fly ash utilisation

India’s coal-fired power stations utilised 307 million tonnes of fly ash in 2024-25, taking the national utilisation rate to 96.34%, up from under 10% in 1996-97. The data comes from the Central Electricity Authority (CEA) report covering 189 grid-connected thermal power plants with a combined capacity of 214 GW. The aggregate figure indicates near-full utilisation. However, performance varies sharply across ownership segments and plant types. Sector-wise gaps and state-level underperformance Central sector plants recorded an…