New York
Data centers in St. Lawrence County, New York
The Census tracks 1 data center project in St. Lawrence County, New York, with 635 MW of published capacity: 1 proposed. 2 moratorium actions recorded.
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How many data centers are in St. Lawrence County?
The Census tracks 1 major project here as of Nov 6, 2026: 1 proposed. They are in Massena. The largest by published capacity is North Country Colocation Services Massena Expansion (635 MW).
Projects
| Project | Status | Capacity | Developer |
|---|---|---|---|
| North Country Colocation Services Massena Expansion Massena, St. Lawrence County, NY | Proposed | 635 MW | North Country Colocation Services (NCCS), an affiliate of New York Digital Investment Group (NYDIG) |
Moratoriums
| Jurisdiction | Action | Length | What the source says |
|---|---|---|---|
| Town of Massena New York · town |
Rejected Sep 16, 2026 |
— | Town board voted 3-2 against a proposed six-month moratorium on data center development. WWNY 7 NewsSource excerpt“The Massena town board voted against a six-month moratorium on data center development, moving the town closer to construction of a data center. The town board rejected the moratorium in a 3-2 vote.” |
| St. Lawrence County New York · county |
Rejected Jun 1, 2026 |
— | The county did not adopt a moratorium. It passed a resolution affirming local authority over data center siting and urged its municipalities to consider moratoriums of their own. Rockefeller Institute of GovernmentSource excerpt“passed a resolution affirming local authority” |
Recent changes
| Date | What changed | Project |
|---|---|---|
| Sep 16, 2026 | Massena Town Board votes 3-2 against a proposed six-month moratorium on data center development WWNY 7 News | North Country Colocation Services Massena Expansion |
| Aug 2026 | NCCS representatives tell the Massena Planning Board that planned on-site emergency generators have been cut from 314 to 68 to address noise concerns NNY360 (Watertown Daily Times) | North Country Colocation Services Massena Expansion |
| Jul 14, 2026 | Gov. Kathy Hochul signs Executive Order No. 62, pausing state DEC permits for data centers of 50 MW or more Office of the Governor of New York | North Country Colocation Services Massena Expansion |
| Jun 26, 2026 | Massena Town Planning Board holds a pre-submission meeting to discuss consultants and determine the lead agency for environmental review DatacenterDynamics | North Country Colocation Services Massena Expansion |
| May 27, 2026 | Local reporting counts about ten data center proposals under discussion in the Massena area, with this one furthest along WWNY 7 News | North Country Colocation Services Massena Expansion |
| May 18, 2026 | St. Lawrence County Planning Board chairman Vance Fleury calls the site plan premature, with too many unanswered questions; an earlier version described about 2.6 million gallons a day of river withdrawals and three buildings of 562,000, 612,000 and 400,000 sq ft NNY360 / Watertown Daily Times | North Country Colocation Services Massena Expansion |
| 2017 | NCCS begins operating at the Reynolds industrial site in Massena, on about 110 acres DatacenterDynamics | North Country Colocation Services Massena Expansion |
St. Lawrence County data centers: common questions
How many data centers are in St. Lawrence County, New York?
The Census tracks 1 major data center project in St. Lawrence County as of Nov 6, 2026: 1 proposed. That covers major sourced projects, not every smaller colocation or enterprise facility.
What is the biggest data center project in St. Lawrence County?
By published planned capacity, North Country Colocation Services Massena Expansion in Massena, at 635 MW. Its status is proposed.
Is there a data center moratorium in St. Lawrence County?
Town of Massena did not adopt a data center moratorium (Sep 16, 2026). St. Lawrence County did not adopt a data center moratorium (Jun 1, 2026). Details and sources are in the moratorium tracker.
This page collects the county-level record: every tracked project, moratorium and local rule we can source for St. Lawrence County. See all New York projects or look up projects near your ZIP code.
Cite this page
Last updated Nov 6, 2026. Figures may change as records are updated — include the date you retrieved them.
| APA | Data Center Census. (2026). Data centers in St. Lawrence County, New York. Retrieved from https://datacentercensus.com/us/new-york/st-lawrence-county |
|---|---|
| MLA | “Data centers in St. Lawrence County, New York.” Data Center Census, Nov 6, 2026, https://datacentercensus.com/us/new-york/st-lawrence-county. |
| Link | https://datacentercensus.com/us/new-york/st-lawrence-county |
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