{"id":"8447c201-da69-482d-b6f8-338ab1252f0b","slug":"terawulf-lake-mariner-barker-new-york","name":"Lake Mariner Data Campus","aliases":["Lake Mariner","Somerset NY campus","former Somerset coal plant"],"locationId":"37aa670c-26dd-4434-b2cd-ca786e1b2b15","lat":43.3287,"lng":-78.635,"locationPrecision":"city","landStatus":"former_industrial","lifecycleState":"partially_energized","powerSourceMix":"grid","interconnectionQueueStatus":null,"interconnectionQueueId":null,"expectedEnergizationDate":null,"dedicatedSubstation":null,"gridOperator":"NYISO","waterSourceNotes":"Closed-loop cooling that does not draw from Lake Ontario despite the lakeside location and legacy coal-plant intake; the campus uses only a few gallons of utility water daily.","servingUtility":null,"acreage":null,"totalBuildingSqft":null,"streetAddress":null,"notes":"TeraWulf's flagship campus on the former Somerset coal-plant site in Barker, NY. Per the Q1 FY2026 10-Q (as of March 31, 2026) the site operated 145 MW of legacy bitcoin mining plus 60 MW of critical IT HPC, with La Lupa and Akela SPVs together representing 438 MW of contracted critical IT HPC. Company guides to ~500 MW gross near-term and potential ~750 MW subject to NYISO approvals. Anchor tenants are Fluidstack (~360 MW incl. the 160 MW CB-5 building, backstopped by Google) and Core42. Timing of remaining HPC energization extends through 2026.","keyFacts":[{"label":"Fluidstack hosting (announced)","value":"Two 10-year HPC colocation agreements with Fluidstack for more than 200 MW of critical IT load (~250 MW gross) at Lake Mariner ([TeraWulf IR, Aug 14 2025](https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with))","sourceUrl":"https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with"},{"label":"Contract value (announced)","value":"About $3.7B contracted revenue over initial 10-year terms; two five-year extension options could bring total to about $8.7B ([TeraWulf IR](https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with))","sourceUrl":"https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with"},{"label":"Google backstop","value":"Google backstops $1.8B of Fluidstack lease obligations for project debt and receives warrants for ~41M TeraWulf shares (~8% pro forma) ([TeraWulf IR](https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with))","sourceUrl":"https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with"},{"label":"Deployment schedule (targeted)","value":"Phase one ~40 MW critical IT targeted 1H 2026; full 200+ MW targeted by year-end 2026 ([TeraWulf IR](https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with))","sourceUrl":"https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with"},{"label":"Site design (claimed)","value":"Purpose-built for liquid-cooled AI; dual 345 kV transmission, closed-loop water cooling, ultra-low-latency fiber ([TeraWulf IR](https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with))","sourceUrl":"https://investors.terawulf.com/news-events/press-releases/detail/112/terawulf-signs-200-mw-10-year-ai-hosting-agreements-with"},{"label":"CB-5 expansion option","value":"Fluidstack granted exclusivity window for CB-5 adding potential 160 MW critical IT at Lake Mariner (follow-on IR Aug 27 2025) ([TeraWulf IR CB-5](https://investors.terawulf.com/news-events/press-releases/detail/114/terawulf-announces-fluidstack-expansion-with-160-mw-cb-5))","sourceUrl":"https://investors.terawulf.com/news-events/press-releases/detail/114/terawulf-announces-fluidstack-expansion-with-160-mw-cb-5"}],"reviewStatus":"reviewed","sources":[{"url":"https://www.sec.gov/Archives/edgar/data/0001083301/000108330126000092/wulf-20260331.htm","date":"2026-05-01","title":"TeraWulf Inc. 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