KP Group, Engie India, Ultimate Flexipack Among Winners in GUVNL’s 2 GW/4 GWh BESS Auction
Gujarat Urja Vikas Nigam’s 2 GW/4 GWh BESS auction in Gujarat closed with a tariff of INR 1.85-1.89 lakh/MW/month, with Sun Drops Energia (KP Group), Engie Energy India, Samavist Energy Solutions, Mecpower Solutions, Stockwell Solar Services, Ultimate Flexipack, Solar91 Cleantech, Viviana Power, and Rajesh Power Services emerging as winners.
November 18, 2025. By Mrinmoy Dey
Sun Drops Energia (KPI Green Energy) has emerged as the L1 bidder and has secured a capacity of 400 MW. Engie Energy India has bagged 280 MW at a tariff of INR 1.87 lakh/MW/month. Samavist Energy Solutions and Mecpower Solutions have won 100 MW and 65 MW, respectively at a tariff of about INR 1.88 lakh/MW/month.
Stockwell Solar Services and Ultimate Flexipack have secured 100 MW and 450 MW, respectively, at a tariff of about INR 1.89 lakh/MW/month. Solar91 Cleantech, Viviana Power and Rajesh Power Services have won 65 MW each at the same tariff.
It’s interesting to note that only 1,665 MW out of 2,000 MW has been awarded as the tariff range exceeded L1+ 2 percent for the other bids received.
The tender was floated in July 2025.
The projects must be located in the vicinity of 12 identified substations of the STU network in Gujarat. Land must be identified by bidders themselves to interconnect BESS with the listed substations.
The projects will be eligible for support under the new VGF Scheme, in which the amount eligible for each developer will be limited to INR 18 lakh/MWh.
The BESS developer will be required to set up a BESS, 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 BESSD shall make the BESS available for 2 operational cycles per day, i.e. 2 complete charge-discharge cycles per day.
Setting up of the BESS and interconnection of the BESS with the State Transmission Network will be under the scope of the BESSD.
The BESS must be charged by drawing power from GETCO and injecting power into the GETCO network. GUVNL will provide the required power for charging BESS, considering the minimum system efficiency under the agreement.
The BESSD must guarantee a minimum system availability of 95 percent on an annual basis.
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