NEW DELHI, July 19 -- The government's latest tender for grid-scale energy storage shows many key changes from its 2021 version, including easier entry requirements, a shift from energy density to battery efficiency, and lower subsidies per kilowatt-hour (KWh).

The new 10 GWh tender, the final part of the larger 50 GWh initiative under the Rs.18,100-crore production-linked incentive (PLI) scheme for advanced chemistry cells (ACC), was floated on 15 July and marks a shift in policy priorities, according to tender documents reviewed by Mint.

The tender will close on 13 October, and bids will be opened on 14 October, according to the ministry of heavy industries (MHI), which administers the PLI scheme. A pre-bid conference will be held on ...