WA energy firm Alinta Ltd will hang on to its 10.25 per cent stake in the Australian Pipeline Trust for a bit longer after announcing plans to appeal a Federal Court finding that the purchase took place under unacceptable circumstances.

WA energy firm Alinta Ltd will hang on to its 10.25 per cent stake in the Australian Pipeline Trust for a bit longer after announcing plans to appeal a Federal Court finding that the purchase took place under unacceptable circumstances.