Rajasthan DISCOMs Float Tenders for 172 MW/688 MWh Pilot Standalone BESS Projects
Jodhpur Vidyut Vitran Nigam (JdVVNL), Jaipur Vidyut Vitran Nigam (JVVNL) and Ajmer Vidyut Vitran Nigam (AVVNL) have floated tenders to develop standalone pilot Battery Energy Storage System projects of 150 MW/600 MWh, 12 MW/48 MWh and 10 MW/40 MWh, respectively, across Rajasthan. Bid submission ends on August 12, 2026.
July 18, 2026. By Mrinmoy Dey
The highest capacity among the three – 150 MW/600 MWh comprising individual BESS projects of 1 MW/4 MWh capacity – has been tendered by Jodhpur Vidyut Vitran Nigam (JdVVNL) through 12 packages. Jaipur Vidyut Vitran Nigam (JVVNL) and Ajmer Vidyut Vitran Nigam (AVVNL) have tendered 12 MW/48 MWh and 10 MW/40 MWh, respectively.
The projects must be developed on a build, own, and operate (BOO) model and must be connected at identified 33/11 kV grid substations under the respective DISCOMs.
Bidders must also provide comprehensive operation and maintenance (O&M) for 15 years.
Bidders must pay INR 11,800 for each of the tender documents, in addition to processing fees of INR 2,950. Further, bidders must furnish INR 2.1 lakh/MWh as an earnest money deposit (EMD). Selected bidders must deposit INR 5.25 lakh/MWh as a performance bank guarantee (PBG).
The last date for submission of bids is August 12, 2026. The techno-commercial bids will be opened on August 14, 2026.
For the JdVVNL tender, the bidders can participate in a minimum of 1 package and a maximum of 3 packages. In the AVVNL tender, they can bid for a minimum of 1 project (1 MW/4 MWh) and a maximum of 5 projects (5 MW/20 MWh). For the JVVNL tender, the minimum and maximum bid quantities will be 1 and 6 projects, respectively.
The BESS must be configured for a 4-hour discharge duration and be capable of a minimum of one and up to two charge-discharge cycles per day. The Battery Energy Storage System Developers (BEESD) may limit the BESS to a minimum 90 percent Depth-Of-Discharge (DoD) to leave a safe reserve buffer to prevent damage.
The BESSD shall be responsible for charging the BESS, provided the Discoms shall notify/schedule the energy for charging the BESS from time to time. Any forecasting, scheduling, and other related matters shall be controlled by the respective Discoms, and BESSD shall not be responsible for the same.
Further, during the BESS operating cycle for at least 6,300 cycles (i.e, 420 cycles annually) over the contract period of 15 Years, respective Discoms shall provide the BESS Charging Energy ‘free of cost’ to the BESSD.
The developer shall guarantee a minimum AC-to-AC round-trip efficiency (RtE) of 85 percent for the system on a monthly basis. The BESSD must guarantee a system availability of 95 percent on an annual basis.
Partial commissioning of the individual awarded project is not allowed. However, successful bidders are allowed to perform partial commissioning of their awarded projects.
At least twenty percent of the total system cost/value of the BESS, including equipment, components, and associated systems, shall preferably be sourced from domestic manufacturers in India in accordance with the ‘Make in India’ policy.
The net worth of the bidder must be at least 20 percent of the estimated capital cost of the project for the financial year in which the bid is issued.
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