Approved, not built yet
Mesone data center (County Road 305, Jarrell)
Also called: Mesone Data Center, Prominent Jarrell
Prominent Property Group and partners plan a data center on 150 acres at 3911 County Road 305 in Jarrell. The developer said it would have up to 200 megawatts from natural gas and the grid. The City Council annexed and rezoned the land in October 2025 after residents raised water and power concerns.
Where things stand: Jarrell City Council annexed and rezoned the 150-acre site on Oct. 14, 2025.
🕒 Latest update (Oct 14, 2025): City Council annexed the land and changed its land use and zoning to allow the data center.
What we know
- 📍 Where3911 County Road 305, Jarrell, Williamson County
- 🏢 CompanyProminent Property Group, Savannah Developers and Power Infrastructure Partners
- 🌳 Size150 acres
- ⚡ Power it needs200 megawatts (about as much as 160,000 homes)
- 🔌 Where the power comes fromNatural gas generation plus grid power
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- Who is the end user? 🙋 I'll find out
- How much water will it use? 🙋 I'll find out
- What permit does the gas generation need? 🙋 I'll find out
What happened so far
- Aug 2025Jarrell Planning and Zoning Commission recommended approval.
- Sept 23, 2025City Council held a Q&A workshop where residents raised concerns about water, power and location.
- Oct 14, 2025City Council annexed the land and changed its land use and zoning to allow the data center.
🛰️ See it from above
Drag the slider to compare the land before and now.
RecentRecent
Photos: USGS The National Map.
Where this comes from
- Jarell, Texas, greenlights plans for data center · DatacenterDynamics · Oct 21, 2025
- Texas data centers map and list · Cleanview (tracker) · Oct 2026
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