Discuss how transmission and energy storage are central to India achieving its 500 GW non-fossil target by 2030.

By July 2026, India had installed 300.50 GW of non-fossil capacity [2], more than 60% of its 500 GW target for 2030 [1]. What remains is less about building plants. It is about carrying their power to consumers and supplying it around the clock. Transmission and storage now decide whether the target is met.

Transmission: moving power from resource to demand

• Location mismatch: solar and wind potential is concentrated in a few States such as Rajasthan, Gujarat, Karnataka and Tamil Nadu, while demand is spread across the country. Inter-state lines are therefore essential.
• Planned network: the Ministry of Power's transmission plan to integrate over 500 GW of renewables by 2030 is estimated to cost Rs 2.44 lakh crore [3].
• Lines within States: Green Energy Corridor Phase-III (approved 2026) provides Rs 1.86 lakh crore to evacuate up to 135 GW of renewable power [4].
• Curtailment risk: when plants are commissioned before their lines, they are switched off during peak solar hours. Developers lose revenue and their loans become riskier.

Energy storage: turning variable power into firm power

• Intermittency: solar output falls to zero just as the evening peak begins. Storage shifts surplus midday power to the evening.
• Viability Gap Funding (VGF) for battery storage: the Centre funds up to 40% of capital cost, targeting 4,000 MWh by 2030-31 [5]. GEC-III adds another 50 GWh of batteries [4].
• Grid stability: batteries and pumped hydro balance frequency and reduce reliance on coal plants for backup.

Investment signal and challenges

• In November 2026, investors made preliminary commitments of $400 billion that explicitly include transmission and storage [6]. This shows they see the grid, not generation, as the bottleneck.
• Challenges: transmission lines take longer to build than solar parks; right-of-way and land disputes cause delays; DISCOM finances are weak; and battery cells are largely imported.

Generation capacity alone does not decarbonise the grid. Transmission carries the power and storage makes it reliable. Lines should be planned before renewable parks are auctioned, battery storage should be bundled into tenders, and domestic cell manufacturing should be built up. Together these would turn 500 GW from installed capacity into delivered power, advancing SDG-7 and India's Panchamrit pledges.