Case centres on a 2018 toxic spill at the Badila oilfield, equivalent in volume to 34 Olympic-sized swimming pools.
The Canadian miner has reportedly engaged law firm Thomson Geer to finalize a prospectus for listing in the ASX before Christmas.
The three executives, including CEO Terry Holohan, were freed from detention on Wednesday.
The 20 MWp solar and 11 MWh battery project will provide clean energy to meet 20% of the mine’s energy needs.
