Laramie County

Moratoriums and bans

1. May 26, 2026 Cheyenne: Moratorium proposed, rejected. Councilman Mark Moody's ordinance proposed a 12-month pause on building or converting structures for data centers, with a staff report due April 1, 2027, after residents began circulating a petition; it would not have applied to data centers already operating or under construction. The Public Services Committee made no recommendation on May 18, and the council killed it 9-1 on second reading on May 26. (Cowboy State Daily, May 11, 2026; Cowboy State Daily, May 4, 2026; Wyoming Tribune Eagle, May 27, 2026; Cowboy State Daily, May 27, 2026)

Updates, newest first

1. Oct. 12, 2026 Orchard Hills data center · The council approved all four items on third reading after a motion to send the matter back to committee failed 8-1; the developer offered a community benefits package including a greenway extension and water and road work for the neighboring subdivision. (Wyoming Tribune Eagle via Wyoming News Exchange (Gillette News Record), Oct. 16, 2026; Cowboy State Daily, Sept. 29, 2026)
2. Oct. 6, 2026 Google Project Tembo · Black Hills announced a Large Power Contract Services agreement and a generation facilities agreement through 2048, effective Sept. 30, to serve Google's planned Cheyenne data center with a 2.7 GW resource mix, service starting late 2027 and peak load in 2030; it listed an approved Robinson substation CPCN (May 2026), an approved CPGS air permit (Aug. 2026), and pending siting and transmission filings. (Black Hills Corp. (SEC Form 8-K, Exhibit 99.1), Oct. 6, 2026; Power Engineering, Oct. 9, 2026)
3. Sept. 28, 2026 Cox Ranch data center campus · The council approved the annexation and business-park rezoning on third and final reading, 8-2. (Cowboy State Daily, Sept. 29, 2026)
4. Sept. 25, 2026 Microsoft HR Ranch Road datacenter · Cowboy State Daily described construction as well under way at the Microsoft hyperscale data center on HR Ranch Road in east Cheyenne. (Cowboy State Daily, Sept. 25, 2026)
5. Sept. 25, 2026 Microsoft southeast Cheyenne expansion · Cowboy State Daily reported two petitions filed in Laramie County District Court in September seeking to void the annexation and the council's Aug. 10 vote; the city declined comment on the litigation, and the mayor said signature counting was about 60% done. (Cowboy State Daily, Sept. 25, 2026)
6. Sept. 21, 2026 Orchard Hills data center · The council's Public Services Committee recommended approving the annexation and light-industrial zoning and a resolution overruling the Planning Commission, and postponed the land-use map amendment to match the annexation timing. (Wyoming Tribune Eagle via Wyoming News Exchange (Buffalo Bulletin), Sept. 22, 2026)
7. Sept. 14, 2026 Cox Ranch data center campus · On second reading the annexation and the two zoning ordinances passed 6-3. (Wyoming Tribune Eagle (Laramie Boomerang), Sept. 17, 2026)
8. Sept. 10, 2026 Google Project Tembo · The Laramie County Planning Commission took up the Class B CUP for the Project Tembo HUB-1 office support facility on Tracts 1 and 2 of the Cold Creek Buffalo Company Subdivision. (Laramie County Planning Commission, Sept. 10, 2026)
9. Sept. 9, 2026 Google Project Tembo · At a Cheyenne open house, Google described a $17 billion campus with mass grading possibly starting later in 2026, vertical construction in 2027 and full build-out in the first half of 2031, and said it would file an air permit for emergency diesel generators within a month. (Wyoming Tribune Eagle (via Yahoo Finance), Sept. 12, 2026; Wyoming Public Media (from Wyoming News Now), Sept. 17, 2026)
10. Sept. 8, 2026 Orchard Hills data center · The Planning Commission unanimously denied both the land-use map change (mixed-use residential to mixed-use employment) and the rezoning from agricultural to light industrial, after staff found four of eight review criteria unmet, citing the city's housing shortage and a new school about half a mile away. (Wyoming Tribune Eagle, Sept. 9, 2026)
