San Antonio, Texas

Microsoft SAT40

Operating checked 1 Nov 2026

75 MWpower online now

75 MWpeak planned or projected

$2.8Bestimated capital cost, built so far

TXTexas

Facts

Owner: Microsoft
Chips: H100, B300

Timeline

2018-12-28

Land clearing begins for the site, specifically digging up a parking lot and making outlines for the buildings. Evident on [Google Earth](https://earth.google.com/web/@29.4149522,-98.80304495,292.48816289a,1532.49619452d,35y,0h,0t,0r/).

2024-05-24

Building 1 operational. Estimated 3 months out from February, when there was still construction equipment.

66 MW

2025-12-01

Building 2 operational. No more construction on building, and surrounding roads are also complete.

106 MW

2026-02-04

Site has already been completed, with no more visible construction on any building.

106 MW

Past entries are observations; entries marked projected are estimates and can change.

Sources (checked 1 Nov 2026)

Data: Epoch AI, AI data centers dataset, licensed CC BY 4.0. We selected fields, cleaned location names, and added the status label.