| Generation of energy | Coal-based thermal power generation, hydroelectric power, solar and wind power generation | Long-term fuel supply agreements, government backing, operational scale, technological expertise | State and central utilities, industrial customers—primarily B2B bulk power buyers | Renewable power and consultancy services | 170482 | 94 | Sale of electricity through long-term power purchase agreements and spot market trading | Tariff-based, regulated returns with long-term contracts, supplemented by market trading | Rising power demand, government's renewable energy push, operational efficiency improvements | NTPC Thermal Stations, NTPC Hydro Operations, NTPC Renewable Energy |
| Others | Electricity trading, coal mining, consultancy and project management services, energy efficiency solutions | Integrated operations, experienced team, diversified joint ventures and subsidiaries | Power utilities, government agencies, industrial clients, international partners; B2B focus | Consultancy and trading services | 15064 | 6 | Trading commissions, mining revenue, consultancy fees, project management contracts | Service and trading fees, contract-based revenues | Emerging energy services, expanding coal mining operations, increasing consultancy demand | NTPC Vidyut Vyapar Nigam (Power Trading), NTPC Mining Limited, NTPC Consultancy |
