How much power does Fluidstack Lake Mariner use?

Fluidstack Lake Mariner has a reported power capacity of 117 MW.

Has Fluidstack Lake Mariner had environmental violations?

As of the latest EPA ECHO sync, no enforcement actions are on record for Fluidstack Lake Mariner.

Where is Fluidstack Lake Mariner located?

Fluidstack Lake Mariner is in BARKER, Niagara County, NY.

Mapped (unverified)hyperscale

Fluidstack Lake Mariner

7725 LAKE RD, BARKER, NY, 14012 · BARKER, Niagara County, NY

Source: Primary source

Fluidstack Lake Mariner is a mapped data center in Niagara County, NY. DataCentersExposed has documented 117 MW of reported power capacity at this site.

Reporting by Eric Keller · Updated Jun 13, 2026

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Real parent

—

Operator

—

Power

117 MW

Utility

New York State Elec & Gas Corp

Grid

NYIS

Attribution & capacity confidence:highprimary source

Status · click to filter

Most sites are mapped — located but awaiting a second source. How we verify

Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.

Overview

source: link

Fluidstack Lake Mariner — frontier AI data center campus tracked by Epoch AI, operated by Fluidstack. Estimated capital cost ~$3.8B (2025 USD). Located from Epoch AI's Frontier Data Centers dataset (CC-BY 4.0); operational status not independently verified.

The grid behind this site, right now

source: NYISO · gridstatus

Clean right now

52%

Fossil right now

42%

Grid operator

NYISO

Natural Gas42.0%
Nuclear27.8%
Hydro21.8%
Other6.3%
Wind2.1%

Real-time generation mix for the NYISO grid this site draws from, as of Jun 16, 2026, 2:30 PM. ISO-wide, not this facility's own metering. Source: gridstatus.

In the news

source: GDELT

TeraWulf tops out latest data center at Lake Mariner campus in New York - Data Center Dynamics
Data Center Dynamics· Mar 20, 2026

Tax breaks & subsidies

source: Good Jobs First / GASB 77

No per-deal tax break is linked to this site yet. No state discloses the recipient of a data-center abatement at the facility level, so per-site deals are rare in the public record. If you have a development agreement or board resolution for this site, send it to us.

Water use

Modeled estimate~1.7M gpd

Direct (onsite cooling)

~712.1K gpd

Indirect (its electricity)

~1M gpd

No measured record exists, so this is a low-confidence model from 117 MW (disclosed IT power): 1.2 L/kWh cooling (cool climate) + 0.45 gal/kWh embedded in US grid average. How we estimate. Have a utility document? Send it and we'll replace this with the real figure.

EPA permits & violations

source: EPA ECHO

No reported violations as of last sync.

Air quality near this site

source: AirNow

PM2.5

Moderate

Good

Air Quality Index from the nearest AirNow reporting area (Western New York Region), as of 2026-06-10. Regional context — not this facility's own emissions.

Who lives nearby

source: Census ACS 2023

Median household income

$66.6K

People of color

19%

Below poverty

14%

Tract population

3,072

Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.

Nearest school

source: HIFLD / NCES

The nearest public school, Pratt Elementary School in Barker, is 2.4 mi from this site (351 students).

Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).

Hearings timeline

No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.