Carnegie Wave Energy has signed a memorandum of understanding with a Sri Lankan company for commercial wave and microgrid projects in the country.
A Chidlow-based contractor has been fined $110,000 over the death of an employee in 2015.
Perth mining executive Michael Fotios has continued his investment spree, by taking a 7 per cent stake in RNI for $1.2 million.
The federal energy minister has defended linking his concerns about the stability of renewable energy with South Australia's power outage, which was caused by strong winds and lightning damaging supply infrastructure.
South Australia's Whyalla steelworks has been crippled by the statewide blackout caused by severe storms and operators are now racing to restore power to save further costly damage and production losses.