A feasibility report was issued in 1999 and a project planning report in 2000. The construction period of the project was five years, from spring 2003 to autumn 2007 with additional diversion schemes completed in 2008. An extensive construction power distribution system served the entire construction site.
HRV Engineering´s mother companies, Mannvit and Verkís, were responsible for project management, structural, mechanical and electrical design, preliminary design of transmission lines, geotechnical engineering, geology, EIA reports and procedures.
Financed by Landsvirkjun (The National Power Company of Iceland), this is one of the largest projects in Europe and included the longest, most extensive and complex EIA procedure in Iceland's history.
HRV Engineering´s mother companies were responsible for diverse engineering services for the Kárahnjúkar project.