11. Sept. 1, 2026 Vantage Data Centers Wyoming campus (Project Latigo) · County commissioners approved the Vantage rezoning from Land Use to PUD after questions about the water supply and how the water-restoration pledge would be monitored; the only Land Use to PUD hearing on that day's agenda was File 26-451, covering parts of Sections 1, 2, 3 and 11, T12N R67W, and Section 35, T13N R67W. (Laramie Boomerang (Wyoming Tribune Eagle), Sept. 5, 2026; Wyoming Tribune Eagle (newsletter), Sept. 4, 2026; Citizen Portal, Sept. 1, 2026; Laramie County Board of County Commissioners (SpeakUp agenda portal), Sept. 1, 2026; Laramie County Board of County Commissioners (SpeakUp agenda portal), Sept. 1, 2026)
12. Aug. 28, 2026 Cox Ranch data center campus · At a council work session, the developers described two to three buildings on the southwest part of the property, closed-loop cooling, a written 'Commitment to the Cheyenne Community' and an agreement to transfer the mausoleum land to a Cox family foundation; they said financial commitments were hard to make before a project was certain. (Wyoming Tribune Eagle, Aug. 28, 2026; Y95 Country, Aug. 25, 2026)
13. Aug. 13, 2026 Vantage Data Centers Wyoming campus (Project Latigo) · Citizen Portal reported that the Laramie County Planning Commission forwarded a recommendation on Vantage's roughly 1,800-acre Land Use to PUD rezoning, with staff recommending approval on condition that agency review comments be addressed before a site plan. (Citizen Portal, Aug. 13, 2026)
14. Aug. 10, 2026 Microsoft southeast Cheyenne expansion · The council voted, with one member opposed, to seek a declaratory judgment on whether an annexation ordinance can go to referendum or must be challenged under W.S. 15-1-409; in a letter sent Aug. 14, Secretary of State Chuck Gray urged the city to let the referendum proceed. (Wyoming Tribune Eagle, Aug. 10, 2026; Wyoming Tribune Eagle, Aug. 17, 2026)
15. Aug. 7, 2026 Microsoft southeast Cheyenne expansion · The city received a referendum petition against the annexation ordinance; the clerk began a verification expected to take about 90 days, with about 2,700 valid signatures required. (City of Cheyenne, Aug. 11, 2026; Wyoming Tribune Eagle, Aug. 10, 2026)
16. Aug. 4, 2026 Microsoft Cheyenne North Range Business Park campus · Cheyenne LEADS listed 'Microsoft - NRBP' among current data centers and a second 'Microsoft - NRBP' site among planned ones. (Cheyenne LEADS, Aug. 4, 2026)
17. Aug. 4, 2026 Microsoft Cheyenne Business Parkway campus · Cheyenne LEADS listed 'Microsoft - CBP' among current data centers, again among those under construction, and again among planned sites. (Cheyenne LEADS, Aug. 4, 2026)
18. Aug. 4, 2026 Microsoft Bison Business Park campus · Cheyenne LEADS listed 'Microsoft - Bison BP' among data centers under construction. (Cheyenne LEADS, Aug. 4, 2026)
19. Aug. 4, 2026 Microsoft southeast Cheyenne expansion · Cheyenne LEADS listed 'Microsoft - Highlands BP' among planned data centers in Laramie County. (Cheyenne LEADS, Aug. 4, 2026)
20. Aug. 4, 2026 Google Project Tembo · Cheyenne LEADS listed 'Tallgrass/Tembo (County PUD)' among planned data centers in Laramie County. (Cheyenne LEADS, Aug. 4, 2026)
21. Aug. 4, 2026 Cox Ranch data center campus · Cheyenne LEADS listed the ViaWest/Skybox Happy Jack site among planned data centers in Laramie County. (Cheyenne LEADS, Aug. 4, 2026)
22. Aug. 4, 2026 Related Digital Cheyenne campus · Cheyenne LEADS listed the Related campus in the Cheyenne Business Parkway as under construction. (Cheyenne LEADS, Aug. 4, 2026)
23. Aug. 4, 2026 Vantage Data Centers Wyoming campus (Project Latigo) · Cheyenne LEADS listed 'Project Latigo/Vantage' among planned data centers in Laramie County. (Cheyenne LEADS, Aug. 4, 2026)
