Hydropower Disputes Under Indus Waters Treaty Between India and Pakistan: A Battle Over Rivers, Energy and Water Security
Introduction
The Indus Waters Treaty (IWT) of 1960 is one of the most successful water treaties in history, but hydropower disputes continue to challenge the agreement between India and Pakistan, facilitated by the World Bank. Despite multiple wars and crises since its signing, the treaty effectively divided the Indus River Basin waters between the two nations, with the western rivers allocated mostly to Pakistan and eastern rivers given to India. However, this does not mean that India is prohibited from constructing any sort of dams on the rivers allocated to Pakistan; a treaty exception allows India to use western rivers for run-of-the-river hydropower projects with specific limitations. ([worldbank.org][1])
The water conflict between India and Pakistan over hydropower projects is much more than just another international disagreement over energy resources, as both nations share a river system with complicated hydrology, upstream-downstream relationships, and vulnerabilities to climate change. The treaty allows India to use its upper riparian position to generate electricity, but Pakistan has significant concerns about the potential interference with its water resources. There are technical disagreements over whether India can build run-of-the-river (RTR) schemes or not, whether these projects will obstruct downstream water supplies and irrigation systems, and whether climate change will impact Indus Basin hydrology, among several other issues. ([thehindu.com][5])
Hydropower is not the only source of tension between India and Pakistan; both nations have unresolved historical and territorial conflicts. However, water-related disagreements are particularly acute for these countries, as the Indus River system is essential for the survival of societies and economies in both states.
It may be possible to turn hydropower-related tensions into an opportunity for India-Pakistan cooperation in the future, but for now, both nations are approaching the issue from distinctly nationalistic perspectives.
The following article will discuss the Indus Waters Treaty, hydropower issues related to it, and provide answers to frequently asked questions about India-Pakistan water disputes.
Indus Waters Treaty and Hydropower Rights
Under the IWT of 1960, India and Pakistan gained possession of the six rivers in the Indus River Basin. The three eastern rivers, Ravi, Beas, and Sutlej, were allocated to India, while the Indus, Jhelum, and Chenab western rivers were given to Pakistan. According to the treaty, Pakistan did not receive all the waters of the Indus River; instead, it gained a certain amount of water that was allocated to India as well. ([Reuters][2])
India has the right to construct run-of-river hydropower projects on the western rivers under the Indus Waters Treaty, but Pakistan does not approve of India’s plans. The primary reason is that they believe India will obstruct downstream water flows. India asserts that it has the right to construct run-of-the-river dams, which do not utilize significant water storage capacities, but Pakistan continues to express concerns over possible reductions in downstream flows. ([thehindu.com][5])
India’s interest in developing hydropower projects in Jammu and Kashmir is complicated by Pakistan’s concerns about downstream water diversion on the Indus River.
Baglihar Hydropower Project: First Dispute
The first major dispute under the Indus Waters Treaty concerned the Baglihar Hydropower Project on the Chenab River in Jammu and Kashmir. Pakistan argued that India’s project would obstruct downstream water flows due to the gates at the spillways and exceeded the storage capacity authorized by the treaty. A neutral expert was tasked with reviewing the dispute and determining whether or not the Baglihar Dam construction could proceed. Ultimately, the Neutral Expert ruled that India could continue building the dam on the Chenab River but had to make several design modifications. ([The Economic Times][3])
Even though the conflict was resolved, many similar disputes about hydropower projects continued to emerge.
Kishenganga Hydropower Dispute: Diverting River Flows
The Kishenganga Hydroelectric Project dispute is one of the most prominent examples of India-Pakistan disagreements over the Indus Waters Treaty. The Lower Kishenganga River is a tributary of the Jhelum River, and India planned to construct a hydropower facility that would require diverting water flows in the region, thus impacting Pakistan’s water supply.
The dispute was submitted to the Court of Arbitration, which ruled that India could proceed with the Kishenganga project but with a commitment to provide minimum downstream flows to Pakistan.
The Indus Waters Treaty and climate change policy are two essential factors in the controversy over the Kishenganga Hydroelectric Project.
The issue with the Kishenganga Hydropower Plant is that it does not involve the construction of a storage dam, but rather a run-of-river scheme that diverts water through a tunnel, creating a diversion structure. ([asil.org][4])
Ratle Hydropower Project Dispute
The controversy surrounding the Ratle Hydroelectric Project involves the Chenab River, one of the western rivers allocated to Pakistan. Ratle Hydropower Plant is a 450 MW hydroelectric power station whose construction has sparked a significant dispute between India and Pakistan. Pakistan’s objections to the project were related to technical specifications of the dam, including its storage capacity and outlets for sediment removal.
India responded to Pakistan’s concerns by asserting that the Ratle Hydropower Plant complied with the Indus Waters Treaty requirements and suggested that the Neutral Expert examine the situation. Instead, Pakistan requested that the dispute be submitted to arbitration, and India reiterated its position that an expert examination would be more appropriate. Consequently, both sides initiated legal proceedings under the Indus Waters Treaty’s dispute settlement mechanism. ([worldbank.org][1])
Similar to the Baglihar and Kishenganga Hydropower Plant controversies, the Ratle Hydropower Project dispute involved disagreements related to technical specifications.
