The boiler house at Eggborough Power Station contained the steam generating boilers and pulverised fuel mills. The four reheat boiler units were manufactured by Foster Wheeler / John Brown, were single furnace, front wall fired, natural circulation water tube boilers. The boilers had an evaporation capacity of 422 kg/s at 165 bar. The superheated steam temperature was 568°C.
When the station was on full load each boiler would burn about 200 tons of coal per hour, giving a total for the whole station of 19,200 tons per day. The walls of the furnace were composed of 2.5 inch bore steel tubes filled with water which was turned into steam by the heat from the furnace.
The coal passed through pulverising mills where it was ground to a fine powder before being blown into the furnaces by a heated air stream. The pulverised fuel mills were also manufactured by Foster Wheeler / John Brown. There were 24 PF mills, 6 per unit. The mills were horizontal ball mills (D9 type). The FD Fans and ID Fans were supplied by James Howden. The “Lagos” drag link coal feeders were supplied by Redler, and there were two per mill.