About Exhibition The World Biogas Expo 2026 will be held from 8th - 9th July 2026 at NEC Birmingham in England, United Kingdom. This is a leading trade show and conference dedicated to anaerobic digestion (AD) and biogas. Over 300 exhibitors from around the world will showcase the latest products and technologies in the AD and biogas industry. The World Biogas Expo 2026 includes everything from AD equipment and biogas upgrading systems to digestate management solutions and renewable gas vehicles.