the history of clyde dam

  • 1945

    Investigations begin about whether the Clutha River could potentially be stopped
  • 1948

    building of the Roxburgh dam begins.
  • 1959

    Lake Hawea control dam is complete Lake Hawea rises by 20m.
  • 1963

    Huge investigations into building more dams from the lakes to the sea on the Clutha River.
    30 proposed dam sites, 20 of these were costed out.
  • 1971

    Reports are submitted outlining the environmental effects of damming the river. This is when a lot of the protesting began.
  • 1976

    A site is selected for building the Clyde Dam
  • 1977

    Bulldozers come in and start groundwork for the dam
  • 1977

    Later - Water Right is granted but for a low dam, not a high dam (which was what was being built)
  • 1979

    Building begins on the right side of the dam
  • 1981

    Government agrees to the construction of a high dam.
  • 1981

    Government puts a tender out for the building of the dam. 7 recieved back
  • 1982

    A tender is accepted at a cost of 102.6 million dollars.
  • 1982

    The fault line is discovered and the dam is redesigned to cope. This is the ‘slip joint’ that is located halfway across the dam. This allows for 2m of sideways and 1m of vertical movement
  • 1987

    Work on the dam peaks with over 1000 workers being employed on site.
  • 1990

    Gorge stabilization work is completed. This is another extra cost
  • 1993

    The dam is complete and the reservoir is filled flooding the Cromwell gorge
  • 1994

    23 April - The dam is officially opened
  • 1996

    Electrocorp who had ownership of the dam is split into two state owned assets. Contact Energy is now the operator of Clyde and Roxburgh dams
  • 2004

    Edison Mission Energy from Australia gets 51.2% share holdings of Contact Energy.
  • 2009

    Contact Energy release plans for another 5 dams on the Clutha river
  • 2012

    Contact Energy officially withdraws all plans for any more damming on the Clutha.