AGL says the coal ash dam at its Bayswater power plant will be full within two years, unless it is upgraded, and the company also plans to reduce saline discharges from the site.
Latrobe Valley coal mines should speedily be filled with water once production ceases, and that might mean using treated wastewater or seawater, according to EnergyAustralia.
It will take decades to create ground-stabilising lakes in the Latrobe Valley's three brown coal mine pits, partly because river inflows have declined, according to a new report.
A novel energy storage technology commissioned today at a wastewater plant will be suitable for many heat-dependent industries, according to the company that developed it.
Thirteen Victorian water corporations have signed a renewable energy deal with Total Eren, in the fourth power purchase agreement for its 256MW Kiamal solar farm.