Written by PPL Newsroom• October 3, 2026• 5:43 am• Innovation

ACME Solar adds 437 MWh of battery storage in Rajasthan, total hits 4.96 GWh

Two battery blocks in Bikaner and Chittorgarh began commercial operation on 2 October, as the company works towards a target of more than 10 GWh by FY27.

ACME Solar Holdings has commissioned 107.36 MW / 437.49 MWh of new battery energy storage capacity at two projects in Rajasthan. Both were commissioned on 30 September 2026, and their commercial operation date is 2 October 2026. The company’s total operational battery capacity now stands at 4.96 GWh.

The numbers, in plain terms

Megawatts (MW) show how much power a battery can deliver at any moment. Megawatt-hours (MWh) show how much energy it can store. The new blocks can deliver 107.36 MW and hold 437.49 MWh, which is roughly four hours of discharge at full output. That is long enough to cover an evening demand peak after solar generation fades.

Chittorgarh: ACME Sigma Urja commissioned 53.73 MW / 222.969 MWh in Phase I of its firm and dispatchable renewable energy (FDRE) project at Neemri village. This is part of a planned 250 MW / 1,069 MWh.
Bikaner: ACME Greentech Seventh added 53.63 MW / 214.52 MWh at its project in Kelan village. That takes the project’s commissioned capacity to 159.58 MW / 638.32 MWh, out of a planned 300 MW / 1,200 MWh.

ESS News reports that the Chittorgarh project has a 25-year power purchase agreement with a national renewable energy implementing agency. The Bikaner project has a similar 25-year agreement. Business Upturn reports that the Bikaner agreement is with SJVN Limited.

Batteries first, generation to follow

At Chittorgarh, only the battery part is ready. The company said the matching renewable generation component is still under development. At an earlier earnings call, management said batteries for two projects were already commissioned, with solar to follow once grid connectivity is available. The company expects to commission the rest of the storage at both sites this financial year, according to ESS News.

Where the company stands

At its first-quarter results, ACME said it had commissioned about 2.3 GWh of battery capacity in the quarter, taking its cumulative total to 3.62 GWh. Management put this at about 40% of India’s total commissioned battery capacity. That is the company’s own estimate. Trade Brains reports that ACME has ordered batteries for its entire under-construction portfolio with signed power purchase agreements, and has raised its target to more than 10 GWh of storage by FY27.

What this means for India

FDRE projects pair renewable generation with storage so that clean power can be supplied when demand is high, not only when the sun shines. This commissioning shows that kind of storage now operating at utility scale in Rajasthan, a major solar state. Because the offtake is under 25-year agreements with national agencies, the batteries are tied to long-term supply commitments. The generation side at Chittorgarh is still being built, so the full FDRE benefit will only be visible once it is connected to the grid.

What happens next

The remaining battery capacity at Neemri (about 196 MW of the planned 250 MW) and at Kelan (about 140 MW of the planned 300 MW) is due within the current financial year, according to the company’s disclosures. Whether the generation parts follow on schedule will decide how much of this storage works as firm renewable supply. Until then, the batteries can still be used and earn revenue, as the Chittorgarh block does while its solar component awaits completion.