While sources such as solar and wind may be renewable, they do not promise a constant and predictable stream of power: the sun does not always shine and the wind does not always blow.
Given this fact, if renewables are to become a crucial part of India’s energy mix, energy storage will be incredibly important.
Ajay Shankar explained to CNBC that the “key issue for India” and the rest of the world was costs related to electricity storage.
“These have been declining rapidly,” he noted. “The expectation is that they continue to fall quickly. India is taking the first steps towards deploying storage technologies and getting experience of managing the system.”
When costs of storage had declined sufficiently, Shankar said large scale deployment would be feasible. “The use of fossil fuels would then start declining,” he said.
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