Data center profile · 3545 Wiseman Boulevard (Westover Hills), San Antonio, Bexar County, Texas

Microsoft SAT14 (San Antonio)

Microsoft's two-building SAT14 data center on Wiseman Boulevard in west San Antonio: state filings show the shells finished and fit-outs inspected, but Microsoft has never published a MW figure

In service, fit-out continuing. State building filings show two data-center shells completed and colo fit-outs registered through Mar. 2026, with the latest phase marked inspection complete. No MW figure, utility service agreement or grid filing for the campus is public.
2 buildings
data-center shells registered and built
152,000 and 107,000 sq ft (state filing); press says up to five planned
$31.3M
estimated cost of the Phase 3 fit-out
60,000 sq ft; marked inspection complete (state filing)
Not published
campus power in MW
no Microsoft, utility or state record states a figure
OperatorMicrosoft (owner in state filings)
CustomerNone named beyond Microsoft as owner
Planned IT capacity51 MW at full build-out (our estimate)
First building in serviceIn service since March 2026 (about 47 MW of IT capacity live, estimated)
Next stepNone published; no further state building registration found
Power

Power and the grid

Sources on record, size not disclosed

Getting on the grid

Permits

Permits checklist

4 granted · 1 checked, nothing on file

Approvals on record for the campus, from state and city filings.

Risks

What could slow it down

Money

Money on record

$154.9M
estimated cost of site work and two shells
Phase 1 state registration, 2021 State agency · Oct. 2021
$26.8M
estimated cost of the Phase 2 colo fit-out
state registration State agency · March 2026
$31.3M
estimated cost of the Phase 3 fit-out
state registration State agency · Oct. 2026
~$200M
price tag for up to five buildings (press)
press figure; not tied to a filing News report · Oct. 2026
Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
  1. Aug. 12, 2021
    Permits Commercial site-work permit filed with the city Local building-permit records · Aug. 2021
  2. Oct. 1, 2021
    Permits Site work and two building shells registered with the state, owner Microsoft State agency · Oct. 2021
  3. Jan. 31, 2022
    Construction City issues the foundation and shell permits for the 152,120 sq ft building Local building-permit records · Jan. 2022
  4. March 21, 2022
    Construction Fit-out of the admin area and two data-center colos in Building 1 filed Local building-permit records · March 2022
  5. May 9, 2024
    Permits City approves further colo finish-out work on the campus Local building-permit records · May 2024
  6. Oct. 1, 2024
    Construction Electrical permits issued for Phase 2 work in Buildings 1 and 2 Local building-permit records · Oct. 2024
  7. March 2026
    Construction Scheduled completion date for the Phase 3 fit-out, now marked inspection complete State agency · Oct. 2026
  8. April 17, 2026
    Permits Latest city permit on record: minor electrical changes at the campus Local building-permit records · April 2026
Construction activity

Building activity by quarter

Since Aug. 2021: 19 building permits (11 issued or finished, 7 pending or open, 1 withdrawn or expired). Job values are not added up: trade permits often repeat the whole project's value.

Building permits
’22
’23
’24
’25
’26
Dot size: records in the quarter, largest = 6. Two-digit years mark each first quarter.
The buildings

Specs

152,000 + 107,000 sq ft
two building shells in the Phase 1 state registration
60,000 sq ft
Phase 3 fit-out of an admin area and one data-center colo
46,000 sq ft
Phase 2 fit-out of one colo
Up to 5 buildings
350,000 sq ft in all, per press; filings cover two shells
Other data centers within 40 km (21)
This campus (footprint)
33 ac
ALE061 Data Center
62 ac
Cloudt Tract
41 ac
12807 Donop Rd Data Center
10 ac
7400 Potranco Rd Data Center
9 ac
San Antonio 3 Data Center
3 ac
Who is involved

Owners, partners and builders

Owner
  • Microsoft: owner in state building registrations
Builders
  • Page Southerland Page: design firm for the Phase 3 fit-out
  • Dynamic Systems Inc.: contractor on the 2022 Building 1 fit-out permit
Utility
  • CPS Energy: city-owned utility for the area (press)
Builders on site
  • Big State Electric LTD: 2 building permits
Still unknown

Open questions

Where this comes from

61 records from 10 documents

Drawn from news reports, state agency records and public and commercial datasets, each kept with its date and source. The bar shows documents by type.

