| Thermal & Hydro | Coal/gas based thermal generation, hydropower generation, pumping storage units. | Established capacity, fuel integration through coal mines, operational expertise, government partnerships. | State utilities, industrial consumers, power traders (B2B). | Supercritical plants, hydro power units with concessional tariffs. | 19739 | 30 | Power sale contracts, merchant power sales, ancillary services. | Long-term PPAs, merchant market pricing, regulated tariffs. | Regulatory reforms, efficiency improvements, stable power demand. | Mundra Supercritical Plant, Trombay Thermal Plant, Maithon Power Limited, Bhira Pumped Storage |
| Renewables | Solar PV, wind farms, hybrid renewable projects, rooftop solar installations, solar EPC services, solar cell & module manufacturing. | Large integrated solar manufacturing, vertically integrated renewables, technology adoption, scale and brand. | Utilities, third party consumers, commercial & residential customers, government bodies. | Solar module manufacturing, rooftop solar installations, project EPC services. | 9876 | 15 | Sale of generated renewable power, solar EPC contracts, rooftop solar sales and installations. | Feed-in tariffs, power purchase agreements, project contracts, retail sales. | Policy support for renewables, declining costs, technology advancements, EPC order book growth. | Tata Power Renewable Energy Ltd, Tata Power Solar Systems Ltd, Rooftop Solar Solutions |
| Transmission and Distribution | Electricity transmission and distribution services, smart metering, power trading, consumer energy solutions. | Exclusive distribution rights, extensive network, regulatory approval, smart grid investments. | Urban and rural residential and commercial consumers, state utilities and governments. | Regulated distribution businesses with stable return frameworks. | 39120 | 53 | Tariffs regulated by government, power distribution franchise fees, and consumer billing. | Regulated tariff frameworks, distribution franchise agreements. | Urbanization, smart metering rollout, government franchise grants, digitization, consumer base expansion. | Tata Power Delhi Distribution Limited, TP Central Odisha Distribution Limited, TP Mumbai Distribution |
| Others | Power trading and support services, coal mining investments, engineering construction services. | Expertise in power markets, strategic coal assets, engineering prowess. | Power producers, state utilities, industry sectors, government contracts. | Project execution and trading services. | 431 | 2 | Trading margins, service contracts, dividends, and project execution fees. | Transaction based, project fee, dividends. | Market volatility, infrastructure demand, increased industry outsourcing. | Power Trading Company, Tata Projects Limited (23% stake) |
