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11 November – NEED FOR GRID SCALE BATTERY STORAGE

India is working on the world’s largest grid-scale battery storage programme, including a 13 gigawatt-hour (GWh) facility in Ladakh and a 14 GWh system in Kutch. In comparison, the world’s highest installed storage capacity is 400 megawatt-hour (MWh).

NEED FOR BATTERY STORAGE

. Large battery storages that store and reconvert electricity can help India’s electricity grids, given the intermittent nature of power from clean energy sources such as solar and wind.
. India already has 100 GW of solar and wind capacity, and is adding another 63 GW.
. A planned renewable capacity of 450 GW by 2030 can threaten the grid’s stability in case of generation outages due to cloud cover, rains, or wind dying down affecting renewable energy production.
. Large grid-scale battery storage can help in such a scenario, ensuring the grid frequency remains in the range of 49.9–50.05 hertz (Hz).

INITIATIVES

. India has unveiled an Rs18,100 crore production-linked incentive (PLI) scheme for a battery storage eco-system that involves setting up 55-GWh manufacturing capacity for advance chemistry cell batteries.
. The Centre plans to call bids for setting up around 4 GWh of grid-scale battery storage?system at the regional load dispatch centres.
. NTPC has floated a global tender for a 1GWh grid-scale battery storage system and Tata Power Solar has been contracted to set up India’s first large-scale battery storage?of?50?megawatt-hour?(MWh) at Leh.?Reliance?Industries?Ltd has plans to set up an advanced energy storage giga factory.

COST ECONOMICS

While lithium-ion battery cell prices have fallen to $90-140 per kWh, they are expected to fall to $73 per kWh by 2030. “Considering the?larger share of RE, IEA estimates ± 85% flexibility for the Indian power system?by?2040, which will?be a challenge to manage… energy storage systems?will play a critical role.

CONCERNS

• With lithium in short supply in India, there are concerns given that Chinese state-owned firms have already secured lithium mine concessions?in?lithium-rich?nations.
• India and US are looking at setting up an alternative supply chain for lithium.
• The Geological Survey of India has taken up seven lithium exploration projects.
• Also, the Atomic Minerals Directorate for Exploration and Research under the department of atomic energy has undertaken lithium exploration in Karnataka and Rajasthan.

BENEFITS

• Battery storage initiatives will strengthen India’s credentials as a green energy champion at the UN Climate Change Conference (COP-26).
• Such storages can help supply clean electricity for electric vehicles in the country.

 (GS Paper-3/ Economy/ Green Energy)

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