i3 Energy Plc, a holding company, engages in the acquisition, development, and production of oil and gas assets in the United Kingdom and Canada. The company holds the 13/23c and 13/23d blocks in Liberator field; and 75% interest in the 13/23c-10 well in the Serenity field. Its production asset base consists of approximately 850 net conventional oil, natural gas, and natural gas liquids production wells in Central Alberta, Wapiti / Elmworth, Simonette, and the Clearwater play, Canada. The company was founded in 2014 and is based in Eastleigh, the United Kingdom. As of October 31, 2024, i3 Energy Plc operates as a subsidiary of Gran Tierra Energy Inc.