India’s renewable energy expansion is increasingly bringing transmission, grid integration and energy storage into sharper focus. As solar and wind capacity grows across renewable-rich states, timely evacuation infrastructure will be critical to ensuring that new generation capacity can be effectively integrated into the power system.
The Union Cabinet’s approval of Green Energy Corridor Phase III (GEC-III) marks a significant expansion of this supporting infrastructure. The scheme has a total project outlay of ₹1,86,405 crore, including ₹1,36,378 crore for the development of intra-state transmission systems and ₹50,000 crore for 50 GWh of battery energy storage systems. It is designed to enable the evacuation of up to 135 GW of renewable energy across states and Union Territories.
Beyond adding transmission capacity, the initiative highlights the growing need to align renewable generation, evacuation infrastructure and storage deployment. For developers, the effectiveness and timing of this coordination could increasingly influence project commissioning, asset utilisation and investment certainty.
Sharing his perspective on the implications of Green Energy Corridor Phase III, Harpreet Singh, CEO, SunBridge Solar, said:
“India’s renewable-energy transition is entering an execution phase, and transmission infrastructure will be one of the critical enablers of this next stage of growth. The approval of Green Energy Corridor Phase III, with an investment of ₹1.36 lakh crore in intra-state transmission infrastructure, is therefore a significant development for the renewable-energy sector.
As India continues to add large volumes of renewable generation, the availability of timely and reliable evacuation infrastructure is becoming as important as generation capacity itself. Transmission constraints can affect project commissioning schedules, asset utilization, and ultimately, the pace at which renewable power can be integrated into the grid. For developers, greater visibility and long-term planning of transmission capacity can significantly improve project development, investment decisions and execution certainty, particularly in renewable-rich states. The inclusion of battery energy storage is also an important step, as storage can provide greater flexibility in managing renewable intermittency, balancing supply and demand, and improving utilization of the transmission network.
The next priority should be closer synchronization between generation, transmission and storage planning. Transmission capacity needs to be planned and commissioned in line with the development timelines of renewable projects, with clear coordination among developers, transmission utilities, system operators and state agencies. India has already established a strong renewable-energy pipeline. The challenge now is to convert that pipeline into reliable, operational and grid-integrated capacity at scale. Predictability in connectivity, timely execution of transmission infrastructure and effective coordination across stakeholders will be critical to achieving this.
A stronger and better-coordinated transmission network will not only accelerate renewable-energy deployment but also strengthen investor confidence and enable India to integrate increasingly larger volumes of clean energy while maintaining grid reliability. The next phase of India’s energy transition will be defined not merely by how much renewable capacity we add, but by how effectively we connect, store, transmit and deliver that energy.”
Green Energy Corridor Phase III therefore comes at an important stage in India’s renewable energy journey, where the focus is shifting from capacity addition alone towards the effective integration and delivery of clean electricity. Its impact will ultimately depend on how closely transmission development, renewable project timelines and storage deployment are coordinated on the ground.
By: Harpreet Singh, CEO, SunBridge Solar
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