2006 -

In 2007, Hydro spinned off and merged its petroleum businesses with Statoil. What remained in Hydro was a global, integrated aluminium and hydroelectric power company. Extensive bauxite mining and alumina refining activities were acquired in Brazil four years later. The circle was closed for the 'new' Hydro with business activities all through the value chain for aluminium.

2007: Just aluminium, 105 years on

On October 1 2007, Hydro became a focused aluminium company. 105 years after the adventure began, at the Rjukan waterfall in the mountains of Telemark in southern Norway, the company had finally become what its founder, Sam Eyde, originally envisaged.

2011: Hydro came full circle in Brazil

Hydro came full circle with its takeover of Vale's aluminium activities in Pará, Brazil in 2011.