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Data center project · Tompkins County, New York

Lake Hawkeye (Cayuga site)

Proposed · TeraWulf's plan to put a data center campus on a closed coal-plant site on Cayuga Lake, which faces a lawsuit and local opposition. Also known as: Cayuga Compute, Cayuga Data.

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Status
Proposed · as of April 30, 2026
Location
Former Milliken (Cayuga) power plant, Town of Lansing, on Cayuga Lake · Tompkins County
Power
400 MW
Land
183 acres
Developer and team
TeraWulf; Cayuga Operating Company
Water
DEC permit for up to 1 million gallons a day from Cayuga Lake (contested)
Evidence
Primary public records
Size class
50 MW or more (tracker scope)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.

Updates, newest first

  1. Sept. 30, 2026 NYISO's queue lists Cayuga Operating Company load requests of 88 MW and 162 MW at the Milliken substation. (New York Independent System Operator (NYISO), Sept. 30, 2026)
  2. Aug. 4, 2026 Spectrum News reported opponents had delivered a petition with 17,000 signatures to the town board and that the planning board said the plan needed more work. (Spectrum News, Aug. 4, 2026)
  3. Aug. 2026 TeraWulf said the site could support about 400 MW gross and did not expect operations before about 2029. (TeraWulf Inc., Aug. 2026)
  4. April 28, 2026 A judge denied motions to dismiss, letting the lawsuit go forward. (The Cornell Daily Sun, April 30, 2026)
  5. Jan. 29, 2026 Cayuga Lake Environmental Action Now (CLEAN) and FLX Strong sued TeraWulf and the zoning board in Tompkins County Supreme Court. (The Cornell Daily Sun, Feb. 5, 2026)
  6. Jan. 20, 2026 The Tompkins County Legislature voted 14-1 to ask DEC to reconsider a permit to draw more than 1 million gallons a day from Cayuga Lake. (The Cornell Daily Sun, Feb. 5, 2026)
  7. Dec. 2025 The Lansing Zoning Board of Appeals voted 3-2 to treat the data center as a general processing facility, and the town board withdrew a proposed moratorium. (The Cornell Daily Sun, April 30, 2026; The Cornell Daily Sun, Feb. 5, 2026)

Conflicts and open questions

  • Earlier crypto-mining load (50 MW, queue 0850) at the same substation is listed separately.

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