News report 4State agency 3Dataset 3
Evidence

Every quote behind this page

Grade key: A = the primary record itself (permit, filing, exhibit) · B = a dated official statement · C = news reporting. Map distances are our own measurements on OpenStreetMap and carry no grade. Allegations in lawsuits are marked as such in the quotes.

Power (5)
  • Third-party estimate on an unstated basis; no Microsoft, CPS Energy or TDLR source denominates SAT14 load, so no MW
    “Facility Name: SAT14 Data Center”
  • SAT14 sits in Westover Hills, San Antonio, inside the service territory of city-owned CPS Energy. No SAT14-specific electric service agreement, interconnection filing, tariff record or MW figure has been published; CPS E
    “City-owned utility CPS Energy provides power at about $0.05 per kW.”
  • Epoch AI's data-center tracker (Sep 15, 2026 listing, via Paciva monitor) lists Microsoft SAT14 as operating and estimates 47 MW of current power. That is a third-party modeled estimate with no named basis (not IT capacity,
    “Epoch AI estimates 47 MW current power”
  • these are third-party dataset estimates on an unstated basis - no Microsoft, CPS
    “The company is planning up to five buildings on the site - known as SAT14 - with 350,000 sq ft (32,500 sqm) of space and a price tag of $200 million.”
  • Microsoft's 20-year Keechi Wind PPA (110 MW, RES Americas, signed 2013) applies REC offsets across Microsoft's operations and expressly does not deliver energy to the San Antonio data center; it is portfolio context, not
    “The 477,000 sq ft San Antonio data center will not receive energy from the wind farm directly.”
Money and contracts (2)
  • Planned build-out: up to five buildings, 350,000 sq ft, $200 million (press-reported plan)
    “The company is planning up to five buildings on the site - known as SAT14 - with 350,000 sq ft (32,500 sqm) of space and a price tag of $200 million.”
  • Project identity: Microsoft SAT14 data center campus, 3545 Wiseman Blvd, San Antonio TX; reported as up to five buildings totaling 350,000 sq ft at a $200M price tag; the TDLR TABS registration records SAT14 Phase 3 fit-
    “The company is planning up to five buildings on the site - known as SAT14 - with 350,000 sq ft (32,500 sqm) of space and a price tag of $200 million.”
Permits and government (25)
  • SAT14: Registered 10/1/2021; current status Inspection Complete
    “Finish-out / fit-out of admin area and one data center colo within shell facility.”
  • building registration (new construction): Registered 10/1/2021; current status Project Closed (fresh fetch Oct. 19, 2026)
    “Site and two building shells (152,000 sf and 107,000 sf).”
  • building registration (new construction): Registered 10/1/2021; current status Inspection Complete
    “Finish-out / fit-out of one colo of data center within shell facility.”
  • building registration (new construction): Registered 10/1/2021; current status Inspection Complete
    “Finish-out / fit-out of admin area and one data center colo within shell facility.”
  • building permit: Electrical general permit / Commercial: filed
    “Permit number: MEP-ELE-PMT26-33310508 · Type: Electrical general permit · Status: filed · Effective date: April 17, 2026 · Business: BIG State Electric LTD · Address: 3545 WISEMAN BLVD · Description: Ms sat 14; addition receptacle for tv. Addition light fixtures”
  • building permit: Mep trade permits application / Commercial: issued
    “Permit number: MEP-TRD-APP26-33110508 · Type: Mep trade permits application · Status: issued · Effective date: April 17, 2026 · Business: BIG State Electric LTD · Address: 3545 WISEMAN BLVD · Description: Misc electrical changes per owner request; addition receptacle for tv. Addition light”
  • building permit: Commercial project application: filed
    “Permit number: COM-PRJ-APP21-39801978 · Type: Commercial project application · Status: filed · Effective date: Feb. 17, 2026 · Business: David Brown; Matt Haller; TOM · Address: 3545 WISEMAN BLVD · Description: Sp - special project - sat14 phase I ifo - 3545 wiseman blvd bldgs 1-3”
