 · grade B
- Second Amended Complaint filed (Doc. 100) with TSA, default notice, deposit demand, termination letter and service application as exhibits (100-1 to 100-11)“Doc. 100 - Second Amended Complaint, filed October 1, 2026. Exhibits cited within it have not been inspected”Court filing · Oct. 2026 · grade B
- ComEd Notice of Default: cancelling all project activities and the breaker purchase order (alleged)“cancelling all project activities, including engineering, and (2) cancelling the purchase order for breakers by end of day on May 5, 2026”Court filing · Oct. 2026 · grade B
- Lawsuits: (1) Will County Circuit Court (IL): Joliet Residents for Responsible Growth v. City of Joliet et al., filed May 18, 2026, seeks to void approvals; motions to dismiss pending, Judge Victoria Breslan to rule Oct 20“The lawsuit, filed May 18 in Will County by attorneys for Joliet Residents For Responsible Growth”News report · Oct. 2026 · grade C
- Residents' suit filed in Will County Circuit Court by/for Joliet Residents for Responsible Growth seeking to void the approvals; defendants include City of Joliet and developer entities“a group of residents living near a proposed $20 billion data center campus in the Joliet, Illinois, area has sued to stop the project”News report · Oct. 2026 · grade C
- Judge Victoria Breslan (Will County) expected to rule in October 2026 on city/developer motions to dismiss“A lawsuit trying to void Joliet city approval of a proposed 795-acre data center will remain alive at least into October”News report · Oct. 2026 · grade C
Site and other (18)
- Name: Joliet Technology Center“PUD-8-25: Preliminary Planned Unit Development and Preliminary Plat of Joliet Technology Center Subdivision”Local government · Oct. 2026 · grade A
- Address: S. Rowell Road and Bernhard Road, Joliet, IL“LOCATION: 795 Acres Surrounding S. Rowell Road and Bernhard Road”Local government · Oct. 2026 · grade A
- County code: Will County (Jackson Township); City of Joliet spans Will and Kendall Counties“notice of the proposed annexation has been given by the City to the Jackson Township officials pursuant to 65 ILCS 5/7-1-1”Local government · Oct. 2026 · grade A
- Acres: 795 acres“SIZE: 795 Acres”Local government · Oct. 2026 · grade A
- Phases: 4“one six-building cluster in each future phase of development, resulting in a total of 24 principal data center buildings”Local government · Oct. 2026 · grade A
- Buildings: 24“a total of 24 principal data center buildings”Local government · Oct. 2026 · grade A
- Cooling: closed-loop (recycled water; no evaporative cooling with potable water)“The proposed data center campus would utilize a closed-loop system that recycles water and significantly reduces overall water usage”Local government · Oct. 2026 · grade A
- Water use stated: potable cap: 150,000 gpd average / 300,000 gpd peak; sewer discharge cap: 50,000 gpd average / 300,000 gpd peak; 3x rate penalty on excess“Average daily discharge to the City's sanitary sewer system... shall not exceed 50,000 gallons per day. Peak daily flow shall not exceed 300,000 gallons per day”Local government · Oct. 2026 · grade A
- Construction stage: none (entitlements approved conditionally; land closing pending; no construction start reported)“both of which by their terms shall take effect only upon Developer's acquisition of the Property and delivery of the Closing Notice”Local government · Oct. 2026 · grade A
- Address: South Rowell Road and Bernhard Road (NE & SE Corners), Joliet, Illinois 60421“facilities at or near South Rowell Road and Bernhard Road (NE & SE Corners), Joliet, Illinois 60421”Court filing · Oct. 2026 · grade A
- Retail service application status: cancelled by ComEd under its ICC retail tariff (per ComEd, Jul 2026); contested by Hillwood“ComEd explains that the underlying retail service application has been cancelled because Hillwood has failed to comply with certain terms and conditions of ComEd's electric retail service tariff”Utility regulator · Sept. 2026 · grade A
- Site plan approval date: March 19, 2026 (preliminary PUD + preliminary plat approved; Final PUD/Final Plats still required per phase; preliminary approvals lapse if no Final Approval for phase 1 within 5 years of adoption)“approvals... shall no longer be effective if within five (5) years from adoption of this Ordinance, the Developer has not secured... Final Approval for at least the first phase”Local government · March 2026 · grade A
- Data-center buildings on the map: 0Measured on OpenStreetMap map data.
- Sq ft per building: 144500 (two-story buildings) sq ft“24 two-story, 144,500 sq ft (13,425 sqm) data center buildings”News report · Oct. 2026 · grade C
- Current target date: unknown, no official COD stated; developer/press estimates only: construction start late 2026 or early 2027; first building/sub-campus 2028“Construction on the project will start either late this year or early 2027 and could take up to five years to complete”News report · Oct. 2026 · grade C
- Project first proposed (per DCD); Hillwood EVP said water projections were cut from 5-6M gpd (two years prior) to ~20M gal/yr with closed-loop design“the company has slashed this projected water use to 20 million gallons a year, Schoenheider said”News report · Oct. 2026 · grade C
- Developer-stated expectations in press: construction start late 2026 or early 2027; first building expected 2028 (Fox 32 via DCF); first sub-campus completion expected 2028 (Shaw Local), no official COD“Fox 32 reports the first building is expected in 2028, with the remainder delivered in phases”News report · Oct. 2026 · grade C
- Announced: Oct. 2025“the data center project was first proposed in October 2025”News report · Oct. 2025 · grade C
Imagery and records: Aerial imagery: local aerial photography via Esri World Imagery Wayback.