Case 3 refers to pathways in which the electricity required in the process is taken from the grid and the process heat is supplied by a biogas boiler.
Tagraíonn cás 3 do chonairí ina dtógtar an leictreachas atá de dhíth sa phróiseas ón eangach agus ina ndéantar teas an phróisis a sholáthar ó choire bithgháis.