Home › Energy Storage ›Solarworld Energy Solutions and HG Infra Engineering Win GUVNL’s 500 MW/1,000 MWh BESS Auction
Solarworld Energy Solutions and HG Infra Engineering Win GUVNL’s 500 MW/1,000 MWh BESS Auction
Gujarat Urja Vikas Nigam’s (GUVNL) 500 MW/1,000 MWh standalone BESS auction has discovered a record-low L1 tariff of INR 2.80 lakh/MW/month, about 25 percent lower than its previous low of INR 3.72 lakh/MW/month for projects without VGF. Solarworld Energy Solutions and H.G. Infra Engineering emerged as winners.
April 22, 2025. By Mrinmoy Dey

Gujarat Urja Vikas Nigam’s (GUVNL) 500 MW/1,000 MWh standalone battery energy storage systems (BESS) auction has attracted an L1 (lowest bid) tariff of INR 2.80 lakh/MW/month. This is about 25 percent lower than its last discovered L1 of INR 3.72 lakh/MW/month (without VGF).
Solarworld Energy Solutions Ltd. has won 200 MW at the L1 tariff of INR 2.80 lakh/MWh/month. And, H.G. Infra Engineering Ltd. has secured 300 MW out of the quoted 500 MW at a tariff of INR 2.85 lakh/MW/month, under the bucket-filling method.
The tender for this was floated in January 2025.
The projects are not eligible for Viability Gap Funding (VGF) support.
The total capacity of 500 MW/1000 MWh will be set up at any location in Gujarat, connected with Intra State Transmission System (In-STS) and the land shall be identified by the bidders themselves.
The BESS shall be charged by drawing power from GETCO and injecting power to GETCO network in accordance with the dispatch instructions issued by SLDC in consultation with GUVNL. GUVNL will provide the required power for charging BESS considering the minimum system efficiency under the agreement.
The BESS developers (BESSD) must make the BESS available for 2 operational cycles per day, i.e. 2 complete charge-discharge cycles per day. The BESSD must guarantee a minimum system availability of 95 percent on an annual basis. The BESSD must guarantee AC to AC roundtrip efficiency (RtE) of 85 percent system on a monthly basis.
Solarworld Energy Solutions Ltd. has won 200 MW at the L1 tariff of INR 2.80 lakh/MWh/month. And, H.G. Infra Engineering Ltd. has secured 300 MW out of the quoted 500 MW at a tariff of INR 2.85 lakh/MW/month, under the bucket-filling method.
The tender for this was floated in January 2025.
The projects are not eligible for Viability Gap Funding (VGF) support.
The total capacity of 500 MW/1000 MWh will be set up at any location in Gujarat, connected with Intra State Transmission System (In-STS) and the land shall be identified by the bidders themselves.
The BESS shall be charged by drawing power from GETCO and injecting power to GETCO network in accordance with the dispatch instructions issued by SLDC in consultation with GUVNL. GUVNL will provide the required power for charging BESS considering the minimum system efficiency under the agreement.
The BESS developers (BESSD) must make the BESS available for 2 operational cycles per day, i.e. 2 complete charge-discharge cycles per day. The BESSD must guarantee a minimum system availability of 95 percent on an annual basis. The BESSD must guarantee AC to AC roundtrip efficiency (RtE) of 85 percent system on a monthly basis.
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