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11 Jul 2026ENVIRONMENT3 questions

A 2,000 MW Battery That Costs 2,500 MW: Why an Expert Panel Told the Centre to Drop the Sharavathi Project

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Article summary

The Union Government told the Karnataka High Court on 10 July 2026 that a three-member expert committee constituted by the National Board for Wildlife and the Ministry of Environment, Forest and Climate Change has recommended against the proposed 2,000 MW Sharavathi Pumped Storage Project, and advised against granting it statutory clearances. The roughly ₹10,000-crore project, promoted by the Karnataka Power Corporation, would require about 142.76 hectares of land — approximately 102 hectares inside the Sharavathi Valley Lion-Tailed Macaque Wildlife Sanctuary and about 39.72 hectares in its eco-sensitive zone — across Shivamogga and Uttara Kannada districts in the Western Ghats. The committee's most striking finding was arithmetical: the plant would draw roughly 2,500 MW to pump water uphill in order to return about 2,000 MW at peak demand, a net energy loss inherent to pumped storage, which the panel weighed against irreversible loss of evergreen forest in a sanctuary holding roughly 700 lion-tailed macaques. The Karnataka High Court had already stayed work in the forest area in March 2026 on a public interest litigation. For UPSC, this is a rare, fully documented instance of the renewable-energy-versus-biodiversity trade-off being adjudicated on the record.

What this tests

recallTests whether you read the article and retained key facts.
1Q
applicationTests whether you can apply the concept to a new scenario.
1Q
analysisTests whether you can reason across multiple related facts.
1Q

Sample questions — answers revealed after test

ENVIRONMENTRecallEasy

Q1. With reference to the lion-tailed macaque, which one of the following statements is correct?

AIt is found across the Western and Eastern Ghats and is listed as Least Concern on the IUCN Red List.
BIt is endemic to the Western Ghats, listed as Endangered on the IUCN Red List and placed in Schedule I of the Wild Life (Protection) Act, 1972, and is highly arboreal, depending on contiguous evergreen canopy.
CIt is a ground-dwelling species, which makes canopy fragmentation largely irrelevant to its survival.
DIt is distinguished by a golden coat and is the state animal of Karnataka.
Answer revealed after you submit the test
ENVIRONMENTApplicationMedium

Q2. A pumped storage project consumes more electricity in pumping water uphill than it later generates on release. Which one of the following best explains why such projects are nevertheless built?

AThe net energy loss is offset because the water can be used for irrigation after generation.
BPumped storage produces more electricity than it consumes when the reservoir is fed by a perennial river.
CIt is a storage technology rather than a generating one: it absorbs surplus power when demand is low and returns it at peak, so the value lies in shifting energy in time even at a net energy loss.
DThe pumping is powered entirely by the potential energy of the upper reservoir, making the cycle self-sustaining.
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ENVIRONMENTAnalysisHard

Q3. Consider the following statements regarding the Sharavathi pumped storage proposal: 1. The project requires about 142.76 hectares, of which roughly 102 hectares lie inside the Sharavathi Valley Lion-Tailed Macaque Wildlife Sanctuary and 39.72 hectares in its eco-sensitive zone. 2. A three-member expert committee constituted by the National Board for Wildlife and the MoEFCC recommended against implementing the project and against granting statutory clearances. 3. The Karnataka High Court dismissed the public interest litigation against the project, holding that no interim relief was warranted. Which of the statements given above are correct?

A1 only
B1 and 2 only
C2 and 3 only
D1, 2 and 3
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