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Stillwater rejects 'mathematical' market power test in Australian antitrust appeal

By Saloni Sinha ( March 12, 2026, 07:49 GMT | Insight) -- Farming business Stillwater Pastoral has warned an Australian court hearing an antitrust appeal against electricity generators Stanwell Corporation and CS Energy that relying on "mathematical" proportions alone to assess market power is "wrong in principle" and ignores how the country’s wholesale electricity sector actually functions. In a Federal Court hearing on Thursday, Stillwater’s lawyer Justin Gleeson argued that even brief and intermittent price spikes can represent a substantial exercise of market power that traditional statistics may overlook.Farming business Stillwater Pastoral has warned an Australian court hearing an antitrust appeal against electricity generators Stanwell Corporation and CS Energy that relying on "mathematical" proportions alone to assess market power is "wrong in principle" and ignores how the country’s wholesale electricity sector actually functions....

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