Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

People / Markwayne Mullin / Questions / Energy

How did Markwayne Mullin vote on Energy?

Markwayne Mullin voted Yea on 10 and Nay on 0 of the 13 Energy roll calls in the Senate in the 119th Congress, and did not vote on 2, as of Nov 2, 2026.

On the 10 of those where most Democrats and most Republicans voted on opposite sides, he voted with Republicans 100% of the time (median for Senate Republicans: 100%).

Energy votes
Yea10
Nay0
Did not vote2
Energy roll calls in the Senate13
With Republicans on party-line votes10 of 10 (100%)
Senate Republicans, median100%

Source: Voteview roll calls (UCLA) · policy area of each bill from congress.gov · How we measure · Updated Nov 2, 2026

The 10 most recent of 12 Energy votes

DateMeasureTitleVote Party split (yea)Result
Dec 4, 2025 H.J.Res. 131 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to Coastal Plain Oil and Gas Leasing Program Record of Decision.On the Joint Resolution · This joint resolution opens public land for oil and gas leasing in the Arctic National Wildlife Refuge. Yea Passed
49–45
Dec 3, 2025 S.J.Res. 91 A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Coastal Plain Oil and Gas Leasing Program Record of Decision".On the Motion to Proceed · This joint resolution nullifies the rule submitted by the Bureau of Land Management (BLM), issued on December 9, 2024, and related to the… Yea Passed
49–47
Oct 30, 2025 S.J.Res. 80 A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "National Petroleum Reserve in Alaska Integrated Activity Plan Record of Decision".On the Joint Resolution · This joint resolution reopens portions of the National Petroleum Reserve for oil and gas leasing. Yea Passed
52–45
Oct 29, 2025 S.J.Res. 80 A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "National Petroleum Reserve in Alaska Integrated Activity Plan Record of Decision".On the Motion to Proceed · This joint resolution reopens portions of the National Petroleum Reserve for oil and gas leasing. Yea Passed
54–46
May 1, 2025 H.J.Res. 75 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of Energy Efficiency and Renewable Energy, Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Commercial Refrigerators, Freezers, and Refrigerator-Freezers".On the Joint Resolution · This joint resolution eliminates new, more stringent energy conservation standards for commercial refrigerators, freezers, and… Yea Passed
52–45
Apr 30, 2025 H.J.Res. 75 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of Energy Efficiency and Renewable Energy, Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Commercial Refrigerators, Freezers, and Refrigerator-Freezers".On the Motion to Proceed · This joint resolution eliminates new, more stringent energy conservation standards for commercial refrigerators, freezers, and… Yea Passed
52–46
Apr 30, 2025 H.J.Res. 42 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program for Appliance Standards: Certification Requirements, Labeling Requirements, and Enforcement Provisions for Certain Consumer Products and Commercial Equipment".On the Joint Resolution · This joint resolution eliminates new, more stringent certification, labeling, and enforcement requirements related to energy conservation… Yea Passed
52–46
Apr 29, 2025 H.J.Res. 42 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program for Appliance Standards: Certification Requirements, Labeling Requirements, and Enforcement Provisions for Certain Consumer Products and Commercial Equipment".On the Motion to Proceed · This joint resolution eliminates new, more stringent certification, labeling, and enforcement requirements related to energy conservation… Yea Passed
52–46
Apr 10, 2025 H.J.Res. 20 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Consumer Gas-fired Instantaneous Water Heaters".On the Joint Resolution · This joint resolution nullifies the rule titled Energy Conservation Program: Energy Conservation Standards for Consumer Gas-fired… Not voting Passed
53–44
Apr 9, 2025 H.J.Res. 20 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Consumer Gas-fired Instantaneous Water Heaters".On the Motion to Proceed · This joint resolution nullifies the rule titled Energy Conservation Program: Energy Conservation Standards for Consumer Gas-fired… Not voting Passed
52–42

All 12 are in the full voting record, part of Pro.