The world-famous Opera House is home to a pioneering seawater cooling plant which will be on show tomorrow for a major sustainability announcement by the NSW Deputy Premier, Troy Grant.
The announcement will take place tomorrow morning at the concert hall of the Opera House.
As part of the announcement, the Opera House will be bathed in green using the latest energy efficient lighting.
Grant will be joined by Sydney Opera House building director Greg McTaggart and Green Building Council of Australia (GBCA) CEO, Romilly Madew.
The announcement will be followed by a short tour backstage to see the latest sustainability initiatives adopted by the Opera House.