24. Aug. 4, 2026 Truss Energy data center near Carpenter · Cheyenne LEADS listed a planned site 'Near Carpenter' on its Laramie County data center map. (Cheyenne LEADS, Aug. 4, 2026)
25. Aug. 4, 2026 NCAR-Wyoming Supercomputing Center · Cheyenne LEADS listed 'NCAR Supercomputer - NRBP' as a current data center. (Cheyenne LEADS, Aug. 4, 2026; City of Cheyenne Planning and Development Department, Oct. 25, 2026)
26. Aug. 4, 2026 EchoStar Cheyenne data center · Cheyenne LEADS listed 'Echostar/Dish - CBP' as a current data center. (Cheyenne LEADS, Aug. 4, 2026; City of Cheyenne Planning and Development Department, Oct. 25, 2026)
27. Aug. 4, 2026 Lunavi Cheyenne data centers (Progress Circle) · Cheyenne LEADS listed '1547 - CBP' as a current data center. (Cheyenne LEADS, Aug. 4, 2026; City of Cheyenne Planning and Development Department, Oct. 25, 2026)
28. Aug. 4, 2026 CleanSpark Cheyenne (Front Range Business Park, former MineOne site) · Cheyenne LEADS listed 'CleanSpark - NRBP' as a current data center. (Cheyenne LEADS, Aug. 4, 2026)
29. Aug. 4, 2026 CleanSpark Cheyenne (Campstool Business Park / Venture Drive) · Cheyenne LEADS listed 'CleanSpark - East' as a current data center. (Cheyenne LEADS, Aug. 4, 2026)
30. July 14, 2026 Microsoft southeast Cheyenne expansion · Heatmap News reported that the annexed land had belonged to relatives of U.S. Sen. Cynthia Lummis, held through Arp and Hammond Hardware, Old Horse Pasture Inc. and Lummis Livestock Company LLC. A Microsoft representative said the company acquired the land on June 26 and that the senator's political standing played no part in its decision; her office did not respond to Heatmap's request for comment. (Heatmap News, July 14, 2026)
31. July 13, 2026 Microsoft southeast Cheyenne expansion · In a meeting that ran until nearly 2 a.m., the council passed the annexation of nearly 3,460 acres and two zoning ordinances on third reading, with three members opposed each time; the land's owners were listed as ARP and Hammond Hardware Co., Old Horse Pasture Inc. and Lummis Livestock Company LLC. Microsoft said build-out would take 10 to 20 years. (Wyoming Tribune Eagle, July 14, 2026; City of Cheyenne, Aug. 11, 2026)
32. July 8, 2026 Google Project Tembo · Laramie County told residents that the project previously known as Project Jade was now Project Tembo, that Crusoe had withdrawn and Google (doing business as Jupiter Star Holdings LLC) had resubmitted, cutting the plan from five buildings to four (about 3.08 million square feet) and peak construction from 5,000 to 2,500 workers; a Class B CUP (PZ-26-00057) was filed for an office complex east of the park, tied to site plan PZ-26-00058. (Laramie County Board of Commissioners, July 8, 2026; Cowboy State Daily, July 8, 2026)
33. July 2, 2026 Meta Cheyenne Data Center · The Board of Public Utilities named Goat Systems LLC, Meta's construction entity, as the source of wastewater carrying Cupriavidus gilardii that disrupted the city's water reclamation and reuse system starting in February; Meta said its general contractor stopped discharging and began hauling the water off site. (Cowboy State Daily, July 2, 2026)
34. June 26, 2026 Vantage Data Centers Wyoming campus (Project Latigo) · Vantage held a public open house in Cheyenne for its proposed Wyoming campus of three to five buildings, saying it had not yet named a customer. (Wyoming Tribune Eagle (Rawlins Times), July 1, 2026)
35. June 22, 2026 Microsoft southeast Cheyenne expansion · On second of three readings the council advanced the annexation and, 8-3, rejected an amendment that would have required a $50 million community benefits agreement. (Cowboy State Daily, June 23, 2026)
36. June 9, 2026 Google Project Tembo · The Tribune Eagle reported Crusoe had paused its work at its customer's request and demobilized from the site months earlier; Tallgrass said the power hub was proceeding and the tenant was unchanged. (Wyoming Tribune Eagle, June 9, 2026)
