Standalone energy storage system (ESS) tenders by Solar Energy Corp. of India (SECI) and NTPC could drive the growth of the entire Indian ESS market. Successful and timely execution of these projects will boost investments and spur domestic manufacturing in this segment, according to a new report by the Institute for Energy Economics and Financial Analysis (IEEFA) and JMK Research & Analytics.
“India is on the cusp of a potential energy storage revolution,” said IEEFA researcher Vibhuti Garg. “Large-scale deployment of storage will be critical to firm increasing amounts of variable wind and solar as India scales up renewable energy capacity to meet its target of 500 GW of non-fossil fuel energy by 2030.”
The Central Electricity Authority of India predicts that India will need 27 GW/108 GWh of grid-scale BESS and about 10.1 GW of pumped hydro storage to meet its non-fossil fuel energy goals by 2030.
“India has to rapidly deploy energy storage to meet its renewable energy goals, and a time-based target in the upcoming National Energy Storage policy would be a major driver of the ESS industry’s growth,” said Garg.
SECI has described its tender as a pilot project.
“The learnings from these tenders in bidding and execution will contribute to future ESS tender designs by central tendering authorities, such as NTPC and SECI,” said Jyoti Gulia, the founder of JMK Research.
The report states that the two tenders indicate the scale expected in future ESS tenders. Anticipating huge demand, domestic manufacturing capacities could surge for major components such as batteries and battery inverters, as well as ancillary supply chain infrastructure such as electrolytes, casings, and separators.
Similarly, the tenders will also help to create new business models such as capacity markets, with developers supplying power at scheduled times. While investors in India are unsure of standalone ESS, successful and timely execution of NTPC and SECI tender projects could help to demonstrate the technological and financial viability of the new technology.
The report also notes that the two tenders from NTPC and SECI will likely face challenges related to technical matters, procurement issues, and regulations.
“For example, the NTPC tender requires a six-hour ESS solution. While BESS are not a viable option beyond a four-hour solution, pumped hydro storage (PHS) solutions have a significantly larger lead time than the project commissioning timeline,” said Prabhakar Sharma, a senior research associate at JMK Research.
There are a number of regulatory issues that the tenders will need to overcome.
“The Indian Electricity Act 2003 does not consider energy storage as a standalone asset. Thus, taxation of such assets might create a few regulatory hurdles, especially until the formulation of a national ESS policy,” said Akhil Thayillam, a senior research associate for JMK Research.
The report recommends policy support from the government and flexible tender designs by the authorities to drive the organic development of the domestic sector.
“It is the government’s responsibility to facilitate discussions/dialogues between various stakeholders in the ESS industry. This aids in formulating effective policy design and overcoming other challenges associated with emerging technology like ESS,” said Gulia.
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