Gujarat Urja Vikas Nigam Ltd (GUVNL) has concluded its 250 MW/500 MWh standalone battery energy storage tender at a tariff of INR 4.49 lakh (around $5,429)/MW/month—58% lower than INR 10.8 lakh/MW/month tariff discovered in SECI’s 500 MW/1000 MWh auction in 2022.
Gensol won 70 MW by quoting the lowest bid of INR 448,996/MW/month. IndiGrid secured the balance 180 MW at INR 449,996/MW/month.
The winners will install battery energy storage systems totaling a capacity of 500 MWh (250 MW x 2 hrs) in Gujarat, with the primary objective of making the energy storage facility available to GUVNL for charging/discharging of the BESS on an “on demand” basis. The projects are to developed on a build-own-operate (BOO) model.
GUVNL shall enter into a battery energy storage purchase agreement with the successful bidders.
The BESS shall be charged by drawing power from GETCO and inject power into the GETCO network per the dispatch instructions issued by SLDC in consultation with GUVNL. GUVNL will provide the required power for charging the BESS considering the minimum system efficiency under the agreement.
The developers will make the BESS available for two operational cycles per day, i.e., two complete charge-discharge cycles per day.
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