Nabha Power Limited vs Punjab State Power Corporation Limited
Background
In an earlier 2017 judgment, the Supreme Court had settled a formula for how power generating companies (including Nabha Power Limited) should be compensated by Punjab State Power Corporation Limited (PSPCL) for coal costs and calorific value under their power purchase agreement. Despite that ruling and further orders (including two rounds of contempt proceedings where PSPCL was found guilty of non-compliance and directed to pay), PSPCL kept resisting payment, eventually filing a fresh petition before the electricity Regulatory Commission seeking recovery of amounts already paid and other coal-related claims. The Regulatory Commission held this fresh petition maintainable, relying on a line in the Supreme Court's 2021 contempt order that had left "all future disputes" open, and the generating companies challenged that maintainability ruling before the Supreme Court.
Decision Breakdown
The Supreme Court held that its earlier reference to "all future disputes" was meant only for disputes arising after the 09.03.2021 order and going forward. It was never intended to allow PSPCL to reopen or seek a refund of amounts whose calculation had already been conclusively settled and paid under the 2017 judgment and the contempt orders enforcing it. Examining PSPCL's fresh claims about coal-washing losses and calorific value discrepancies, the Court found these were essentially the same arguments already raised and rejected multiple times across six years of litigation, "the same wine in a new bottle." It held that allowing the Regulatory Commission's petition to proceed would improperly reopen a settled matter and reward a party's repeated efforts to delay compliance with a final court order. The Court set aside the Regulatory Commission's order, allowed the appeals, and, to discourage this pattern of repeated relitigation, awarded substantial actual costs to the appellants (Rs. 40 lakh to Nabha Power and Rs. 25 lakh to Talwandi Sabo Power), to be paid within four weeks.
Lesson Learnt
A court's grant of "liberty to raise future disputes" is not a loophole to reopen matters that have already been conclusively decided and complied with. Courts will treat repeated attempts to relitigate a settled issue as an abuse of process and can penalise it with a real costs award, not just a token one.