  • building permit: Mep trade permits application / Commercial: expired
    “Permit number: MEP-TRD-APP24-33116389 · Type: Mep trade permits application · Status: expired · Effective date: Dec. 9, 2024 · Business: Greg Rhodes · Address: 3545 WISEMAN BLVD · Description: Set up of beneficial use generators; set up of beneficial use generators”
  • building permit: Electrical general permit / Commercial: issued
    “Permit number: MEP-ELE-PMT24-33328284 · Type: Electrical general permit · Status: issued · Effective date: Oct. 1, 2024 · Business: Robert Goodlander · Address: 3545 WISEMAN BLVD · Description: Sat14 ph2 building 1 electrical permit; mv scope of work lv electrical scope of work fire alar”
  • building permit: Electrical general permit / Commercial: issued
    “Permit number: MEP-ELE-PMT24-33328426 · Type: Electrical general permit · Status: issued · Effective date: Oct. 1, 2024 · Business: Robert Goodlander · Address: 3545 WISEMAN BLVD · Description: Sat14 ph2 building 2 electrical permit; interior and exterior fit out including the following:”
  • building permit: Mep trade permits application / Commercial: issued
    “Permit number: MEP-TRD-APP24-33128426 · Type: Mep trade permits application · Status: issued · Effective date: Sept. 27, 2024 · Business: Robert Goodlander · Address: 3545 WISEMAN BLVD · Description: Interior and exterior fit out including the following: mv scope of work lv electrical scop”
  • building permit: Mep trade permits application / Commercial: issued
    “Permit number: MEP-TRD-APP24-33128284 · Type: Mep trade permits application · Status: issued · Effective date: Sept. 24, 2024 · Business: Robert Goodlander · Address: 3545 WISEMAN BLVD · Description: Interior and exterior fit out including the following: mv scope of work lv electrical scop”
  • building permit: Commercial project application: approved
    “Permit number: COM-PRJ-APP23-39803090 · Type: Commercial project application · Status: approved · Effective date: May 9, 2024 · Address: 3545 WISEMAN BLVD · Description: Sp-special project-sat14 building 2 - colo 3-3545 wiseman blvd; finish out of colo 3 com-prj-app21-39801977- site”
  • building permit: Commercial project application: approved
    “Permit number: COM-PRJ-APP23-39803093 · Type: Commercial project application · Status: approved · Effective date: May 9, 2024 · Address: 3545 WISEMAN BLVD · Description: Sp-special project-sat14 building 3 - full finish out-3545 wiseman blvd; finish out of sat14 building 2 2021 build”
  • building permit: Commercial project application: filed
    “Permit number: COM-PRJ-APP21-39801977 · Type: Commercial project application · Status: filed · Effective date: Oct. 17, 2023 · Business: Christopher Urbanczyk; Daniel · Address: 3545 WISEMAN BLVD · Description: Sp - special project - sat14 data center site foundation & shell - 3545 wiseman blvd bl”
  • building permit: Commercial retaining wall permit: issued
    “Permit number: COM-RW-PMT22-41100035 · Type: Commercial retaining wall permit · Status: issued · Effective date: July 28, 2022 · Address: 3545 WISEMAN BLVD · Description: Minor structures - microsoft sat14; retaining walls”
  • building permit: Commercial finish out permit: filed
    “Permit number: COM-IFO-PMT21-40500266 · Type: Commercial finish out permit · Status: filed · Effective date: March 21, 2022 · Business: Dynamic Systems INC · Address: 3545 WISEMAN BLVD · Description: Microsoft team; fit-out (interior finish out) of the administrative area and two data center colos i”
  • building permit: Commercial foundation permit: issued
    “Permit number: COM-FND-PMT22-40300011 · Type: Commercial foundation permit · Status: issued · Effective date: Jan. 31, 2022 · Business: Matt Haller; TOM Cucuz · Address: 3545 WISEMAN BLVD · Description: Microsoft team supervisor”
  • building permit: Commercial foundation permit: issued