Climate Change and Future Hydropower Disputes
Due to glaciers, extreme weather events, and shifting weather patterns, the Indus River Basin is vulnerable to climate change. The rising temperatures and glacial melts affect water availability and cause severe floods in the region. Additionally, climate change impacts precipitation regimes and increases the likelihood of prolonged droughts, complicating water management in the basin.
In the future, there may be disagreements concerning climate change adaptation and mitigation measures, as well as adjustments to water management practices in response to observed trends. In particular, both nations will need updated data regarding weather patterns to ensure reliable water supplies. Climate change creates additional challenges for water management in the Indus Basin, and India-Pakistan tensions over water resources are likely to persist.
Himalayan hydropower is one of India’s priorities for renewable energy development, but Pakistan is concerned about downstream river flows. Consequently, both nations have to consider hydropower issues within the context of climate change and water availability.
India-Pakistan relations can be strained, but tensions do not have to dominate the situation when it comes to the Indus River. In fact, resolving hydropower disputes could turn into an opportunity for India-Pakistan cooperation.
Can Hydropower Become a Source of Cooperation?
India and Pakistan can certainly cooperate in promoting hydropower development, but they should take a scientific approach to addressing the Indus Waters Treaty issues rather than pursuing nationalistic agendas. The Indus River Basin is home to millions of people and serves as a critical agricultural and commercial region.
India and Pakistan both depend on the Indus River’s waters and face similar challenges, such as glacier collapses, severe flooding, and insufficient freshwater supplies. Therefore, it is in both nations’ interests to cooperate on water storage and management issues as well as share information about potential climate risks. India and Pakistan must engage in joint river research, transparent hydropower development assessments, and climate change mitigation initiatives in order to foster long-standing collaboration.
Conclusion
Hydropower disputes under the Indus Waters Treaty epitomize the intricate nexus between energy production and water management in South Asia. The IWT issues related to hydropower projects in the Indus River Basin illustrate the complications that can arise from harnessing river power for electricity generation.
The Indus Waters Treaty has successfully endured multiple conflicts and crises, but hydropower disputes represent a serious challenge to its longevity. The Indus River is not merely a water source; it is the backbone of agriculture, ecosystems, and economies in the region.
With climate change threatening glaciers, extreme weather events, and consistent droughts, water management in the Indus Basin will become even more difficult in the future. Consequently, it will be even more important to adopt a scientific and cooperative approach to managing freshwater sources and mitigating tensions between India and Pakistan.
Frequently Asked Questions (FAQs)
What is the main reason behind hydropower disputes under the Indus Waters Treaty?
The main reason behind hydropower disputes under the Indus Waters Treaty is disagreement over whether India’s projects on the western rivers comply with the technical limitations of the treaty.
Does the Indus Waters Treaty allow India to build dams on rivers allocated to Pakistan?
Yes, the treaty allows India to build dams on rivers allocated to Pakistan, but only run-of-the-river ones with specific limitations.
What are the major hydropower disputes between India and Pakistan?
The major hydropower disputes between India and Pakistan are the Baglihar Hydropower Project dispute, Kishenganga Hydroelectric Project dispute, and the Ratle Hydroelectric Project dispute.
Why is Kishenganga Hydropower Project controversial?
Why is Kishenganga Hydropower Project controversial? The dispute involves India’s plan to divert river flows and obstruct downstream water supplies in Pakistan. The Court of Arbitration ruled that India could proceed with the project but had to leave minimum downstream flows for Pakistan’s needs. ([asil.org][4])
How does climate change affect Indus hydropower disputes?
How does climate change affect Indus hydropower disputes? Climate change affects water supplies through glacier melts, extreme weather events, and shifting precipitation patterns, which complicates hydropower development and water management.
Can India and Pakistan cooperate on Indus hydropower development?
Can India and Pakistan cooperate on Indus hydropower development? Yes, both nations can cooperate on hydropower development but must adopt a scientific approach to Indus Waters Treaty disputes and share climate-related information.
References
[1]: https://www.worldbank.org/en/news/press-release/2022/10/17/world-bank-makes-appointments-under-indus-waters-treaty?utm_source=chatgpt.com "World Bank Makes Appointments Under the Indus Waters Treaty"
[2]: https://www.reuters.com/world/asia-pacific/what-is-indus-waters-treaty-between-india-pakistan-2025-04-24/?utm_source=chatgpt.com "What is the Indus Waters Treaty between India and Pakistan?"
[3]: https://m.economictimes.com/news/india/from-salal-to-ratle-a-series-of-constraints-indus-waters-treaty-and-the-cost-of-cooperation/amp_articleshow/120706519.cms?utm_source=chatgpt.com "From Salal to Ratle, a series of constraints: Indus Waters Treaty and the cost of cooperation - The Economic Times"
[4]: https://asil.org/insights/volume-29-issue-6/?utm_source=chatgpt.com "The Indus Waters Treaty - Recurring Conflicts, Non-Participation and Parallel Proceedings in the Kishenganga and Ratle Disputes – ASIL"
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