37. May 28, 2026 Microsoft Cheyenne North Range Business Park campus · Microsoft said it had applied to the city for a roughly 35-acre site south of Happy Jack Road near North Range Business Park, where LEADS said Microsoft already operates data centers and a major substation is in place. (Wyoming Tribune Eagle, May 29, 2026; Cowboy State Daily, May 28, 2026)
38. May 28, 2026 Microsoft southeast Cheyenne expansion · At a public open house, Microsoft described the project as very early in the process; it had also applied for a 385-acre site east of College Drive that it said is near the 3,200-acre tract. (Wyoming Tribune Eagle, May 29, 2026; Cowboy State Daily, May 28, 2026)
39. May 26, 2026 Cheyenne: Moratorium proposed, rejected · Councilman Mark Moody's ordinance proposed a 12-month pause on building or converting structures for data centers, with a staff report due April 1, 2027, after residents began circulating a petition; it would not have applied to data centers already operating or under construction. The Public Services Committee made no recommendation on May 18, and the council killed it 9-1 on second reading on May 26. (Cowboy State Daily, May 11, 2026; Cowboy State Daily, May 4, 2026; Wyoming Tribune Eagle, May 27, 2026; Cowboy State Daily, May 27, 2026)
40. May 22, 2026 Meta Cheyenne Data Center · IIR reported Enbridge's Cowboy solar and storage project (about 400 MW of solar and 1.6 GWh of storage in Phase I) would support the campus, where two of four buildings were under construction. (Industrial Info Resources, May 22, 2026)
41. May 18, 2026 Bison Ranch industrial park and data center campus · Cowboy State Daily reported the county had received a pre-application request for Bison Ranch, a 2,775-acre business park and data center campus near Terry Ranch Road and I-25 that would need PUD zoning. (Cowboy State Daily, May 18, 2026)
42. May 18, 2026 Truss Energy data center near Carpenter · Cowboy State Daily reported Truss Energy was in preliminary stages on a 540-acre data center about a mile west of Carpenter, with no county application yet. (Cowboy State Daily, May 18, 2026)
43. April 27, 2026 Cox Ranch data center campus · Residents of the nearby Rolling Hills area opposed the annexation over traffic and water use, and an attorney for the former owners raised the fate of a family mausoleum on the ranch. (Cowboy State Daily, April 27, 2026)
44. April 27, 2026 Cox Ranch data center campus · At the request of the developer's attorney, the council voted 9-1 to send the annexation back to committee and take it up again in September. (Wyoming Tribune Eagle via Wyoming News Exchange (News Letter Journal), April 29, 2026)
45. April 20, 2026 Cox Ranch data center campus · The council's Public Services Committee voted 2-1 against recommending the annexation of about 1,260 acres for a data center. (Wyoming Tribune Eagle via Wyoming News Exchange (News Letter Journal), April 29, 2026)
46. April 14, 2026 Microsoft southeast Cheyenne expansion · Microsoft said it intends to buy about 3,200 acres southeast of downtown Cheyenne: about 200 acres in Bison Business Park off Wapiti Trail and about 3,000 adjoining acres. (Microsoft Source, April 14, 2026; Cowboy State Daily, April 14, 2026)
47. April 3, 2026 Related Digital Cheyenne campus · Cowboy State Daily described construction under way on the $1.2 billion, 302 MW Related Digital data center in east Cheyenne, one of the projects behind the city's annexation push. (Cowboy State Daily, April 3, 2026)
48. Jan. 6, 2026 Google Project Tembo · Laramie County commissioners unanimously approved site plans for Crusoe's data center campus (about 600 acres) and Tallgrass's BFC Power and Cheyenne Power Hub (about 659 acres) in the 1,375-acre Switchgrass Industrial Park after a nearly two-hour hearing. (Wyoming Tribune Eagle, Jan. 7, 2026; WyoFile (from Inside Climate News), Jan. 16, 2026)