    “Permit number: COM-FND-PMT22-40300012 · Type: Commercial foundation permit · Status: issued · Effective date: Jan. 31, 2022 · Business: Matt Haller; TOM Cucuz · Address: 3545 WISEMAN BLVD · Description: Microsoft team supervisor”
  • building permit: Commercial retaining wall permit: filed
    “Permit number: COM-RW-PMT22-41100005 · Type: Commercial retaining wall permit · Status: filed · Effective date: Jan. 31, 2022 · Business: Christopher Urbanczyk; Daniel · Address: 3545 WISEMAN BLVD · Description: Sp - special project - sat14 data center site foundation & shell - 3545 wiseman blvd b”
  • building permit: Commercial shell permit: issued
    “Permit number: COM-SHL-PMT22-40400013 · Type: Commercial shell permit · Status: issued · Effective date: Jan. 31, 2022 · Business: Daniel Parsell; David Brown; M · Address: 3545 WISEMAN BLVD · Description: Microsoft team supervisor; 152 120 sqft office/data center”
  • building permit: Commercial shell permit: filed
    “Permit number: COM-SHL-PMT22-40400014 · Type: Commercial shell permit · Status: filed · Effective date: Jan. 31, 2022 · Business: Matt Haller; TOM Cucuz · Address: 3545 WISEMAN BLVD · Description: Microsoft team supervisor; 106 428 sqft office/data center”
  • building permit: Commercial sitework permit: filed
    “Permit number: COM-SIT-PMT21-40100395 · Type: Commercial sitework permit · Status: filed · Effective date: Aug. 12, 2021 · Business: Matt Haller; TOM Cucuz · Address: 3545 WISEMAN BLVD · Description: Microsoft team; *”
  • San Antonio City Council voted 8-3 to grant Microsoft an exception to the Tree Preservation Ordinance for a 33-acre tract on Wiseman Blvd (Stonegate Hill), the tract Microsoft bought around Valero Energy's Wiseman Blvd d
    “The City Council voted 8-3 to approve the exception on Thursday, affirming a 6-1 vote by the Planning Commission in December.”
  • San Antonio City Council voted 8-3 to grant Microsoft an exception to the Tree Preservation Ordinance for a 33-acre Wiseman Blvd tract (Stonegate Hill) in the SAT14 land assembly: $1.47M into the city tree mitigation fun
    “The City Council voted 8-3 to approve the exception on Thursday, affirming a 6-1 vote by the Planning Commission in December.”
Site and other (10)
  • Status: Active development; SAT14 Phase 3 fit-out registered with a 10/1/2021 start and 3/31/2026 scheduled completion; current TABS status is Inspection Complete
    “Current Status: Inspection Complete”
  • Project status: operating - two building shells complete (Phase 1 Project Closed) and Phase 2 / Phase 3 fit-outs Inspection Complete with 3/31/2026 completion dates
    “Finish-out / fit-out of one colo of data center within shell facility.”
  • County code: 48029
    “Facility Name: SAT14 Data Center”
  • Address: 3545 Wiseman Boulevard, San Antonio, TX 78251
    “3545 Wiseman Boulevard”
  • Operator: Microsoft
    “Owner Name: Microsoft”
  • Address: 3545 Wiseman Boulevard, San Antonio, TX 78251
    “Location Address: 3545 Wiseman Boulevard”
  • Announced: July 6, 2021
    “Project Name: SAT14 - Phase 1 Project Number: TABS2021019142 Facility Name: SAT14 Data Center”
  • Microsoft's SAT80/SAT81 (and planned SAT82) campus is in Castroville, Medina County, and SAT15/SAT16 are at 3555 Westover Link; coverage of those sites is not evidence for SAT14 at 3545 Wiseman Blvd
    “Microsoft is already building two data centers at the same location. Known as SAT 80 and SAT 81”
  • Other Microsoft San Antonio campuses are separate records: SAT80/81/82 in Castroville (Medina County), SAT46 in Texas Research Park (15000 Lambda Drive), and SAT15/SAT16 at 3555 Westover Link next door. Figures or filing
    “It will sit on the same site as the SAT 15 data center”
  • SAT15/SAT16 (3555 Westover Link), SAT40/SAT46 (15000 Lambda Drive) and SAT80-82 (Castroville, Medina County) are separate Microsoft campuses. Their filings and figures do not belong to SAT14 at 3545 Wiseman Blvd.
    “Microsoft is also developing a campus at 3545 Wiseman Blvd, San Antonio.”

Imagery and records: Building permits: ATTOM.