# Wyoming 2026 Republican primary results > Live situation record from CLSTR: https://clstr.news/situations/wyoming-2026-republican-primary > Updated: 2026-08-19T02:53:43.000Z. Sources: 9. Developments: 4. As the Aug. 18 primary approached, the political landscape was defined by internal party power struggles and debates over economic development. A notable contest involved House Speaker Chip Neiman, a member of the Freedom Caucus, challenging State Senator Ogden Driskill in an effort to move the state Senate toward a more hard-right stance. The rapid growth of the data center industry also emerged as a major policy issue. While some see the industry as a way to diversify the economy using Wyoming’s cheap energy, others express concerns regarding water usage, electricity rates, and the preservation of the state’s rural character. Property taxes remained a significant concern for voters deciding the state’s political direction. Following the Aug. 18 primary, several key races were decided. State Senator Eric Barlow secured the Republican nomination for governor with approximately 44.4% of the vote; he will face Democrat Kenneth Casner and Constitution Party nominee Rebecca Bextel in the November general election. In the race for the U.S. Senate seat being vacated by retiring Republican Senator Cynthia Lummis, Representative Harriet Hageman won the Republican nomination. Hageman, who holds the endorsement of Donald Trump, is set to face Democrat James Byrd in the general election. ## Claims - The Wyoming Senate seat is open due to the retirement of Senator Cynthia Lummis. (disputed) - Harriet Hageman will face Democrat James Byrd in the November general election for the Senate. (disputed) - The Associated Press called the Republican primary races for governor and Senate in Wyoming. (corroborated by 3 sources) - Harriet Hageman won the Republican nomination for the U.S. Senate seat in Wyoming. (corroborated by 2 sources) - Eric Barlow won the Republican gubernatorial primary with approximately 44.4% of the vote. (single source) - James Byrd won the Democratic primary for Wyoming's U.S. Senate seat. (single source) - Harriet Hageman received the endorsement of Donald Trump for her Senate candidacy. (single source) - Eric Barlow will face Democrat Kenneth Casner and Constitution Party nominee Rebecca Bextel in the general election. (single source) ## Timeline ### 2026-08-19: Wyoming primary results: Eric Barlow and Harriet Hageman win GOP nominations Wyoming Republicans Eric Barlow and Harriet Hageman won their respective primaries for governor and U.S. Senate, advancing to the November general election. 4 sources. https://clstr.news/cluster/wyoming-primary-results-eric-barlow-and-harriet-hageman-win-gop-nominations ### 2026-08-13: Wyoming primary elections feature GOP power struggle and data center debates Wyoming’s August 2026 primaries feature a high-stakes Republican battle for Senate control and intense debate over data center development, water resources, and property taxes. 4 sources. https://clstr.news/cluster/wyoming-primary-elections-feature-gop-power-struggle-and-data-center-debates ### 2026-07-24: Wyoming Republican Gubernatorial Candidates Barlow and Degenfelder Discuss Energy, Public Lands and Affordability Wyoming GOP gubernatorial hopefuls Eric Barlow and Megan Degenfelder debated energy policy, public lands and affordability at a Casper College forum ahead of the Aug 18 primary. 2 sources. https://clstr.news/cluster/wyoming-republican-gubernatorial-candidates-barlow-and-degenfelder-discuss-energy-public-lands-and-a ### 2026-07-15: Wyoming Republican Secretary of State Primary Candidates Emphasize Election Integrity and Business Regulation Wyoming Republican primary candidates for secretary of state discussed election security and business regulation at a July forum; the primary is on Aug 18, with the winner to face Democrat Bryan McCarty. 3 sources. https://clstr.news/cluster/wyoming-republican-secretary-of-state-primary-candidates-emphasize-election-integrity-and-business-r --- Cite as: Wyoming 2026 Republican primary results. CLSTR, https://clstr.news/situations/wyoming-2026-republican-primary