Energy generated from sludge, all forms

141.8 GWh2025-26sourcedhigh confidence

Three different forms of energy added together; useful as a scale, not as a like-for-like efficiency.

Welsh Water, Annual Performance Report 2025-26 (tables)Table 8C, lines 8C.2-8C.5, total column

Electricity 35,193 + biomethane 40,272 + heat 66,315 MWh.