TeraWulf Lake Mariner Campus
750 MW AI data center in Barker, NY, United States: operational.
- Capacity: 750 MW
- Location: Barker, NY, United States
- Developer: TeraWulf
- Tenant: Fluidstack
- Status: operational
- Estimated cost: $2.2B
TeraWulf Lake Mariner Campus is a 750 MW AI data center project located in Barker, NY, United States, currently operational. It is being built by TeraWulf for tenant Fluidstack. The estimated build cost is $2.2B. This project is one of thousands of data-center facilities tracked by Data Center Index across NY, United States, covering operational, under-construction, announced, and permitted sites.
Notes
Users: Anthropic, G42; Epoch 'Current power' = 68 MW (may include campus expansions); Cost modeled at ~$44B/GW by Epoch AI
Public companies linked to TeraWulf Lake Mariner Campus
Developers, tenants, and suppliers tracked by Data Center Index with exposure to this project:
- Anthropic (ANTHROPIC), tenant · ai lab
- Alphabet (GOOGL), investor · hyperscaler
- Fluor Corp (FLR), engineering · construction · mid DC exposure
Related data center projects
- TeraWulf Muskie Data Campus, 1 GW, Ashland, KY, United States · announced
- TeraWulf Chesapeake Data Campus (Morgantown Generating Station), 1 GW, Newburg, MD, United States · announced
- TeraWulf Justified Data Campus, 401 MW, Hawesville, KY, United States · announced
- TeraWulf Cayuga Data Campus (Lake Hawkeye), 400 MW, Lansing, NY, United States · paused
- Stratos Hyperscale Data Center, 9 GW, Snowville, UT, United States · announced
- PORTS-Pike Technology Campus, 8 GW, Piketon, OH, United States · under construction
- Nexus Hubbard Campus, 7.7 GW, Hubbard, TX, United States · under construction
- Meta Hyperion, 5 GW, Holly Ridge, LA, United States · under construction
Frequently asked questions
- What is TeraWulf Lake Mariner Campus?
- TeraWulf Lake Mariner Campus is an AI data center project in Barker, New York tracked by Data Center Index. Its status is operational.
- Where is TeraWulf Lake Mariner Campus?
- TeraWulf Lake Mariner Campus is in Barker, New York. Every tracked New York campus, with counts and capacity, is at https://datacenterindex.ai/markets/new-york.
- How big is TeraWulf Lake Mariner Campus?
- Data Center Index tracks TeraWulf Lake Mariner Campus at 750 MW, on an estimated $2.2B build. 102 MW of that is live today. That capacity is an estimate. We modeled or inferred it, and no source states it.
- Who is building TeraWulf Lake Mariner Campus?
- TeraWulf is developing TeraWulf Lake Mariner Campus, with Fluidstack named as the tenant.
- Which public companies are linked to TeraWulf Lake Mariner Campus?
- Data Center Index links 3 tracked public companies to TeraWulf Lake Mariner Campus: Anthropic (ANTHROPIC), Alphabet (GOOGL), Fluor Corp (FLR). Each is a developer, tenant or supplier with a sourced link to the project.
Sources
- Epoch AI Frontier Data Centers (epoch · aggregator · 2026-04-29)
- TeraWulf Reports Second Quarter 2026 Results (investors.terawulf.com · press · 2026-08-05)
- Construction Review Online (constructionreviewonline.com · press · 2026-08-08)
- TeraWulf Q2 2026 earnings release (SEC EDGAR 8-K exhibit) (sec.gov · filing · 2026-08-05)
- TeraWulf (press release) (investors.terawulf.com · press · 2026-05-08)
- Lake Mariner Data (TeraWulf project site) (lakemarinerdata.com · press · 2026-09-20)
- TeraWulf Announces Fluidstack Expansion with 160 MW CB-5 Lease at Lake Mariner (investors.terawulf.com · press · 2025-08-18)
- Yahoo Finance (finance.yahoo.com · press · 2026-08-05)
- Data Center Frontier (datacenterfrontier.com · press · 2026-05-26)
- finance.yahoo.com (press · 2026-09-12)