Alcoa chief executive Bill Oplinger told Wall Street the US aluminium specialist could take strong action to boost profits from alumina, most of which it refines in Western Australia.
South West WA's power grid reached a record 91 per cent peak renewable energy share in December - driven by 1,225 MW of new battery storage - while wholesale power prices fell 13 per cent and carbon emissions dropped 15 per cent as coal and gas generation declined.
The green light for Black Mountain Energy comes just months after Federal experts said its environmental risk assessment was "limited and disjointed" and reached "largely unsupported" conclusions.
Jadestone Energy owns and operates the Montara and Stag oil projects off the coast of WA and has a stake in the North West Shelf oil fields. The London-listed and Singapore-headquartered company also has interests throughout South East Asia.
NOPSEMA has ordered Jadestone to urgently address corrosion on its aged Montara Venture oil vessel in the Timor Sea, which "may pose significant safety and environmental risks."
Jadestone Energy is now two wells down at its Montara field in the Timor Sea where 75% of its production comes from but says it has the cash to work on both Montara and Stag in 2021.
