Top energy mergers and acquisitions in October 2026
Every verified merger and acquisition in the energy sector in this period, ranked by disclosed value. Updated every morning.
We tracked 7 deals in the energy sector in October 2026, 6 of them with a disclosed value, worth $9.8bn in total. The largest was Cenovus Energy's $4bn deal for Athabasca Oil, ahead of Energy Transfer and Vaquero Midstream at $2.6bn.
Top energy mergers and acquisitions in October 2026
- 15 OctCenovus Energy → Athabasca OilCenovus agrees C$5.7bn deal to buy Athabasca OilEnergyAgreed$4bn
- 26 OctEnergy Transfer → Vaquero MidstreamEnergy Transfer agrees $2.63bn deal for Vaquero MidstreamEnergy / MidstreamAgreed$2.6bn
- 39 OctENEOS Holdings → Chevron Asia-Pacific downstream businessesSingapore regulator weighs ENEOS's purchase of Chevron refinery stakeEnergy / Refining and fuels marketingIn review$2.2bn
- 45 OctIthaca Energy → Suncor Energy (Terra Nova, White Rose, West White Rose stakes)Suncor sells Newfoundland offshore stakes to Ithaca for C$1.2bnEnergyAgreed$860m
- 52 OctFlowco Holdings → Lifting SolutionsFlowco buys Canada's Lifting Solutions for US$113mEnergyCompleted$113m
- 616 OctDolomiti Energia → Retragas (91.6% stake from A2A and Unareti)A2A sells Retragas gas network stake to Dolomiti EnergiaEnergy / Gas transmissionAgreed$73m
- 714 OctHy24 (Clean Hydrogen Infrastructure fund) → Hynamics (from EDF Pulse Ventures)EDF agrees to sell hydrogen unit Hynamics to Hy24Energy / HydrogenAgreedUndisclosed