Cheyenne: 9 sites, 8 operators, 238 MW under construction

• 2 Sept 2026Permit filed1,500 MW

  Prometheus Hyperscale pitches 940-acre data center, requests Natrona County bypass state review

  Prometheus Hyperscale founder Trenton Thornock and Build Wyoming Director Eric Schlidt presented a proposal to Natrona County commissioners on September 2, 2026, requesting an industrial park zoning designation for a planned 1.5-gigawatt, $500 million data center campus on 940 acres of Falls Ranch property south of Interstate 25 near Casper. The designation would exempt the project from Wyoming Industrial Siting Council review while maintaining county-level oversight and state environmental regulation. Commissioners took no immediate action; the workshop included extensive public comment from both supporters and opponents of the development, with concerns raised about landscape impact, noise, water use, and air quality, while supporters emphasized local control and job creation.

• 5 Aug 2026Earnings$377M

  Black Hills Corp reports Q2 2026 results; progresses on 1.8 GW Wyoming data-centre project

  Black Hills Corp., a Wyoming-based electric utility, reported second-quarter 2026 earnings and reaffirmed 2026 adjusted EPS guidance of $4.25–$4.45 per share. Wyoming Electric recorded four new all-time customer load peaks year-to-date, driven primarily by large-load data-centre demand, with the most recent peak of 439 MW on 20 July 2026 (16% above prior year). The company is progressing toward definitive agreements to serve a 1.8 GW data-centre project in Cheyenne, Wyoming, and has a pipeline of more than 3 GW in large-load demand including Microsoft and Meta expansions (600 MW in service by 2030). A prospective customer for the 1.8 GW project provided $377 million in refundable advances through August 2026 to secure generation equipment.

• 24 Jul 2026Regulation

  Wyoming considers power supply regulations for AI data centers

  Wyoming is contemplating new regulatory frameworks to govern power supply for artificial intelligence and data center operations in the state. The proposed regulations would address the growing power demands from AI and data center facilities. This reflects state-level concern about resource allocation and infrastructure planning as AI workloads expand. The regulations could impact how data center operators secure and manage electricity supply in Wyoming.

• 19 Jul 2026Opposition

  Data center expansion in Wyoming faces water pollution concerns

  Water pollution issues have emerged as data centers proliferate across Wyoming, raising environmental concerns and community opposition. The influx of data-center development is causing water quality degradation in the state. Local stakeholders are questioning whether industry good-faith commitments to environmental stewardship are being upheld. This incident reflects growing tensions between rapid data-center infrastructure expansion and environmental protection in the region.

• 17 Jul 2026Financing

  Blockmate Ventures raises C$1M for Wyoming AI data center

  Blockmate Ventures secured C$1 million in funding for an artificial intelligence data center project in Wyoming. The financing round supports the company's expansion into AI infrastructure. Wyoming is emerging as a favorable jurisdiction for data center development. The capital will fund facility development in the region.

• 5 Jul 2026Moratorium

  Cheyenne suspends data center wastewater discharge after Meta-linked contamination

  The city of Cheyenne has halted industrial wastewater discharges from data centers indefinitely. This decision follows a contamination incident linked to a Meta subcontractor, which disrupted the city's water reuse system for several months.

• 26 Jun 2026Regulation

  Cheyenne pauses data center wastewater discharges after contamination incident

  The Cheyenne Board of Public Utilities revoked sewer privileges from Goat Systems, an 800,000-square-foot data center campus operator, following contamination of the city's wastewater reclamation network. The city announced June 26 that it would temporarily pause data center discharges and officially turn on the wastewater reuse system at the end of the month. The incident highlights environmental compliance risks for large data center operators in water-constrained regions.

• 22 Apr 2026PPA1,800 MW

  Black Hills Secures Equipment Agreement for 1.8 GW Wyoming Data Center Project

  Wyoming Electric, a Black Hills Corp. subsidiary, executed an agreement with a prospective customer on April 22, 2026, to procure long lead-time generation equipment for a 1.8 GW data center project. The customer has provided $201 million in refundable contributions in aid of construction to secure equipment milestone payments. The project will be served under Wyoming Electric's Large Power Contract Service Tariff, with negotiations continuing on definitive agreements.

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