49. Oct. 18, 2025 Lunavi Cheyenne data centers (Progress Circle) · The neighboring 8,580 sq ft, 1.2 MW building at 304 Progress Circle, leased to Lunavi through 2031, was listed for sale. (Data Center Dynamics, Oct. 18, 2025)
50. Oct. 7, 2025 Related Digital Cheyenne campus · Related Digital broke ground on the first phase, an 88 MW, 184,000 sq ft building on 36 acres leased to CoreWeave, with Clayco as construction manager; it projected more than $250 million in state and city tax revenue over 15 years. (Related Companies, Oct. 7, 2025; Data Center Dynamics, Oct. 8, 2025; Clayco, Oct. 25, 2026)
51. Aug. 15, 2025 Microsoft HR Ranch Road datacenter · DCD reported the groundbreaking and noted HR Ranch Road is home to the Cheyenne Prairie Generating Station and the Dry Creek wastewater plant; Microsoft gave no size or cost. (Data Center Dynamics, Aug. 15, 2025)
52. Aug. 14, 2025 Microsoft HR Ranch Road datacenter · Microsoft posted that it was building a datacenter on HR Ranch Road, with heavy earthwork from July to November 2025, JE Dunn as general contractor, completion targeted for early 2026 and a community meeting planned for November. (Microsoft Local, Aug. 14, 2025)
53. March 16, 2025 CleanSpark Cheyenne (Front Range Business Park, former MineOne site) · Cowboy State Daily reported CleanSpark was building out the site near the base, which was not yet running. (Cowboy State Daily, March 16, 2025)
54. March 16, 2025 CleanSpark Cheyenne (Campstool Business Park / Venture Drive) · Residents of a nearby rural subdivision described a constant low rumble; CleanSpark said sound mitigation was still being put in place, and the mayor said the city was testing that noise stays within the property line, as light-industrial zoning requires. (Cowboy State Daily, March 16, 2025)
55. Sept. 20, 2024 CleanSpark Cheyenne (Front Range Business Park, former MineOne site) · The Tribune Eagle reported CleanSpark had closed on the Front Range site the prior week after CFIUS approval, and that the company planned $40 million to $50 million of infrastructure work across its two Cheyenne sites. (Wyoming Tribune Eagle, Sept. 20, 2024)
56. Aug. 1, 2024 CleanSpark Cheyenne (Front Range Business Park, former MineOne site) · CleanSpark announced 75 MW of power contracts in Wyoming, with real estate for a second, 45 MW site still closing. (CleanSpark, Inc. (SEC Form 8-K, Exhibit 99.1), Aug. 1, 2024)
57. Aug. 1, 2024 CleanSpark Cheyenne (Campstool Business Park / Venture Drive) · CleanSpark said it had completed the purchase of its first Wyoming site, 30 MW in Cheyenne, with groundbreaking to start right away. (CleanSpark, Inc. (SEC Form 8-K, Exhibit 99.1), Aug. 1, 2024; Wyoming Tribune Eagle, Sept. 20, 2024)
58. July 2, 2024 Meta Cheyenne Data Center · Meta announced an $800 million, 715,000-square-foot data center on a 960-acre parcel in High Plains Business Park, its 25th worldwide, expected online in 2027 with about 100 operational jobs; Meta said it would work with Black Hills Energy to add new grid resources. (Cheyenne LEADS, July 2, 2024; Cowboy State Daily, July 2, 2024)
59. July 2, 2024 Meta Cheyenne Data Center · Cowboy State Daily reported construction had begun in spring 2024 after a development agreement with the City of Cheyenne, with Meta paying for roads, water and sewer lines. (Cowboy State Daily, July 2, 2024)
60. May 13, 2024 CleanSpark Cheyenne (Front Range Business Park, former MineOne site) · The President prohibited MineOne's acquisition of the Cheyenne crypto-mining property within a mile of F.E. Warren Air Force Base and ordered it sold, on CFIUS's recommendation. (U.S. Department of the Treasury (via FRASER, St. Louis Fed), May 13, 2024)
