| (Rs.in Million) |
| Particulars | Mar 2025 | Mar 2024 | Mar 2023 | Mar 2022 | Mar 2021 |
| INCOME : | | | | | |
| Operating Income | 1881380.00 | 1785250.00 | 1762070.00 | 1326690.00 | 1115310.00 |
| Earning From Sale of Electrical Energy | 1859970.00 | 1765180.00 | 1739280.00 | 1311770.00 | 1110000.00 |
| Less: Cash Discount | | | | | |
| Contracts Income | | | | | |
| Transmission EPC Business | | | | | |
| Wheeling & Transmission Charges recoverable | | | | | |
| Other Operational Income | 21410.00 | 20070.00 | 22790.00 | 14920.00 | 5310.00 |
| Less: Excise Duty | 16060.00 | 15570.00 | 14340.00 | 12820.00 | 11630.00 |
| Operating Income (Net) | 1865320.00 | 1769680.00 | 1747730.00 | 1313870.00 | 1103680.00 |
| EXPENDITURE : | | | | | |
| Increase/Decrease in Stock | | | | | |
| Power Generation & Distribution Cost | 1079770.00 | 1043580.00 | 1064400.00 | 754550.00 | 615390.00 |
| Cost of power purchased | 55180.00 | 56830.00 | 53250.00 | 55850.00 | 50490.00 |
| Cost of Fuel | 1015150.00 | 983120.00 | 1006560.00 | 697530.00 | 560990.00 |
| Power Project Expenses | 2730.00 | 3050.00 | 3320.00 | 2030.00 | 4010.00 |
| Wheeling & Transmission Charges Payable | | | | | |
| Other power & fuel | 6710.00 | 580.00 | 1270.00 | -860.00 | -100.00 |
| Employee Cost | 67960.00 | 65920.00 | 65280.00 | 63100.00 | 59540.00 |
| Salaries, Wages & Bonus | 62740.00 | 60790.00 | 61630.00 | 58860.00 | 56920.00 |
| Contributions to EPF & PensionFunds | 10560.00 | 10690.00 | 9360.00 | 8760.00 | 8040.00 |
| Workmen and Staff Welfare Expenses | 9220.00 | 7940.00 | 7420.00 | 7920.00 | 6540.00 |
| Other Employees Cost | -14550.00 | -13500.00 | -13130.00 | -12450.00 | -11960.00 |
| Operating Expenses | 65310.00 | 58530.00 | 50580.00 | 41760.00 | 36380.00 |
| Cost of Elastimold , Store & Spares Consumed | 2870.00 | 2820.00 | 2520.00 | 1520.00 | 990.00 |
| Processing Charges | | | | | |
| Sub Contract Charges | | | | | |
| Repairs and Maintenance | 70730.00 | 62010.00 | 53490.00 | 44240.00 | 41430.00 |
| Other Operating Expenses | -8290.00 | -6310.00 | -5430.00 | -4000.00 | -6040.00 |
| General and Administration Expenses | 31970.00 | 31040.00 | 29990.00 | 26500.00 | 24570.00 |
| Rent , Rates & Taxes | 3120.00 | 2250.00 | 2590.00 | 1910.00 | 1480.00 |
| Insurance | 3450.00 | 4840.00 | 4730.00 | 3890.00 | 3700.00 |
| Printing and stationery | | | 70.00 | 60.00 | 60.00 |
| Professional and legal fees | 2010.00 | 1930.00 | 2400.00 | 2150.00 | 1750.00 |
| Other Administration | 23380.00 | 22020.00 | 20200.00 | 18490.00 | 17580.00 |
| Selling and Distribution Expenses | 56820.00 | 43180.00 | 27610.00 | 18160.00 | 11860.00 |
| Freight outwards | | | | 0.00 | |
| Sales Commissions and Incentives | | | | | |
| Advertisement & Sales Promotion | 56820.00 | 43180.00 | 27610.00 | 18160.00 | 11860.00 |
| Handling and Clearing Charges | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Other Selling Expenses | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Miscellaneous Expenses | 21880.00 | 28110.00 | 35270.00 | 13420.00 | 18520.00 |
| Bad debts /advances written off | | | | | |
| Provision for doubtful debts | 600.00 | 5200.00 | 1540.00 | 20.00 | 3450.00 |
