The Government of Pakistan notes with utmost satisfaction the Court of Arbitration's Supplemental Award Concerning Maximum Pondage, handed down on 15 May 2026, in the Indus Waters Treaty proceedings relating to the Ratle Hydroelectric Plant and the Kishenganga Hydroelectric Project design disputes. The Award affirms Pakistan's central position that the Treaty places substantive limits on India's water-control capability over the Western Rivers. These limits are not mere formalities; they apply at the planning and design stage and cannot be satisfied merely by later assurances of operational restraint. Pondage for a Run-of-River Plant must be justified by real project needs, actual expected operation, site hydrology, hydraulic conditions, power-system requirements, and the information and explanation required under the Treaty. Building on the Court’s General Issues Award of 8 August 2025, the Supplemental Award gives practical effect to the standard that installed capacity and anticipated load must be realistic, well-founded and defensible. Installed capacity must correspond to actual expected operation, hydrologic and hydraulic data, and Treaty requirements. Anticipated load must correspond to actual expected operation and to the projected needs of the power system the plant is intended to serve. This addresses a core Treaty concern: India cannot justify increased Pondage through experienced capacity, load curves, unrealistic peaking assumptions, or bare assertions of compliance with Paragraph 15 release limits. Paragraph 15 remains an operational constraint, but it is not a substitute for an evidence-based justification of the water-control capacity sought. Any different operating pattern must be supported by specific information and underlying data produced by India. The Award also strengthens Pakistan's review rights. India must provide Pakistan with sufficient information and explanation to assess Treaty compliance. If India fails to do so, it fails to carry its burden of establishing that the proposed maximum Pondage satisfies Paragraph 8(c) of Annexure D. The Court further confirmed that any applicable minimum-flow obligation must be taken into account in calculating Pondage required for Firm Power where such obligation exists and is not otherwise satisfied. Paragraph 15 release requirements do not automatically satisfy such an obligation. Pakistan also notes the Court's earlier holding that arbitration awards are final and binding on the parties and have controlling legal effect for subsequent Treaty bodies on relevant questions of Treaty interpretation. Pakistan will place these interpretations before the Neutral Expert process, consistent with Treaty procedures and applicable confidentiality arrangements. Pakistan remains committed to the Indus Waters Treaty, its dispute-resolution procedures, and the peaceful settlement of water-related differences. Pakistan will continue to protect its rights under the IWT and will pursue every lawful and diplomatic means to ensure that hydroelectric projects on the Western Rivers are designed and operated strictly within Treaty limits. The Award is a strategic consolidation of Pakistan's Treaty position: maximum Pondage must be realistic, evidence-based, hydrologically grounded, power-system justified, Treaty-compliant, and incapable of inflation through assumptions. In my assessment, this ruling strengthens the rule of law in transboundary water governance by insisting on data-backed justifications rather than aspirational capacity claims. It also underscores the importance of transparent information sharing between states in the Indus watershed and signals a robust use of arbitration to uphold treaty limits. At the same time, the decision will likely influence India’s project planning and could heighten diplomatic sensitivity around future hydroelectric developments. If sustained, the approach touted by the Court could foster more predictable and verifiable design practices, reduce the risk of unilateral overreach, and encourage continued, lawful engagement between Pakistan and India to manage shared water resources peacefully.
Source: Statement from @GovtofPakistan
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Published: May 17, 2026, 8:58 am
Editorial Note: This article is based on publicly available information and official statements. We strives for accuracy and fairness in all reporting.
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