Lake Mariner Data campus
Under constructionNew York · Niagara · last verified Sep 17, 2026
- Developer
- TeraWulf
- Tenant
- Fluidstack (~360 MW, Google-backstopped); Core42
- Location
- Barker, Niagara, New York
- Announced capacity
- 750 MW
- Capacity confidence
- Reported, partly confirmed
- Phase one
- —
- Site
- —
- Utility
- NYISO; dual 345 kV lines
- Power source
- grid (Niagara hydro access)
- Reported investment
- —
- Announced
- Aug 18, 2025
- Target online
- CB-5 (160 MW) operations H2 2026
Notes
750 MW is stated potential; near-term gross capacity ~500 MW; site also hosts Bitcoin mining.
Location
Approximate coordinates: 43.3300, -78.5500 · open in OpenStreetMap
Sources
- May 26, 2026 TeraWulf's Lake Mariner Campus: How a Retired Coal Plant Became an AI Factory Prototype · Data Center Frontier
- Aug 18, 2025 TeraWulf Announces Fluidstack Expansion with 160 MW CB-5 Lease at Lake Mariner · TeraWulf
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