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Environment & Climate

Grid bottlenecks cause India to waste renewable power despite rapid expansion

India has reached 300GW of clean energy capacity, but transmission bottlenecks cause substantial power waste, BBC News reports.

Updated Sep 23, 2026 · 00:14 UTC1 reports

The short version

  • India has expanded its renewable energy capacity to 300GW, representing 54% of its total capacity.[BBC News]
  • A quarter of inter-state power line developments face delays exceeding a year, causing about 300 gigawatt-hours of clean electricity to be curtailed in the first quarter of 2026 alone.[BBC News]
  • Analysts at Ember view the disparity between fast power generation and slower line construction as the top operational threat to India's 2030 target of 500GW.[BBC News]
  • Meeting the 2030 goal is estimated to cost between $400 billion and $500 billion, with domestic sources currently funding the vast majority of climate mitigation.[BBC News]

Key facts

  • Renewable sources briefly supplied more than half of India's peak electricity demand on a July afternoon.[BBC News]
  • India's renewable energy capacity stands at 300GW, representing 54% of total power capacity.[BBC News]
  • Transmission bottlenecks caused approximately 300 gigawatt-hours of clean power curtailment in the first quarter of 2026, according to Ember.[BBC News]
  • One out of every four inter-state transmission projects experiences a delay of more than twelve months.[BBC News]
  • India added a record 51GW of capacity last year, according to energy analyst Vibhuti Garg.[BBC News]
  • Achieving India's 2030 target of 500GW of non-fossil capacity is estimated to require $400 billion to $500 billion.[BBC News]
  • The International Energy Agency projects an 80% surge in India's electricity demand by 2035.[BBC News]

What remains uncertain

  • Whether India can secure the estimated $400 billion to $500 billion required to reach its 2030 goal while relying on domestic sources for about 83% of climate mitigation funding.[BBC News]
  • Whether transmission construction can accelerate quickly enough to reduce the mismatch that analysts identify as the top operational risk to the 2030 non-fossil energy target.[BBC News]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.