India may be on the cusp of an 'energy storage revolution', study says

India's first battery energy storage system (BESS) project opens in 2019


The cumulative installed capacity of renewable energy generation facilities in India has exceeded 150GW. However, in order to achieve its 2030 target without compromising the operational stability or power quality of the supply grid, the Central Electricity Authority of India expects to need to deploy 27GW/108GWh of battery storage systems and about 10.1GW of pumped hydro storage (PHES) generation facilities.


India is currently conducting two tenders, one from Solar Energy Corporation of India (SECI) and another from India’s state-owned power group NTPC, to add 1GW/4GWh of energy storage to the Indian grid. These storage systems could also pave the way for a new wave of deployments, such as a stand-alone battery storage system tendered by the Solar Energy Corporation of India (SECI) designated as a pilot project.


“India is currently on the cusp of an energy storage revolution,” said Vibhuti Garg, energy economist at the Institute of Energy Economics and Financial Analysis (IEEFA) of India. Large-scale deployment of energy storage systems is essential for the ever-increasing variable wind and solar power generation.”


Garg noted that the recent power crisis has highlighted the need to invest in energy storage systems and renewable energy, which can help reduce reliance on coal-fired power plants, while economists agree that fossil fuel power generation is increasingly uneconomical and uneconomical. reliable.


Jyoti Gulia, founder of JMKResearch, said that while the two tenders are not the first in India (earlier tenders for peak power supply and all-weather renewable energy have been held in 2019 and 2020), NTPC and India The Solar Energy Corporation (SECI) tender is the first for an independently deployed energy storage system (ESS). Therefore, these two tenders can promote the rapid development of the battery energy storage market in India.


The energy storage industry in India is growing rapidly as the Indian government plans to fund 50GWh of domestic advanced chemical battery (ACC) battery production as well as other projects such as new guidelines for the procurement and use of energy storage for power batteries.


The Indian energy storage industry has made tremendous progress in the past few years. However, Dr. Rahul Walawalkar, founder and president of the Indian Energy Storage Alliance (IESA) and head of custom energy solutions at consultancy, said in a recent webinar hosted by industry media that it will take almost 10 years to achieve this.


"India's energy policy framework has changed over the past 10 years," Walkarar said. "This work started in 2013 with the creation of a large-scale renewable energy grid connection task force at the Ministry of Electricity. At the time, we expected that by 2030, Deploy 20-30GW of renewable energy power generation facilities.”


Prime Minister Narendra Modi sharply raised his target for deploying renewable energy in 2014, setting a target of deploying 100GW of solar power by 2020 through the National Solar Mission. Since then, India’s renewable energy sector has grown rapidly, and in 2018 it launched its energy storage strategy.


India could become one of the top three energy storage markets in the world over the next decade, Walawalkar said, with the Energy Storage Alliance of India (IESA) recently releasing a VISION2030 study on how the country could achieve this.


He noted that India still has a lot of work to do, but the tender by NTPC and Solar Energy Corporation of India (SECI) will be one of the key developments in the energy storage industry over the next 12 to 18 months.


future challenges


However, while a successful and timely tender could be transformative in the way energy storage is procured in the future, some challenges remain, according to experts from the Institute of Energy Economics and Financial Analysis (IEEFA) and JMKAnalytics.


These challenges include technical, regulatory and procurement issues, as the development of the battery energy storage market in India is in its infancy. One example of this is the NTPC tender for a storage system with a duration of 6 hours. However, the report said that battery storage systems for durations longer than 4 hours are not economically viable, and that the lead times for new pumped hydro generation facilities are too long to compete.


There is also some ambiguity in the regulation of energy storage assets. In India's electricity regulations, which have been in effect since 2003, energy storage systems are not defined as stand-alone assets.


"As a result, taxing such assets could create some regulatory hurdles, especially until battery storage policies are in place," said Akhil Thayillam, a research associate at JMK and a co-author of the report.


Another focus is the ability of energy storage systems, especially batteries, to provide many different services and benefits, from renewable energy integration and supply to applications that support grid operations.


The report uses a large existing battery storage project in the UK as a case study to demonstrate how it could work, provide revenue from multiple value streams and provide investors with a degree of certainty.


The report recommends that tender designs should be flexible and consider the potential of various business models, while also recognizing that different energy storage technologies may be suitable for different application scenarios. Special design tenders may also be required to support local manufacturing and perhaps domestic content requirements.


Walawalkar also stressed that the ancillary services market has not really opened up for battery competition, which could be a significant market opportunity for energy storage developers.


Dr. Bharath Reddy, Managing Director, Solar Energy Corporation of India (SECI), also participated in the webinar and provided more details about the company's own tenders, as well as lessons learned from various other deployments and investments made by the group .


In addition to this, market analyst Rachel Loquet from energy storage consultancy CleanHorizon provided some of the breakdowns involved in the Solar Energy Corporation of India (SECI) tender, including how revenue-generating energy storage projects can be modeled to provide investment. return.


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