District heating systems

Reykjavík district heating

Reykjavík, Kópavogur, Garðabær, Álftanes, Hafnarfjörður, Mosfellsbær - Iceland

Verkís services was project management and design supervision, detail design, tender documents and procurement: civil engineering, mechanical design, piping systems, control and monitoring equipment. Supervision of construction work, test and start-up activities.

 Sizes: 1.200 MW and 5.000 l/s
 Project time:  1962 - 2009

Project overview:
Geothermal energy is a renewable source of energy which can improve the quality of life of people in a sustainable way. One of the best examples of this is the city of Reykjavík which used to be covered with plumes of smoke due to the burning of fossil fuels. Today, the inhabitants of Reykjavík enjoy an environmentally friendly and competitive heating system utilising energy provided by Earth itself. The development of Reykjavík geothermal district heating began in the early 1930's and is today the largest and most sophisticated geothermal district heating system in the world with 830 MW installed power.

The installed power is now over 830 MW with energy provided by four low temperature geothermal fields in Reykir, Reykjahlið, Laugarnes and Elliðaár and by cogeneration at the Nesjavellir high temperature geothermal area, located about 30 km east of the city. It will soon be connected to another high temperature area, Hellisheiði (by 2010).

Verkis has designed the major part of the geothermal district heating system owned and operated by Reykjavík Energy, including most of the pumping stations, storage tanks, the 27 km long Nesjavellir pipeline and other major transmission pipelines such as the Reykir pipelines, and the distribution network in Reykjavík, Kópavogur and Garðabær. In recent years, the oldest part of the network in Reykjavík (over 40 years old) has been refurbished.