# Mesones Prime Data Center Campus

ERCOT data center · https://askthegrid.com/assets/facilities/mesones-prime-data-center-campus--grid-load-8785fcfe47ae95e8

Mesones Prime is a proposed data center campus on a tract in Jarrell, Williamson County, Texas, in the ERCOT region. The developer markets the land as a site prepared for AI and hyperscale compute and plans on-site natural gas generation alongside grid power. Utility, development and tax-incentive agreements had not been finalized in the latest dated report, and no end user has been named.

## Identity and location

- Operating status: proposed
- Asset scope: campus
- Location: 3911 County Road 305, Jarrell, Williamson County, TX
- Developer: Prominent Property Group (exact asset)
- Developer: Savannah Developers (exact asset)
- Developer: Power Infrastructure Partners (exact asset)

## Power and grid context

- Available power: 200 MW · proposed · exact asset — Available power at full buildout from natural gas and grid power
- Reported unspecified: 200 MW · proposed · exact asset — Developer's planned scalable site power
- Reported unspecified: About 264 MW · target · exact asset — Developer's expansion pathway beyond the planned site power
- Onsite generation: 200 MW · proposed · campus — Dedicated power supply: Planned combined-cycle natural gas generation facility
- ISO/RTO: ERCOT
- Electric utility: Oncor
- Substation: Oncor large-load interconnection studies submitted; no named project substation

## Development

- Site area: 150.92 acres

## Compute and operations

- Facility classes: hyperscale

## Sources

- [Rise in data centers lead to opportunities, questions for Williamson County residents | Williamson County Sun](https://www.wilcosun.com/news-georgetown-jarrell-liberty-hill-florence-hutto-taylor-east-williamson-county-round-rock-333)
- [Austin-Area Town to Decide Fate of Proposed $850M Data Center - Connect CRE](https://www.connectcre.com/stories/austin-area-town-to-decide-fate-of-proposed-850m-data-center/)
- [Mesones Prime | Savannah Developers](https://savannahdevelopers.com/portfolio/mesones-prime/)
- [Just a moment...](https://www.datacenterdynamics.com/en/news/jarell-texas-greenlights-plans-for-data-center/)
- [https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=3911+County+Road+305%2C+Jarrell%2C+TX&benchmark=Public_AR_Current&vintage=Current_Current&format=json](https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=3911+County+Road+305%2C+Jarrell%2C+TX&benchmark=Public_AR_Current&vintage=Current_Current&format=json)

---

Canonical page: https://askthegrid.com/assets/facilities/mesones-prime-data-center-campus--grid-load-8785fcfe47ae95e8
Profile generated: 2026-11-02T22:14:58.788617Z
Source: Ask the Grid — https://askthegrid.com/