GUVNL Floats Tender for 450 MW/900 MWh Standalone BESS Projects in Gujarat
Gujarat Urja Vikas Nigam has floated a tender for setting up 450 MW/900 MWh of standalone battery energy storage systems across 10 substations in Gujarat. Bid submission ends on July 13, 2026.
June 24, 2026. By Mrinmoy Dey
The capacity of BESS projects will be 150 MW at Choraniya AIS substation, 125 MW at Virpore AIS, 70 MW at Veloda AIS and 60 MW each at Moti Gop, Motipaneli, Otha, Sagapara, Visavadar, Savarkundla and Dhrangadhra substations.
The BESSD must 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.
Projects will be eligible for viability gap funding (VGF) support at INR 18 lakh/MWh.
Bidders must pay INR 29,500 as a tender document cost and INR 15 lakh (plus GST) as a processing fee. Further, they need to furnish INR 5 lakh/MW as an earnest money deposit (EMD). Selected bidders must deposit INR 12.50 lakh/MW.
The last date for submission of bids is July 13, 2026. The techno-commercial bids will be opened on July 17, 2026.
The minimum bid size must be 65 MW/130 MWh, i.e., the size of one project. Bidders can bid for one or multiple projects in a single bid.
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 inject 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 the BESS.
BESSD must ensure that the BESS can charge and discharge with a C-rate of 0.5. Additionally, the BESS must be capable of being charged or discharged in groups ranging from 50 MW/100 MWh to 100 MW/200 MWh, up to the total rated capacity specified in the Agreement.
The BESSD must guarantee a minimum system availability of 95 percent on an annual basis. The BESSD must guarantee AC to AC round-trip efficiency (RtE) of 85 percent on a monthly basis.
The applicable software for the Energy Management System (EMS) of the BESS project capacity shall be developed indigenously within India. The BESSD is responsible for ensuring that the BESS installed is of requisite quality as per best industrial practices and refurbished battery cells are not used in the project.
BESSD must ensure a minimum local content of 20 percent of the total project cost in BESS procurements under the VGF Scheme. This minimum local content requirement shall include the indigenously developed EMS application software.
GUVNL shall enter into a Battery Energy Storage Purchase Agreement (BESPA) with the winning bidders for a period of 12 years.
For technical eligibility, bidders must have experience in at least one of the following areas: transmission line projects between 66 kV and 765 kV or substation projects within the same voltage range, with a cumulative project cost of at least INR 100 crore; conventional power projects such as coal, gas, diesel or nuclear plants with a minimum commissioned capacity of 1 MW to qualify for bidding 10 MW/20 MWh of BESS capacity; renewable energy projects with at least 1 MW of commissioned capacity to qualify for the same BESS capacity; or standalone or co-located Battery Energy Storage Systems (BESS) with a minimum commissioned storage capacity of 10 MWh. Projects commissioned for either third-party supply or captive consumption will also be considered while assessing technical eligibility.
The net worth of the bidder must be at least INR 74 lakh/MW, as on the last date of the previous financial year, i.e. FY 2025-26 or as on the day at least 7 days prior to the bid submission deadline.
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