Battery Vision 2047 May Boost Storage as Renewable Capacity Reaches 178.88 GW

India may roll out incentives under Battery Vision 2047 to support technologies that can store clean power for longer hours.

The proposed framework is expected by FY28 and may include viability gap funding (VGF) and interest subvention. The aim is to make long-duration energy storage commercially viable as India’s renewable capacity grows faster than its storage infrastructure.

What Is Battery Vision 2047?

Battery Vision 2047 is part of India’s plan to build a stronger energy storage ecosystem.

The proposed scheme is being worked on by the Ministry of Power and the Ministry of Heavy Industries. It is expected to support systems that can store solar and wind power and release it when generation is low.

Why Does India Need Long-Duration Energy Storage? 

India has added 178.88 GW of renewable capacity over the past five years. Clean energy now makes up 51.5% of the country’s total installed power capacity.

However, solar and wind power are not available evenly throughout the day. Solar output drops at night, while wind generation can vary with weather conditions.

Long-duration energy storage can help manage this gap by storing excess power and supplying it when demand rises.

How Is Long-Duration Storage Different From Regular Battery Storage?

Regular battery energy storage systems (BESS) usually provide backup for 1 to 4 hours.

Long-duration energy storage (LDES) can supply electricity for 8 hours or more, making it useful for grid stability and renewable integration.

Storage Type	Backup Duration	Main Use
BESS	1–4 hours	Short-term grid support
LDES	8+ hours	Longer renewable backup

What Incentives Could Be Offered?

The government is considering financial support to reduce early project costs and improve adoption.

Possible measures include:

• Viability gap funding
• Interest subvention
• Pilot projects under different grid conditions
• Storage targets under the National Electricity Plan
• Technology-neutral definition for LDES

These steps could help newer technologies move from the pilot stage to commercial deployment.

How Big Is India’s Storage Gap?

The Central Electricity Authority’s National Electricity Plan 2023 estimates that India may need around 47 GWh of battery storage capacity by FY27.

So far, only 795 MWh has been installed, largely in short-duration systems. This shows why policy support is being considered.

Indicator	Value
Renewable capacity added in five years	178.88 GW
Clean energy share in installed capacity	51.5%
Storage needed by FY27	47 GWh
Installed capacity so far	795 MWh
LDES supply duration	8+ hours

Which Technologies May Be Included?

Long-duration storage is not limited to lithium-ion batteries.

It can include:

• Pumped hydro storage
• Flow batteries
• Compressed air energy storage
• Thermal storage systems

These options are still costlier and less mature than lithium-ion systems, so policy initiatives may help improve commercial viability. 

Final Outlook

Battery Vision 2047 could become an important policy step for India’s clean energy transition. 

The next things to watch are the FY28 rollout timeline, VGF structure, eligible technologies, pilot projects, and storage targets under the National Electricity Plan.

Source: moneycontrol.com

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