POWER PLANTS

摘要

The UK's first large-scale anaerobic digester to run purely on energy crops is nearing full production. Take 37,000t of forage maize, 2500t of whole-crop wheat, a ￡l5m digester and two 1500hp, V-20, 60-litre engines and you have the means to generate15GWh of electricity each year - enough to power 4000 homes. Severn Trent Water's project - the UK's first large-scale anaerobic digester to run wholly on energy crops - is set to meet an end-of-year deadline for full electricity production. A company keen to exploit renewable energy, Severn Trent has 52 gas-powered engines on 35 water treatment sites. Total production last year was 183GWh, or 20% of the company's annual electricity bill.