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.
Carbon farming involves different agricultural and land-use practises to store more carbon in the soil and vegetation, such as tree planting or less grazing in pastoral areas.
Woodside Petroleum needs massive amounts of land for carbon offsets and the WA Government appears to be laying out an exclusive red carpet for the LNG giant.
