Image: Sushmita Balasubramani, Wikimedia Commons
RRVUNL has completed its tender for a 500 MW/2000 MWh standalone battery energy storage system at a price of INR 285,000 per MW per month, the lowest yet in the country for a single four-hour cycle system.
“The four-hour single-cycle tariff is now almost equal to the two-hour L1 tariff without viability gap, fixed in the GUVNL tender. What started at INR 444,000/MW per month fell to INR 359,000/MW per month in SJVN’s Uttar Pradesh tender and has now reached INR 285,000/MW per month – a significant drop. In comparison, solar plus four hours of BESS currently costs INR 2.87/kWh,” said Debmalya Sen, president of the India Energy Storage Alliance (IESA).
Patanjali Ayurved secured 250 MW/1 GWh. Ultravibrant Solar Energy, Rama Reflection India, MEC Power Solutions, Bhagwati Lacto Vegetarian Exports and Diwakar Renewable and Infra each provided 50 MW/200 MWh.
RRVUNL plans to use the storage systems on demand to meet the state’s peak and off-peak hours.
The utility will enter into a battery energy storage purchase agreement with the selected bidders for energy storage services. The selected developers will set up the systems on a build-own-operate basis.
Awarded projects are eligible for central financial support in the form of financing through the Power System Development Fund of the Ministry of Energy.
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