The Conversation AU | Snowy Hydro gets a boost, but 'seawater hydro' could help South Australia The Conversation AU Cultana, South Australia: scene of the nation's next big hydro scheme? Roger Dargaville, Author provided. Snowy Hydro gets a boost, but 'seawater hydro' could help South Australia. March 16, 2017 3.21pm EDT. Roger Dargaville. Author. Roger Dargaville. |