Corporate India’s Shift to Energy Self-Reliance: The Role of Solar Parks with Battery Storage

By Shreyas Gowda – Senior VP Sales & Operations,  Oorjan Cleantech: India is undergoing a significant transformation in its energy sector, with corporate India leading the charge toward energy self-reliance. This shift is characterized by a robust adoption of solar energy, complemented by the integration of battery energy storage systems (BESS).

These initiatives not only contribute to national sustainability goals but also offer companies enhanced energy security, cost savings, and a competitive edge in an increasingly eco-conscious market.

The Rise of Solar Energy in Corporate India

India’s commitment to renewable energy is evident in its impressive growth in solar power capacity. As of August 2025, the country’s total installed solar capacity stands at 116.24 GW, a significant increase from 2.82 GW in 2014. Solar energy now accounts for 48% of India’s total renewable energy capacity

Corporate giants are at the forefront of this transformation. Reliance Industries, for instance, is set to launch a solar cell manufacturing facility in Jamnagar, Gujarat, in the third quarter of 2025. The company plans to scale up its solar module capacity to 20 GW per year, aligning with India’s renewable energy targets

Similarly, Tata Power Renewable Energy Limited has secured a 120 MWh Battery Energy Storage Purchase Agreement (BESPA) with NHPC Limited for the Kerala State Electricity Board. This project aims to enhance grid stability and support Kerala’s energy transition goals

The Strategic Importance of Battery Storage

While solar energy generation has seen exponential growth, the intermittent nature of solar power necessitates reliable storage solutions. As of March 31, 2025, India had installed approximately 204.5 MW (505.6 MWh) of BESS capacity.

However, to meet the ambitious target of 500 GW of renewable energy capacity by 2030, the country will require an estimated 61 GW of storage capacity.

Corporate investments in battery storage are crucial to bridging this gap. For example, Jindal Group secured 990 MW of co-located solar and BESS capacity, while NTPC and ReNew each won 900 MW in the same category.

Policy Support and Market Dynamics

The Indian government’s proactive policies have been instrumental in fostering the growth of solar energy and battery storage sectors.

The introduction of viability gap funding (VGF) for energy storage systems has made projects more financially viable, with tariffs approximately 40% lower than non-VGF projects for two-hour storage durations

Additionally, states like Gujarat are leading the way in renewable energy adoption. As of August 2025, Gujarat’s total installed renewable energy capacity stands at 39,275.7 MW, following the addition of 6,632 MW between April and August 2025.

The Road Ahead: Challenges and Opportunities

Despite the progress, several challenges remain. The battery energy storage sector faces issues such as project cancellations, supply-chain constraints, and delays in power purchase agreements, which hinder the rapid deployment of storage solutions.

However, these challenges also present opportunities for innovation and growth. Companies are increasingly investing in research and development to overcome technological and supply-chain barriers.

For example, Solex Energy plans to invest approximately $1 billion by 2030 to expand its manufacturing capacity and venture into solar cell production, aligning with India’s goal to add 500 GW of clean energy capacity by 2030.

Conclusion

Corporate India’s shift towards energy self-reliance, through the adoption of solar parks integrated with battery storage systems, is a testament to the country’s commitment to sustainable development.

While challenges persist, the concerted efforts of the corporate sector, supported by favorable policies and technological advancements, are paving the way for a resilient and self-sufficient energy future.

As India continues on this path, it not only advances its own energy security but also sets a benchmark for other nations striving for a green and sustainable future.

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