BHP

Rail operator Aurizon has secured agreements with BHP to provide logistics for the mining giant's South Australia copper operations over the next 15 years, estimating total revenues of $1.5 billion.

Mining giant BHP and ACCIONA Energía will investigate if the site of NSW's largest thermal mine is capable of conversion into a pumped hydro energy storage facility.

The lawyer representing applicants in sexual harassment and discrimination class actions against mining giants BHP and Rio Tinto has said there may be thousands of group members.

A drawn out class action against BHP has asked the High Court to clarify the correct approach to construing a group member definition, after a bid to retroactively amend the class was nixed on appeal.

Mining giants BHP and Rio Tinto are facing class actions by female employees who allege they have been subject to sex discrimination or sexual harassment on the job.

BHP has told an appeals court a shareholder class action should not be allowed to expand the group definition to correct an alleged drafting error.

The Mining and Energy Union is pursuing pay increases of up to $40,000 per year for labour hire workers at three BHP coal mines under new legislation, saying the energy giant's use of labour hire to cut pay was "out of step" with community standards and the law.

BHP has won its argument that shareholders who did not purchase their stock while trading on one of the three exchanges on which the mining giant is listed are excluded from a securities class action over the collapse of a Brazil tailings dam.

BHP has admitted it underpaid mine workers $430 million for over a decade by improperly deducting leave for public holidays.