DATA CENTER ATLASGREAT LAKES
Approved / Proposed

Former Alcoa East site, Massena, NY · St. Lawrence County

NYDIG / NCCS Massena Data Center Expansion

NYDIG / North Country Colocation Services proposes a 635 MW, 1.5-million-square-foot campus at the former Alcoa East / Reynolds site. October reporting says the developer believes the project may be exempt from New York’s permit pause; state confirmation remains outstanding.

New YorkFacility location
Power635 MW, three buildings totaling approximately 1.5 million square feet
Operator / developerNYDIG / North Country Collocation Services
Site / phase800 acres
UtilityAdditional NYPA allocation and local use determination remain unresolved

Project timeline

1 update
Massena’s 635 MW proposal tests the limits of New York’s permit pause

NCPR reports NYDIG/NCCS is pursuing a 1.5-million-square-foot, 635 MW campus at the former Alcoa East property and says it may be exempt from the state permit pause. State confirmation was not available. The developer forecasts 200 permanent and 2,000 construction jobs.

Hotlist signal history

1 reviewed change
Oct 7, 2026 · projectMassena’s exemption remains a question

NCPR reported October 7 that NYDIG/NCCS believes its proposed 635 MW campus may sit outside New York’s permit pause. The state had not confirmed that position.

Location note: The map marker represents the publicly identified area rather than a confirmed parcel.

Data Center Atlas · Great Lakes data-center intelligence · Updated Oct 8, 2026