Kuna

Meta Platforms · Kuna, Idaho

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The resource footprint

Modelled average

In one day, this campus consumes about

1.6450-metre swimming pools

Filled with the volume of water consumed by the campus and its electricity supply.

The actual estimate1,083,604 US gallons consumed

50-metre pools · 2 metres deep

Each diagram = 1 pool. Partial shading shows the remainder.

At the campus77,400 galMaking its electricity1,006,204 gal

Power-plant water may come from a different watershed. This is a volume comparison, not a claim that households lose this water.

At current operating capacity · Annual model spread evenly over time, not a live meter. Site estimates may differ by roughly ±40%.

Comparison sizes & sources

One pool = 50 × 25 × 2 metres = 2.5 million litres (about 660,430 US gallons). Pool depths vary; this is a defined comparison size.

One home-year = 10,791 kWh, the EIA’s 2022 average US residential electricity purchases. This excludes electricity generated at home and is a fixed US benchmark for all sites.

One car-year = 4.6 tonnes CO₂, the EPA’s typical passenger vehicle tailpipe estimate. The campus model is in CO₂e; the comparison expresses approximate climate scale, not equal mixtures of pollutants.

Monthly values are annual totals ÷ 12; daily values are annual totals ÷ 365. Actual demand varies. Comparisons cover the whole campus, including non-AI uses.

Water: see the numbers and sources

This is water used up, mainly through evaporation. Power-generation water may be used in a different watershed.

Total water use396M gal/yr

Evaporated on site28.3M gal

Making the power367M gal

Household comparison4,944homes, at 80,000 gal/year

Pressure on local water: High — a regional measure of demand compared with available water
Where the water comes from: Municipal potable supply
Cooling: Outside-air economization
Basis: Modelled from cooling design — WUE 0.20 L/kWh

Air: see the numbers and sources

The totals include nitrogen oxides, sulphur dioxide and fine particles. They cover both this site and the power plants supplying it.

Nitrogen oxides37.4t/yr

Sulphur dioxide16.0t/yr

Fine particulates4.28t PM2.5

Health (EPA)$3.24M/yr

Health range: $1.10–3.24 million a year. Lower bound is EASIUR national mid-range; upper is EPA benefit-per-ton at a ~$12M VSL.
Statistical deaths: 0.27 a year at that VSL — a national-average conversion from tons, not a local concentration study.
Equals: 46,787 cars of NOx
Where it burns: WECC Northwest — Ore. / Wash.
Generation mix: Hydro 48 · Gas 22 · Wind 15 · Nuclear 6
Diesel backup: Diesel backup is not yet counted for this campus, so on-site air figures are a floor.
CO₂e: 70.0 kt/yr — climate, not air quality

The project, approvals and community concerns

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 current capacity / 300 MW full-build scenario

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

Keep this guide handy

43.4915°, -116.4201°

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Quote or share these estimates

Gigawatt Ledger (2026). Kuna: water and air. https://gigawatt-ledger.pages.dev/site/kuna/. Modelled from disclosed capacity; site-level error ±40%.

Include the estimate’s date, whether it describes current or proposed capacity, and its uncertainty. Get an embeddable card.

Gigawatt Ledger · September 2026. Water and air figures are estimated from public records and disclosed capacity. How we calculate them · Use this in your community.