India, Jan. 30 -- India curtailed 2.3 terawatt-hours (TWh) of solar power in 2025, despite rapidly expanding renewable capacity, as the country's power system struggled to adapt to rising daytime solar generation and weak demand growth, according to a new report by global energy think tank Ember.

The curtailment - equivalent to the annual electricity use of nearly 400,000 households - highlights a growing mismatch between India's clean energy ambitions and the flexibility of its power system, the report titled Beyond Capacity: Why India's Power System Must Get Flexible said.

Solar surplus, system stress

India added a record 38 GW of solar capacity in 2025, pushing non-fossil fuel capacity to 50 per cent of total installed power capacit...