Data center profile · Texas (site not disclosed)

Undisclosed Texas data center (790 MW Wärtsilä order)

Unnamed Texas data center that Wärtsilä says is under construction, off-grid on a 790 MW plant of 42 gas engines ordered in 2026; customer undisclosed.

Power plant ordered, site unknown. Wärtsilä booked a second quarter 2026 order for a 790 MW off-grid gas-engine plant for a data center it says is under construction in Texas. The customer, county and site are undisclosed, so no permit or construction record is linked.
790 MW
off-grid gas-engine power plant
on-site generation (Wärtsilä); not campus or IT capacity
42 engines
Wärtsilä 50SG units running on natural gas
order booked in the second quarter of 2026
Late 2029
plant expected fully operational
equipment delivery scheduled for 2028 (Wärtsilä)
Undisclosed
customer and site
every source says only 'Texas'
OperatorUndisclosed data-center operator
CustomerNot disclosed
Planned IT capacity486 MW at full build-out (our estimate from on-site generation)
First building in serviceOur estimate: 2029 or later (no dated power path yet).
Next deadline2028: Wärtsilä equipment scheduled for delivery
Power

Power and the grid

790 MW contracted

On-site gas-engine plant (42 Wärtsilä 50SG)Equipment ordered
790 MW
primary power, off the grid; equipment due 2028, full operation late 2029 (Wärtsilä) Company · April 2026
Contracted

Getting on the grid

On-site generation on file

Permits

Permits checklist

2 checked, nothing on file

Approvals a gas-powered campus like this normally needs, and what we could find without a known site.

Risks

What could slow it down

Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
  1. April 23, 2026
    Power Wärtsilä announces a 790 MW off-grid power order for a data center under construction in Texas Company · April 2026
  2. Sept. 1, 2026
    Power Wärtsilä investor presentation lists the Texas order with no site or customer Company · Sept. 2026
  3. 2028
    Power Engine deliveries scheduled Company · April 2026
  4. 2029
    Power Plant expected to be fully operational, late in the year Company · April 2026
The buildings

Specs

Wärtsilä 50SG
natural-gas engines, 42 units
Company · April 2026
100°F+
engines run at full capacity in temperatures above 100 degrees Fahrenheit (Wärtsilä)
Company · April 2026
Who is involved

Owners, partners and builders

Power
  • Wärtsilä Corporation: engine and power-plant supplier
Operator
  • Undisclosed data-center operator
Still unknown

Open questions

Where this comes from

20 records from 3 documents

Drawn from company statements and news reports, each kept with its date and source. The bar shows documents by type.

Company 2News report 1
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 (7)
  • Project identity: Undisclosed data center facility under construction in Texas, USA - the customer and the location are NOT disclosed by Wartsila; the campus is known only through Wartsila's April 23, 2026 order announce
    “Technology group Wärtsilä will supply an off-grid energy power solution for a new data center facility under construction in Texas, USA.”
    Company · April 2026 · grade B
  • On-site generation: 790 MW
    “The 790 MW power plant will operate with 42 Wärtsilä 50SG engines running on natural gas.”
    Company · April 2026 · grade B
  • Generating units on the permit: 42 units
    “The 790 MW power plant will operate with 42 Wärtsilä 50SG engines running on natural gas.”
    Company · April 2026 · grade B
  • Generator maker and model: Wärtsilä 50SG
    “The 790 MW power plant will operate with 42 Wärtsilä 50SG engines running on natural gas.”
    Company · April 2026 · grade B
  • IDENTIFICATION LIMIT: the customer, county, city and site of this 790 MW order are undisclosed in the Wärtsilä release, its roadshow order table and trade coverage. The campus must stay undisclosed - no Texas Wärtsilä-ad
    “This is Wärtsilä's fifth data center related order in the USA and its first in Texas.”
    Company · April 2026 · grade B
  • The plant is a primary (off-grid) power source, not backup generation; engines chosen partly for full capacity at temperatures exceeding 100 degrees Fahrenheit
    “their ability to operate at full capacity, even in temperatures exceeding 100 degrees Fahrenheit (approximately 38 degrees Celsius), a critical feature for optimized performance in Texas.”
    Company · April 2026 · grade B
  • The Texas (790 MW) and Ohio (412 MW) figures must not be merged or summed.
    “the company signed an agreement to supply 412MW of natural gas-powered engines to an undisclosed hyperscale data center project in Ohio”
    News report · 2026 · grade C
Money and contracts (1)
  • equipment supply agreement (generation fleet): generation equipment supply 790 MW
    “Technology group Wärtsilä will supply an off-grid energy power solution for a new data center facility under construction in Texas, USA. The 790 MW power plant will operate with 42 Wärtsilä 50SG engines running on natural gas”
    Company · April 2026 · grade B
Permits and government (1)
  • Project status: announced order booked customer and site undisclosed
    “The order was booked as intake by Wärtsilä in Q2 2026.”
    Company · April 2026 · grade B
Site and other (1)
  • Equipment scheduled for delivery in 2028 and the plant expected to become fully operational in late 2029
    “The Wärtsilä equipment is scheduled for delivery in 2028, and the plant is expected to become fully operational in late 2029.”
    Company · April 2026 · grade B