Kuna

Meta Platforms · Kuna, Idaho

Water — consumed, not returned

Taken from the basin396M gal/yr

Evaporated on site28.3M gal

Making the power367M gal

Basin stressHigh

Where the water comes from: Municipal potable supply
Cooling: Outside-air economization
Basis: Modelled from cooling design — WUE 0.20 L/kWh

Air — what the stacks emit

Nitrogen oxides37.4t/yr

Sulphur dioxide16.0t/yr

Fine particulates4.28t PM2.5

Health damages$3.24M/yr

Where it burns: WECC Northwest — Ore. / Wash.
Generation mix: Hydro 48 · Gas 22 · Wind 15 · Nuclear 6
CO₂e: 70.0 kt/yr — climate, not air quality

Who wanted it

Who asked for it: Meta — self-build
Who approved it: City of Kuna annexation; Idaho Power supply, with a new large-load tariff approved by the Idaho PUC in 2024 that requires 80% minimum demand charges
What it serves: Meta app serving and inference
IT capacity: 80 MW running of 300 MW announced

Idaho Power's tariff was one of the first in the country to require minimum demand charges from data centers, after the utility warned that a single campus could equal a fifth of its peak load.

water-stressed basinratepayer-cost dispute

Where it is

43.4915°, -116.4201°

Google Maps Satellite See it on the map

Water and air figures are modelled from disclosed capacity, not measured — site-level error is roughly ±40%. Diesel backup generators are not counted, so on-site figures are floors. Full method.