Energy needs water, and water needs energy

Marselisborg

Generating surplus power from wastewater treatment

Since 2010, Marselisborg wastewater treatment plant has transformed its focus beyond minimising energy consumed, to maximising net energy surplus. Nowadays the facility has net production of both electricity and heat, supplying the district heating system in Denmark’s second-largest municipality, Aarhus. The carbon footprint has been reduced by 35 % accordingly.