This is a source-attributed discovery row. It can help you find a place and its citations; it is not a DataCenterData finding that the facility is distinct or currently operating.
Facility snapshot
- Operator as published
- Microsoft
- Address and locality
- 1657 Alviso-Milpitas Road · San Jose (Alviso) · Santa Clara County · California
- Lifecycle status
- reported under construction
- Facility type
- data center
- Reported capacity
- Planned: 48 MW (source-reported; boundary not independently verified)
- Source freshness
- 14 September 2026
- Location precision
- approximate
- Source confidence
- confirmed
- Stable directory ID
dcd-dir-000961
What the source record says
Microsoft's first self-owned/operated data center in San Jose. Groundbreaking June 10, 2026, target completion 2028. 64-acre site (1657 Alviso-Milpitas Rd), two-building campus. Distinct from the already-tracked Prologis San Jose records.
Any MW value is reproduced as source-reported context. Its measurement boundary is not established consistently enough for comparison. Unknown is not zero.
Status history supplied by the source
- 2026-06-10 · reported under construction
Sources and attribution
- Microsoft breaks ground on Alviso data center campus in San Jose, California · Data Center Dynamics
- Microsoft breaks ground on new data center in San Jose · NBC Bay Area
- Microsoft breaks ground on data center in Alviso · SV Daily
- Connect CRE — Microsoft Breaks Ground on Long-Planned North San Jose Data Center Site
- HITT Contracting breaks ground on Microsoft Alviso datacenter · HITT Contracting
- San Jose Data Center (19-SPPE-04), applicant Microsoft Corporation, 1657 Alviso-Milpitas Road · California Energy Commission
Adapted from Compute Atlas by Edward Kubiak, edition 1.33.0, under CC BY 4.0. Upstream ID microsoft-alviso-san-jose-ca. Filtered to data-center records in the 50 U.S. states; selected fields normalized for search and display; DataCenterData directory IDs added.
This does not mean the row is wrong. It means DataCenterData has not promoted it through the independent evidence workflow.