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India's Solar Surge: How It Overtook Japan and Is Reinventing Its Grid

India's clean energy push is hitting major milestones, including overtaking Japan to become the world's third-largest solar power generator. A key to this growth is the expansive Green Energy Corridor, which physically connects renewable energy sources to the national grid across eight states. The country is now integrating advanced technologies like AI and energy storage to manage the intermittent nature of solar and wind power. This whole effort is transforming the traditional grid into a more flexible, two-way system ready for a future with more electric vehicles and rooftop solar.

Key Points: India Overtakes Japan in Solar Power, Expands Green Energy Grid

  • India's non-fossil fuel capacity reached 235.7 GW by June 2025, nearing its 2030 renewable target
  • The Green Energy Corridor project connects renewable-rich states to the national grid with thousands of kilometres of lines
  • Advanced tech like AI forecasting and battery storage is being deployed to manage variable renewable power
  • The grid is evolving into a two-way network to accommodate rooftop solar and electric vehicles
2 min read

India overtakes Japan in solar, pushes for stronger grid to support clean energy boom

India becomes the world's third-largest solar generator, overtaking Japan, and is strengthening its national grid with the Green Energy Corridor to support its renewable energy boom.

"India has now become the world's third-largest solar energy generator, overtaking Japan. – Union Minister Pralhad Joshi"

New Delhi, Dec 3

India's clean energy journey is gaining strong momentum as the country moves closer to its goal of installing 500 GW of renewable energy capacity by 2030, a report has said.

By June 2025, India had already reached 235.7 GW of non-fossil fuel capacity, including 226.9 GW from renewable sources and 8.8 GW from nuclear power, as per Times Kuwait report.

This rapid growth highlights India's push for sustainability, energy security, and global leadership in clean energy.

Union Minister for New and Renewable Energy Pralhad Joshi recently said that India has now become the world's third-largest solar energy generator, overtaking Japan.

But while producing clean power is crucial, it is equally important to move that energy reliably across the country.

For that, India's expanding grid network has become the backbone of the energy transition.

A key part of this effort is the Green Energy Corridor (GEC), launched in 2015-16 to connect renewable energy -- whether solar, wind, hydro or tidal -- to the national grid.

The project spans eight renewable-rich states, including Tamil Nadu, Gujarat, Rajasthan, Karnataka, Andhra Pradesh, Madhya Pradesh, Maharashtra and Himachal Pradesh.

Power Grid Corporation of India Limited manages the inter-state networks, while state utilities handle the lines within the states.

The first phase of the corridor created about 9,700 circuit kilometres of transmission lines and built substations with a capacity of 22,600 MVA.

The project received funding worth Rs 10,041 crore from central support, state contributions, and international partners such as Germany.

This network helps absorb and transmit around 20 GW of renewable energy, making India's grid stronger and more efficient, the report stated.

As renewable energy grows, the grid must deal with power that changes based on sunlight, wind or seasons.

To handle this, India is adopting advanced technologies such as flexible AC transmission systems, smart substations, and high-capacity transformers.

Forecasting tools powered by artificial intelligence and real-time sensors help grid operators balance supply and demand throughout the day.

Energy storage has also become essential. Battery systems and pumped hydro storage ensure that extra power can be stored and used later when demand rises.

With more electric vehicles, rooftop solar panels and small-scale energy producers joining the system, the grid is becoming two-way, where consumers can also feed electricity back into the network.

- IANS

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Reader Comments

P
Priya S
Great progress! But as a consumer in a tier-2 city, I haven't seen much improvement in grid stability. We still face frequent power cuts. Hope the investment in smart grids and forecasting tools actually translates to reliable 24/7 power for the common citizen soon.
V
Vikram M
Proud moment for India. The collaboration with Germany is also a positive sign. However, we must develop our own storage technology and not become dependent on imports for batteries. Atmanirbhar Bharat should apply to the green energy sector too.
S
Sarah B
As someone working in the sustainability sector, this is very encouraging. The scale of India's transition is massive. The two-way grid concept for EVs and rooftop solar is the future. Hope the policies keep up to encourage more people to become prosumers.
R
Rohit P
Good job! But what about the cost? 10,000+ crore is a lot of public money. We need complete transparency on how it's spent and the actual reduction in electricity tariffs for the public. Solar power should mean cheaper bills, not just big numbers in reports.
K
Kavya N
This is the right direction for energy security and fighting pollution. 👏 My only request is to please speed up the approvals and subsidies for residential rooftop solar. The process is still too slow and complicated in many states.

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