| Losson disposal of fixed assets(net) | 2200.00 | 2210.00 | 1690.00 | 1080.00 | 1370.00 |
| Losson foreign exchange fluctuations | 4380.00 | | 7490.00 | | |
| Losson sale of non-trade current investments | | | | | 160.00 |
| Other Miscellaneous Expenses | 14710.00 | 20700.00 | 24560.00 | 12320.00 | 13540.00 |
| Less: Expenses Capitalised | | | | | |
| Total Expenditure | 1323710.00 | 1270340.00 | 1273140.00 | 917490.00 | 766260.00 |
| Operating Profit (Excl OI) | 541620.00 | 499330.00 | 474590.00 | 396380.00 | 337420.00 |
| Other Income | 65060.00 | 50770.00 | 19180.00 | 45720.00 | 65820.00 |
| Interest Received | 7530.00 | 11020.00 | 5510.00 | 4490.00 | 3240.00 |
| Dividend Received | 100.00 | 90.00 | 70.00 | 90.00 | 90.00 |
| Profit on sale of Fixed Assets | 360.00 | 300.00 | 320.00 | 60.00 | 30.00 |
| Profits on sale of Investments | | | | 110.00 | 0.00 |
| Foreign Exchange Gains | | 13460.00 | | 6810.00 | 5830.00 |
| Others | 50880.00 | 20450.00 | 12030.00 | 31600.00 | 55990.00 |
| Operating Profit | 606680.00 | 550100.00 | 493770.00 | 442100.00 | 403240.00 |
| Interest | 132820.00 | 123010.00 | 114470.00 | 94340.00 | 96550.00 |
| InterestonDebenture / Bonds | 50470.00 | 56610.00 | 60180.00 | 61820.00 | 59310.00 |
| Intereston Term Loan | 102430.00 | 90310.00 | 74380.00 | 65430.00 | 67720.00 |
| Intereston Fixed deposits | | | | | |
| Bank Charges etc | 280.00 | 280.00 | 330.00 | 390.00 | 450.00 |
| Other Interest | -20360.00 | -24190.00 | -20420.00 | -33310.00 | -30920.00 |
| PBDT | 473860.00 | 427100.00 | 379300.00 | 347750.00 | 306690.00 |
| Depreciation | 174010.00 | 162040.00 | 147920.00 | 137880.00 | 124500.00 |
| Profit Before Taxation & Exceptional Items | 299850.00 | 265060.00 | 231380.00 | 209870.00 | 182180.00 |
| Exceptional Income / Expenses | | | | | -15120.00 |
| Profit Before Tax | 321980.00 | 281420.00 | 239170.00 | 220070.00 | 173900.00 |
| Provision for Tax | 82450.00 | 68090.00 | 67960.00 | 50470.00 | 24210.00 |
| Current Income Tax | 45110.00 | 44570.00 | 46600.00 | 37610.00 | 29590.00 |
| Deferred Tax | 36100.00 | 40380.00 | 47410.00 | 49240.00 | 44450.00 |
| Other taxes | 1250.00 | -16870.00 | -26050.00 | -36370.00 | -49830.00 |
| Profit After Tax | 239530.00 | 213320.00 | 171210.00 | 169600.00 | 149690.00 |
| Extra items | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Minority Interest | -5310.00 | -5210.00 | -2090.00 | -2840.00 | -3350.00 |
| Share of Associate | | | | | |
| Other Consolidated Items | | | | | |
| Consolidated Net Profit | 234220.00 | 208120.00 | 169130.00 | 166760.00 | 146350.00 |
| Adjustments to PAT | | | | | |
| Profit Balance B/F | 498310.00 | 345240.00 | 241560.00 | 140770.00 | 110090.00 |
| Appropriations | 732530.00 | 553360.00 | 410690.00 | 307530.00 | 256440.00 |
| General Reserves | | | | 1100.00 | 65810.00 |
| Proposed Equity Dividend | | | | | |
| Corporate dividend tax | | | | | |
| Other Appropriation | 732530.00 | 553360.00 | 410690.00 | 306430.00 | 190630.00 |
| Equity Dividend % | 84.00 | 78.00 | 73.00 | 70.00 | 62.00 |
| Earnings Per Share | 24.00 | 21.00 | 17.00 | 17.00 | 15.00 |
| Adjusted EPS | 24.00 | 21.00 | 17.00 | 17.00 | 15.00 |