DECARBON Congress (also known as the Oil & Gas Decarbonisation Congress) is an international energy transition summit focused on accelerating decarbonisation across the oil and gas value chain. Scheduled for 9–10 February 2026 in Vösendorf, Austria, the event brings together industry leaders, decision-makers, and technical specialists from oil and gas companies, EPCs, pipeline operators, refineries and petrochemical plants to explore strategies for achieving Net Zero emissions. Participants share insights on low-carbon hydrogen, CCUS (carbon capture, utilisation & storage), digital sustainability tools, energy efficiency, and alternative fuels, with a programme of panels, case studies, and networking opportunities designed to drive collaboration and innovation in sustainable energy solutions.