Market Engagement Notice - Biogas Assets, Digester Maintenance and Tanks

Process optimisation and performance improvement For the following areas - A. Digester Systems - Southern Water operates 43 digesters across 16 Sludge Treatment Centres (STCs), with a full cleaning and maintenance cycle typically undertaken on a circa 9-year basis. Between major interventions, asset

s undergo routine inspection and maintenance to ensure continued safe and efficient operation. B. Biogas Assets - Southern Water operates a range of biogas assets supporting anaerobic digestion and energy recovery processes. These assets ar