Data center profile · Oxford, New Haven County, Connecticut

Project Oxford hyperscale campus (unverified link to listing)

Data center campus in New Haven County, Connecticut, powered mainly by on-site gas; about 187 MW of IT capacity planned.

Partly in service. In service since 2018; live IT capacity not published. Newest record Jan. 2026.
The campus, Lower-resolution satellite image, Oct. 18, 2026
234 MW
campus power the company states
facility power, not split into IT capacity
805 MW
on-site generation on record
prime or bridge power, not backup
Eversource
serving utility
On-site gas as main supply
230
acres in the site
OperatorDeveloper not named
CustomerNone named
Planned IT capacity187 MW at full build-out (our estimate from the company's 234 MW campus power figure)
The site

The site from above

Satellite overview
Lower-resolution satellite image, Oct. 18, 2026.
Permits

Permits checklist

2 granted · 5 checked, nothing on file

Approvals a campus like this normally needs (including an air permit for backup or on-site generators), and what we found.

Power

Power and the grid

On-site generation on file

Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
  1. June 23, 1999
    Power Certificate of Environmental Compatibility and Public Need approved by Connecticut Siting Council. State agency · May 2015
  2. April 20, 2015
    Site Project Oxford as a data-center codename does not point to Oxford CT; other Oxford data-center uses are Microsoft Oxford Data Center. State agency · Oct. 2026
  3. May 14, 2015
    Permits Certificate modification - motion to reopen and modify approved by Connecticut Siting Council. State agency · May 2015
  4. May 26, 2016
    Permits Declaratory ruling - Towantic Switching Station approved by Connecticut Siting Council. State agency · Oct. 2026
  5. May 21, 2018
    Power 800 MW class figure in Oxford is Towantic generation: 805 MW installed / 785 MW nominal, operating since May 2018. Company · June 2025
  6. Aug. 21, 2025
    Power CT Siting Council Facility List for Oxford lists Towantic generation, substations, transmission, solar, BESS. State agency · Oct. 2026
Construction activity

Since Oct. 2026: 1 satellite capture. Satellite · Oct. 2026

Who is involved

Owners, partners and builders

Power and utilities
  • CPV Towantic, operator
Builders and advisers
  • Langan Engineering & Environmental Services, design team
Still unknown

Open questions

Where this comes from

31 records from 9 documents

Drawn from state agency records, company statements, public and commercial datasets and satellite captures, each kept with its date and source. The bar shows documents by type.

State agency 4Company 2Dataset 2Satellite 1
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 (14)
  • CT Siting Council Facility List for Oxford lists Towantic generation, substations, transmission, solar, BESS and telecom only; no data-center docket or petition
    “PETITION NO. 1647 – East Point Energy, LLC petition for a declaratory ruling”
  • On-site generation: 805 MW
    “CPV Towantic Energy Center is an 805-megawatt (MW) combined-cycle electric generating facility in Oxford, Connecticut.”
  • Project type: natural gas combined-cycle electric generating facility; not a data center
    “CPV Towantic Energy Center is an 805-megawatt (MW) combined-cycle electric generating facility in Oxford, Connecticut.”
  • 800 MW class figure in Oxford is Towantic generation: 805 MW installed / 785 MW nominal, operating since May 2018
    “Total Installed Capacity 805 MW”
  • On-site generation: 785 MW
    “construction, maintenance and operation of a 785 MW dual-fuel combined cycle electric generating facility”
  • Campus name: Project Oxford Hyperscale Data Center Campus
    “This project includes the development of a six-phase, 1.8-million-SF hyperscale data center campus offering 234 MW of power”
  • Project status: PLANNED / PRE-CONSTRUCTION, NOT IN SERVICE; OPERATOR UNIDENTIFIED: a powered-land listing for the site (519 acres) is marked sold April 27, 2026, and the project engineer publishes a full campus design (six p
    “The project served as a 'design guideline' for our technology client, creating a standardized design that can be adapted on other sites”
  • Stated campus size: 234 MW
    “a six-phase, 1.8-million-SF hyperscale data center campus offering 234 MW of power”
  • Building sq ft: 1800000 sq ft
    “a six-phase, 1.8-million-SF hyperscale data center campus offering 234 MW of power”
  • Site acreage: 230 acres
    “Located on more than 230+ acres, the campus also includes an administration building, four core network rooms, and a 40-acre electrical substation”
  • Substation site acreage: 40 acres
    “the campus also includes an administration building, four core network rooms, and a 40-acre electrical substation”
  • Utility: Eversource (territory; Towantic Substation area)
    “Segment 1 of the Project ROW (for the 1142, 1403, 1319, and 1619 Lines) extends south for approximately 2.1 miles from Towantic Substation to Christian Street Junction”
  • Eversource is rebuilding transmission lines out of Towantic Substation through Oxford under CT Siting Council Petition No. 1640 (draft staff report, Jan 2025) - area grid investment in the campus's substation area; the p
    “There would be no interruption to the operation of CPV Towantic Energy Center during Project construction”
  • The CPV Towantic Energy Center, an operating 842 MW gas-fired plant, sits about 2.3 km east of the campus point. It is a merchant plant, NOT campus on-site generation; no document ties its output to the campus.
    “CPV Towantic energy center is an operating power station of at least 842-megawatts (MW) in Oxford”
Permits and government (3)
  • Declaratory ruling: approved May 26, 2016
    “new 115-kV Towantic Switching Station to be located adjacent to the Towantic Generating Station on Woodruff Hill Road, Oxford”
  • Certificate of Environmental Compatibility and Public Need: granted
    “granted a Certificate of Environmental Compatibility and Public Need to Towantic Energy, LLC”
  • Certificate modification: granted
    “construction, maintenance and operation of a 785 MW dual-fuel combined cycle electric generating facility”
Site and other (6)
  • Project Oxford as a data-center codename does not point to Oxford CT; other Oxford data-center uses are Microsoft Oxford Data Center in Quincy WA and Microsoft Project Oxford cognitive services, plus a legacy 2009 01 Dat
    “MICROSOFT OXFORD DATA CENTER”
  • Status: operating
    “Commercial Operations May 2018”
  • Site location: north of Prokop Road and Towantic Hill Road intersection, Oxford, CT
    “located north of the Prokop Road and Towantic Hill Road intersection in the Town of Oxford, Connecticut.”
  • Developer: CPV Towantic, LLC
    “CPV Towantic, LLC Motion to Reopen and Modify the June 23, 1999 Certificate”
  • Phase count: 6 phases
    “This project includes the development of a six-phase, 1.8-million-SF hyperscale data center campus”
  • County code: 09009
    Measured on OpenStreetMap map data.

Imagery and records: Satellite imagery: Sentinel-2 (ESA Copernicus).