Data center profile · McCulloch County, Texas

Cipher Mikeska

Data center campus proposed by Cipher in McCulloch County, Texas, on grid power; about 400 MW of IT capacity planned.

Announced. Utility and grid approval pending. A utility or grid-operator filing is on record, with no final approval or signed service agreement yet. Newest record Sept. 2026.
The campus, Lower-resolution satellite image, Oct. 18, 2026
500 MW
campus power the company states
facility power, not split into IT capacity
2029+
first building in service, our estimate
no dated power path yet; company says 2027
None named
serving utility
Grid power
OperatorCipher
CustomerNone named
Planned IT capacity400 MW at full build-out (our estimate from the company's 0.5 GW campus power figure)
First building in serviceOur estimate: 2029 or later (no dated power path yet); company says 2027.
The site

The site from above

Satellite overview
Lower-resolution satellite image, Oct. 18, 2026.
Power

Power and the grid

The plan on record is a grid connection. An interconnection study is under way.

We checked utility filings, regulator dockets and air-permit records for this campus.

Permits

Permits checklist

1 pending · 4 checked, nothing on file

Approvals a campus like this normally needs, and what we found.

Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
  1. Feb. 14, 2025
    Site Project first appears in the public record
  2. Sept. 15, 2026
    Power Interconnection queue application filed with ERCOT. News report · Sept. 2026
Construction activity

Since Oct. 2026: 1 satellite capture. Satellite · Oct. 2026

Who is involved

Owners, partners and builders

Owners and developers
  • Cipher Mining, developer
Still unknown

Open questions

Where this comes from

11 records from 4 documents

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

News report 3Satellite 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 (5)
  • Campus name: Cipher Mikeska
    “Cipher's most recent presentation also notes the Mikeska (500MW, outside Brady), Milsing (500MW, outside Houston), and McLennan (500MW, outside Waco) sites”
    News report · Oct. 2026 · grade C
  • Stated campus size: 500 MW
    “Cipher's most recent presentation also notes the Mikeska (500MW, outside Brady), Milsing (500MW, outside Houston), and McLennan (500MW, outside Waco) sites, which are expected to energize in 2027”
    News report · Oct. 2026 · grade C
  • County code: 48307
    “the Mikeska (500MW, outside Brady)”
    News report · Oct. 2026 · grade C
  • interconnection queue (ERCOT): filed into Batch Zero; site-level class not specified by Cipher in retrieved sources
    “Mikeska (500 MW, likely base load)”
    News report · Sept. 2026 · grade C
  • Announced: Feb. 2025
    “The company’s presentation also notes options on the Mikeska (500MW, outside Brady), Milsing (500MW, outside Houston), and McLennan (500MW, outside Waco) sites that are expected to energize in 2027”
    News report · Feb. 2025 · grade C
Site and other (1)
  • Project status: development site; energization expected 2027 per Cipher presentation reporting; no construction evidence
    “which are expected to energize in 2027”
    News report · Oct. 2026 · grade C

Imagery and records: Satellite imagery: Sentinel-2 (ESA Copernicus).