61. April 3, 2024 Microsoft Cheyenne North Range Business Park campus · The Tribune Eagle reported Microsoft owned the roughly 418-acre Project Equality tract south of North Range, expected to become part of the park after annexation. (Wyoming Tribune Eagle, April 3, 2024)
62. April 3, 2024 Microsoft Cheyenne Business Parkway campus · The Tribune Eagle reported one Microsoft data center in the park and a second slated to be built. (Wyoming Tribune Eagle, April 3, 2024)
63. April 3, 2024 Microsoft Bison Business Park campus · The Tribune Eagle, citing LEADS, reported one Microsoft data center operating in Bison Business Park, with more Microsoft projects possible there. (Wyoming Tribune Eagle, April 3, 2024)
64. March 4, 2024 Microsoft Cheyenne North Range Business Park campus · The Cheyenne Planning Commission voted 5-0 twice, to assign city zoning to the 923.93-acre North Range Business Park 14th Filing southwest of the I-80/I-25 interchange and to rezone it to agricultural and light industrial; only the Project Equality site was to be light industrial, and a commissioner referred to it as a Microsoft parcel being added to the LEADS-run park. (City of Cheyenne Planning Commission, March 4, 2024)
65. Nov. 22, 2021 Microsoft Cheyenne Business Parkway campus · Microsoft announced two new Cheyenne datacenters, one in Cheyenne Business Parkway and one in Bison Business Park, to expand its West Central US cloud region. (Cheyenne LEADS, Nov. 22, 2021; Cowboy State Daily (via Data Center Dynamics), Nov. 23, 2021)
66. Nov. 22, 2021 Microsoft Bison Business Park campus · Microsoft announced a new datacenter in Bison Business Park and said it was investing in water, sewer and road improvements to improve access to the park. (Cheyenne LEADS, Nov. 22, 2021; Cowboy State Daily (via Data Center Dynamics), Nov. 23, 2021)
67. April 10, 2018 Lunavi Cheyenne data centers (Progress Circle) · 1547 announced it had acquired 340 Progress Circle with CIM Group as a partner; the 42,000 sq ft building was built to suit for Green House Data. (fifteenfortyseven Critical Systems Realty, April 10, 2018)
68. March 2, 2018 Microsoft Cheyenne North Range Business Park campus · LEADS said Microsoft had resumed a North Range expansion first announced in 2015 after an 18-month delay, with preparatory and foundation work begun the previous fall and the project well under construction. (Cheyenne LEADS (reprint of Wyoming Tribune Eagle), March 5, 2018)
69. April 25, 2014 Microsoft Cheyenne North Range Business Park campus · Microsoft said it would add a $274 million expansion to the Cheyenne data center it had opened outside town the year before, bringing its local investment to nearly $500 million. (Wyoming Public Media, April 25, 2014)
70. Oct. 15, 2012 NCAR-Wyoming Supercomputing Center · NCAR opened the center with the Yellowstone supercomputer, with funding from the State of Wyoming and the University of Wyoming. (UCAR/NCAR News, Oct. 15, 2012)
71. Aug. 3, 2010 EchoStar Cheyenne data center · EchoStar announced a 77,000 sq ft data center next to its Cheyenne uplink facility, to be finished by late 2011. (EchoStar Corporation, Aug. 3, 2010; Data Center Dynamics, Aug. 3, 2010)

Statewide

Wyoming exempts a data processing services center's purchases of servers, storage, racks, cabling and software from sales and use tax when they top $2 million in a calendar year and the center has at least $5 million of capital investment in the state; a second tier, for power backup, generators and cooling equipment, requires $50 million of investment. The center needs a Wyoming Business Council jobs certification. W.S. 39-15-105(a)(viii)(S) and 39-16-105(a)(viii)(H), from HB 67 (2010) as expanded by HB 117 (2011). (Wyoming Department of Revenue (report posted by the Legislature), Nov. 1, 2023; Wyoming Business Council (handout posted by the Legislature), Nov. 2025) Cheyenne Light, Fuel and Power (Black Hills Energy) offers a Blockchain Interruptible Service