This record consolidates 22 research observations while retaining source distinctions, location precision and unresolved fields.
| Operator / developer | CyrusOne; Texas Comptroller list identifies Paile, LLC as occupant/operator of the registered 'Freestone Data Center' |
|---|---|
| Jurisdiction | Near Fairfield, TX |
| Address | Adjacent to Freestone Energy Center, 1366 FM 488, Fairfield, TX 75840 (reference address for the adjacent power plant) |
| Location precision | parcel or bounded site |
| Coordinates | Not published; no coordinate inferred |
| Capacity | 760 MW |
| Aliases | CyrusOne Freestone County data center campus (C1 Freestone) · Campus adjacent to Calpine's Freestone Energy Center, near Fairfield · Freestone Data Center · C1 Freestone, LLC Data Center · C1 Freestone 1, LLC · Reinvestment Zone Number 12 |
| Project profile | 0 rows |
|---|---|
| Intent / permits | 0 rows |
| Civic / infrastructure | 2 rows |
Rural gap find. gross_mw of 760 reflects 380 MW initial plus 380 MW phase 2 contracted with Calpine. CyrusOne is owned by KKR; Calpine is a Constellation business unit.
Key data: Calpine LLC (a Constellation business unit) providing power, grid connectivity and site infrastructure | ERCOT (North Central / East) | NOT_FOUND | NOT_FOUND
Claim classification: Not yet assigned
Status date: 2026-09-05
Developer: CyrusOne (owned by KKR) | Owner: C1 Freestone, LLC / C1 Freestone 1, LLC (CyrusOne affiliates) | Property entity: C1 Freestone 1, LLC | County: Freestone | Research region: East Texas / South Texas-RGV / Statewide Rural Gap Pass | Tenants/customers: Paile, LLC (occupant/operator on Comptroller registration) | End tenant not disclosed by CyrusOne due to confidentiality agreements
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Utility: Calpine LLC (a Constellation business unit) providing power, grid connectivity and site infrastructure | Utility region: Constellation/Calpine Freestone Energy Center | Grid area: ERCOT (North Central / East) | Gross MW: 760 | Requested load MW: 760
Claim classification: Not yet assigned
Status date: 2026-09-05
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Jurisdictions: Freestone County Commissioners Court | Texas Comptroller | ERCOT | Federal/state co-location approval obtained by Calpine (~May 2026) | Tax incentives: [object Object],[object Object] | {"agreement_name":"Reinvestment Zone Number 12 - C1 Freestone, LLC Data Center, with 10-year payment in lieu of taxes","agreement_number":"Reinvestment Zone Number 12","approval_date":"2025-12-03","estimated_value":"$850,000 per year PILOT","government_entity":"Freestone County Commissioners Court","investment_commitment":"Minimum $600 million initial property improvements","jobs_commitment":"NOT_FOUND","source_url":"https://freestonecountytimesonline.com/county-commissioners-approve-reinvestment-zone/","term":"10 years"} | {"agreement_name":"Texas Comptroller qualifying large data center registration - Freestone Data Center","agreement_number":"NOT_FOUND","approval_date":"2026-03-24 (effective date)","estimated_value":"NOT_FOUND","government_entity":"Texas Comptroller of Public Accounts","investment_commitment":"NOT_FOUND","jobs_commitment":"NOT_FOUND","source_url":"https://comptroller.texas.gov/taxes/data-centers/data-center-lists.php","term":"NOT_FOUND"}
Claim classification: Not yet assigned
Status date: 2026-09-05
County residents raised concerns addressed at public hearings
Claim classification: Not yet assigned
Status date: 2026-09-05
CyrusOne commitments: local career fair, Texas State Technical College MEI Data Center Pathway program, $10,000+/year scholarship
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Surrounding infrastructure: Calpine Freestone Energy Center: ~1 GW natural gas combined-cycle plant on ~506 acres near Fairfield
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Surrounding infrastructure: Existing ERCOT transmission at the power plant site
Claim classification: Not yet assigned
Status date: 2026-09-05
Freestone County Commissioners hold public hearing and unanimously approve Reinvestment Zone Number 12 for the C1 Freestone, LLC data center
