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Data center campus · near Riesel, close to the Sandy Creek power plant, McLennan County, Texas

Cipher Digital McLennan campus (Riesel)

Proposed as of Sept. 16, 2026

Cipher Digital plans a data center campus of up to 500 MW on land it bought near the Sandy Creek power plant outside Riesel. Also known as: Cipher McLennan.

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Power500MW reported · stated

Who is behind it

ProjectCipher Digital McLennan campus (Riesel)Also: Cipher McLennan
Developer and teamCipher Digital (formerly Cipher Mining)
End userNot found in the recordsNot yet named in any record or credited report we have found.

The record, newest first

  1. Stocktwits reported that ERCOT placed Cipher's 500 MW McLennan load request under conditional study in its Batch Zero process. (Stocktwits, Sept. 16, 2026)

  2. Construction Review reported the campus is planned at 500 MW next to Sandy Creek, with energization targeted around 2028. (Construction Review Online, June 8, 2026)

  3. Cipher told KXXV it bought land near the Sandy Creek Power Plant in Feb 2026, was still choosing the exact location, and had sent residents an open letter on May 8. (KXXV 25 News, June 5, 2026)

  4. KXXV reported that Cipher Digital had contacted the Precinct 2 commissioner about a data center near Riesel; no permits had been filed. (KXXV 25 News, May 28, 2026)

  5. Cipher's FY2025 10-K lists McLennan in Central Texas as a pipeline site with up to 500 MW targeted, with rights acquired in Feb 2026, purchase under way and energization expected in 2028. (U.S. Securities and Exchange Commission (Cipher Digital Inc.), Feb. 24, 2026)

  6. Cipher Mining announced options to buy three Texas data center sites of 500 MW each from Juvo Energy; the McLennan site is one of them per the later 10-K. (Cipher Mining press release via The Globe and Mail, Oct. 15, 2024; U.S. Securities and Exchange Commission (Cipher Digital Inc.), Feb. 24, 2026)

Conflicts and open questions

  • Coordinates approximate, between Riesel and the Sandy Creek plant; exact parcel not public.
  • Cipher cited a consultant estimate of about $13 million a year in taxes averaged over 10 years.

The full record

Status note
Land partly bought in Feb 2026; county officials said in late May 2026 that nothing had been filed; energization targeted for 2028.
Power note
Targeted capacity of up to 500 MW per Cipher's FY2025 10-K; a 500 MW load request was reported as under ERCOT conditional study in Sept 2026.
Evidence
Primary public records
Size class
50 MW or more (tracker scope)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.