By Jason Deign
Doubts over the strength of the grid have called into question a USD$17.2bn plan to build 10GW of pumped hydro storage in India.
Central Electricity Authority chairman SD Dubey unveiled the five-to-six-year pumped hydro programme last month.
The administration would be adopting pumped hydro to store excess power from India’s growing renewable energy sector because the storage medium is cheaper than batteries, he said.
But being able to store energy in pumped hydro reserves depends upon getting it to the dams in the first place.
And observers have questioned whether India’s grid is up to the task, particularly since it is already groaning under the impact of solar energy.
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