# Stream Data Centers Wilmer I (DFW B) Data Center Campus

ERCOT data center · https://askthegrid.com/assets/facilities/stream-data-centers-wilmer-i-dfw-b-data-center-campus--grid-load-a68ba5ef0879b7bc

Stream Data Centers' Wilmer I campus, also called DFW B, is a 77-acre hyperscale data center campus in Wilmer, Dallas County, Texas. Stream plans three buildings and 690,000 square feet at full build, and describes it as fully leased. An existing facility was reported operating since 2024, and a core-and-shell expansion of 85,625 square feet was registered with the state in October 2025. Stream cites 90 MW of critical capacity at full build and a dedicated on-site Oncor substation, which it lists at 150 MW.

## Identity and location

- Operating status: operating
- Asset scope: campus
- Location: 300 S. Sunrise Road, Wilmer, Dallas County, TX
- Operator: Stream Data Centers (exact asset)
- Developer: Stream Data Centers (exact asset)
- Owner: SDC DFW VIII, L.P. (exact asset)
- Tenant: Google (exact asset)

## Power and grid context

- Critical it load: 90 MW · proposed · campus — Critical capacity of the campus at full build across three hyperscale buildings
- Utility service: 150 MW · reported · campus — Stated capacity of the on-site Oncor substation
- Utility service: 40 MW · reported · campus — Each of two dedicated underground utility feeds
- Reported unspecified: 5 MW · proposed · exact asset — Each of the second and third data halls added in a state-registered phase
- ISO/RTO: ERCOT
- Substation: Dedicated on-site Oncor substation

## Development

- Site area: 77.28 acres

## Compute and operations

- Facility classes: hyperscale
- Announced tenants: Google LLC, listed as occupant in the Texas Comptroller data center registry
- Critical IT load: 90 MW

## Sources

- [May 07, 2026 City Council - Wilmer, TX](https://wilmertx.new.swagit.com/videos/386666)
- [TDLR TABS - Project Details](https://www.tdlr.texas.gov/TABS/Projects/TABS2026004027)
- [Data Centers Dallas - Wilmer, Texas | Stream Data Centers](https://www.streamdatacenters.com/locations/dfw-b-wilmer/)
- [Wilmer, Texas: Why Wilmer Stays Top of Mind - Site Selection Magazine](https://siteselection.com/why-wilmer-stays-top-of-mind/)
- [Project Details](https://www.tdlr.texas.gov/TABS/Search/Print/TABS2024006261)
- [https://public.destinyhosted.com/wilmedocs/2025/PZ/20250424_1523/1633_Final_Plat_Stream_Wilmer_SDC_DFW_VIII-20250306.pdf](https://public.destinyhosted.com/wilmedocs/2025/PZ/20250424_1523/1633_Final_Plat_Stream_Wilmer_SDC_DFW_VIII-20250306.pdf)
- [TDLR TABS - Project Details](https://www.tdlr.texas.gov/TABS/Projects/TABS2024006261)
- [Data Centers in Texas](https://comptroller.texas.gov/taxes/data-centers/data-center-lists.php)
- [https://services.arcgis.com/xOi1kZaI0eWDREZv/ArcGIS/rest/services/Address_Points_from_National_Address_Database_view/FeatureServer/0/query?f=json&where=Add_Number%3D300&geometry=-96.731713%2C32.553691%2C-96.671713%2C32.613691&geometryType=esriGeometryEnvelope&inSR=4326&spatialRel=esriSpatialRelIntersects&outSR=4326&outFields=%2A&returnGeometry=true&resultRecordCount=2000](https://services.arcgis.com/xOi1kZaI0eWDREZv/ArcGIS/rest/services/Address_Points_from_National_Address_Database_view/FeatureServer/0/query?f=json&where=Add_Number%3D300&geometry=-96.731713%2C32.553691%2C-96.671713%2C32.613691&geometryType=esriGeometryEnvelope&inSR=4326&spatialRel=esriSpatialRelIntersects&outSR=4326&outFields=%2A&returnGeometry=true&resultRecordCount=2000)

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Canonical page: https://askthegrid.com/assets/facilities/stream-data-centers-wilmer-i-dfw-b-data-center-campus--grid-load-a68ba5ef0879b7bc
Profile generated: 2026-11-02T21:33:25.044031Z
Source: Ask the Grid — https://askthegrid.com/