Claim classification: Not yet assigned
Status date: 2025-12-03
Constellation/Calpine and CyrusOne announce 380 MW agreement for a new data center adjacent to the Freestone Energy Center, plus an exclusive agreement for a second 380 MW phase
Claim classification: Not yet assigned
Status date: 2026-02-09
Comptroller data center exemption effective date for Freestone Data Center (owner C1 Freestone 1, LLC; occupant Paile, LLC)
Claim classification: Not yet assigned
Status date: 2026-03-24
Calpine secures regulatory approval to co-locate a data center at the Freestone Energy Center site
Claim classification: Not yet assigned
Status date: 2026-05
Additional Freestone County public hearing on a proposed county reinvestment zone designation
Claim classification: Not yet assigned
Status date: 2026-06-17
CyrusOne breaks ground on the 380 MW Freestone County campus
Claim classification: Not yet assigned
Status date: 2026-07-09
Freestone County Commissioners held a public hearing and unanimously approved Reinvestment Zone Number 12 for the C1 Freestone, LLC data center project, an affiliate of CyrusOne, covering 507 acres with a 10-year payment in lieu of taxes of $850,000 per year.
Key data: Reinvestment Zone No. 12; 507 acres; $850,000/yr PILOT for 10 years
Claim classification: official_record · Verification: primary_source · Retrieved: 2026-09-05
Status date: 2025-12-03
Limitation: The article's hearing date is printed as December 3, 2026 although it was published in December 2025; the year appears to be a typographical error.
The agreement contemplates a minimum $600 million initial improvement stage, with real-property improvements potentially exceeding $2 billion and possibly double that once tenant property such as servers and chips is added.
Key data: Minimum $600M initial; >$2B potential
Claim classification: official_record · Verification: single_source · Retrieved: 2026-09-05
Status date: 2025-12-03
Limitation: CyrusOne's own page states over $500 million across phases, a lower figure.
The Texas Comptroller's qualifying large data center list registers 'Freestone Data Center' effective March 24, 2026 with owner C1 Freestone 1, LLC and occupant/operator Paile, LLC.
Key data: Owner C1 Freestone 1, LLC; occupant Paile, LLC
Claim classification: official_record · Verification: primary_source · Retrieved: 2026-09-05
Status date: 2026-03-24
Limitation: Paile, LLC's ultimate parent is not disclosed in the state list.
Calpine LLC, a Constellation business unit, signed a 380 MW agreement for a new data center adjacent to the Freestone Energy Center, plus an exclusive agreement for a second 380 MW phase.
Key data: 380 MW plus 380 MW phase 2
Claim classification: official_record · Verification: primary_source · Retrieved: 2026-09-05
Status date: 2026-02-09
Limitation: Whether both phases are contracted is not fully specified.
CyrusOne, owned by KKR, broke ground on the Freestone County campus near Fairfield in early July 2026; Calpine had secured regulatory approval to colocate a data center at the 1 GW Freestone Energy Center site around May.
Key data: Groundbreaking early July 2026
Claim classification: reported_fact · Verification: corroborated_two_sources · Retrieved: 2026-09-05
Status date: 2026-07-09
Limitation: Exact groundbreaking date not given.
CyrusOne states the facility will be near the Freestone Energy Center at 1366 FM 488, Fairfield, TX 75840; the reinvestment-zone property is described as near the Calpine power plant.
Key data: Near 1366 FM 488, Fairfield, TX 75840
Claim classification: operator_claim · Verification: corroborated_two_sources · Retrieved: 2026-09-05
Limitation: The address given is the adjacent power plant, not the data center parcel.
Residents raised concerns that county commissioners addressed ahead of a further reinvestment-zone public hearing scheduled for June 17, 2026.
Key data: Additional public hearing 2026-06-17
Claim classification: reported_fact · Verification: single_source · Retrieved: 2026-09-05
Status date: 2026-06-17
Limitation: Outcome of the June hearing not retrieved.