Battery storage TN closer to reality, as three firms bag tender for 1000MWh systems
battery energy storage system
. Bondada Engineering Ltd won the bid to set up a 400 MWh battery system, while Oriana Power will set up a 100 MWh battery system.
These companies can store 1 lakh million units of electricity to release it in two cycles when the power demand peaks. TNGECL MD Aneesh Sekhar said that the winning bidders should connect the fully developed battery systems to the grid in 18 months.
NLC India Limited (NLCIL) said that their project involves the development of three standalone
battery storage systems
with a combined capacity of 250 MW / 500 MWh. These systems will be established at the 400/230/110 kV substations in Ottapidaram, Anuppankulam, and Kayathar, all located in the state.
The battery energy storage systems will be implemented under the Build-Own-Operate (BOO) model and were awarded through a tariff-based competitive bidding process as part of the state component of the Viability Gap Funding (VGF) scheme.
Tamil Nadu has an installed capacity of nearly 19,000 MW of wind and solar energy, making battery storage a viable option. TNPDCL officials said the battery storage system will help store excess renewable energy during off-peak hours and discharge when the power demand peaks. This will reduce grid instability, prevent blackouts, and enhance the efficiency of Tamil Nadu's clean energy network, said an official. TNPDCL will procure energy storage services from NIRL through a long-term Battery Energy Storage Purchase Agreement (BESPA) for a period of 12 years.
NLC India Limited earlier commissioned an 8 MWh BESS integrated with a 20 MW solar project in the Andaman Islands. That project played a key role in reducing diesel consumption and improving power reliability in the region, the firm said.
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