tariff for new interruptible loads of 10 MW or more under negotiated contracts of at least two years, filed confidentially with the PSC and kept out of other customers' power cost adjustment (Wyo. P.S.C. Tariff No. 13, Docket 20003-173-ET-18, effective June 1, 2019). The first customer signed in 2022. (Cheyenne Light, Fuel and Power Co. d/b/a Black Hills Energy, Wyo. P.S.C. Tariff No. 13 (posted by the Legislature), Aug. 12, 2019; Cheyenne LEADS, June 21, 2022) The same utility's Large Power Contract Service tariff covers new loads of 13 MW or more through negotiated agreements, and customers allow the utility to dispatch their on-site backup generation. It was sought in PSC Docket 20003-146-ET-15, where Microsoft petitioned to intervene; Black Hills says the PSC approved its large-load tariff in July 2016. (Black Hills Energy, Oct. 25, 2026; Wyoming Public Service Commission, Dec. 3, 2015) Rocky Mountain Power has no tariff written for data centers in Wyoming; FactSet lists its large-load mechanism as Schedule 400 special contracts for loads over 200 MW. Its pending rate case (Docket 20000-710-ER-26) is contested partly over whether early grid spending for prospective hyperscale load should be spread across retail customers, and in September 2026 the utility asked lawmakers to back its 'Wyoming Grid Revitalization and Modernization' proposal, which would codify large-load tariffs for loads of 50 MW to 200 MW. (Wyoming Public Service Commission, Oct. 25, 2026; FactSet Insight, Oct. 14, 2026; Rocky Mountain Power (testimony posted by the Legislature), Sept. 28, 2026) Under the Industrial Siting Act, non-mineral processing facilities built in existing industrial parks designated by local governments skip the state siting council's fees and certification and only have to file certain information (W.S. 35-12-119(a)). Data center developers in Natrona and Platte counties have pointed to this exemption. (Wyoming Legislature (interim committee material), 2026; Oil City News (republished by WyoFile), Sept. 2, 2026; Cowboy State Daily, Sept. 2, 2026) Gov. Mark Gordon's Executive Order 2026-03, 'Data Centers the Wyoming Way' (June 3, 2026), sets non-binding principles. It says the companies that create new grid costs should pay them, it protects water and wildlife, and it leaves siting to local governments. Agencies had 60 days to send policy and legislative recommendations. (Trinity Consultants, June 12, 2026; WyoFile, June 3, 2026; Wyoming Public Media (Mountain West News Bureau), June 3, 2026) The 2026 budget session passed no bill aimed at data centers. An interim draft on 'extremely large electrical loads' was never introduced. The PSC is separately writing Chapter 6 rules on when generating power for a retail customer is not service 'to the public' (Docket 90000-193-XO-26). (Wyoming Public Media (Mountain West News Bureau), Jan. 16, 2026; Davis Graham, May 8, 2026; Wyoming Public Service Commission, Oct. 25, 2026) 2026 interim, for the 2027 session: the Joint Minerals Committee killed a bill on Aug. 27 that would have let independent suppliers sell power to large customers (25 MW single, or 100 MW for up to four). The Blockchain select committee took up a revised version on Sept. 28, with a 10 MW behind-the-meter path and a one-year window for the incumbent utility to offer service first, and planned to return to it in November. Prometheus Hyperscale testified in support. (Cowboy State Daily, Sept. 21, 2026; Cowboy State Daily, Sept. 30, 2026) The Joint Revenue Committee's draft 27LSO-0111, 'Data centers industrial property', would class data processing services centers as industrial property for property tax. Staff noted that the definition, copied from the sales-tax statute (W.S. 39-15-101(a)(xliv)), could reach even small server rooms. (Wyoming Legislature, Joint Revenue Interim Committee, Aug. 31, 2026) Wyoming data centers →