Phoenix West cluster

Microsoft · Google · Vantage · Aligned · Goodyear / El Mirage, Arizona

Water — consumed, not returned

Taken from the basin1,917M gal/yr
Evaporated on site389M gal
Making the power1,527M gal
Basin stressExtremely High
Where the water comes from
Municipal potable supply
Cooling
Mixed — newer halls air-cooled, older evaporative on municipal supply
Basis
Fitted to a published figure of 390 million gallons a year

Air — what the stacks emit

Nitrogen oxides723t/yr
Sulphur dioxide530t/yr
Fine particulates81.9t PM2.5
Health damages$72.8M/yr
Where it burns
WECC Southwest — Ariz. / N.M.
Generation mix
Gas 46 · Nuclear 22 · Solar 14 · Coal 12
CO₂e
1,792 kt/yr — climate, not air quality

Who wanted it

Who asked for it
Hyperscalers and their enterprise customers
Who approved it
City of Goodyear water service agreements; Arizona's 2023 Phoenix-area groundwater ruling halted new subdivisions on groundwater but did not restrict industrial users
What it serves
Azure and Google Cloud west US regions plus wholesale colocation
IT capacity
800 MW running of 1,800 MW announced

Phoenix stopped approving new housing on groundwater in 2023 while continuing to approve data centers — the sharpest illustration anywhere of how water allocation politics actually break down between residential and industrial demand.

water-stressed basinaquifer drawdown

Where it is

33.4353°, -112.3576°

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.