On 1 November 1963, the Rådmandshaven housing estate is the first buildings in Toskilde to employ distant heating.
[1] Roskilde Forsyning was established through the merger of the activities within electricity, water, district heating in 2000.
In 2007, Sewage treatment was also merged with the company while the electricity production was sold to SEAS-NVE on 1 July 2009.
Likewise, Roskilde Forsyning daily removes, treats and disposes 23,100 m³ of wastewater from some 82,000 customers using 200 sewage pumping stations through almost 1000 km of managed sewerage pipes to five sewage treatment works.
The network of district heating distribution pipes has a total length of 286 km, serving 50,000 customers.