New Delhi, Feb. 17 -- New Delhi: India's solar manufacturers are preparing to invest about Rs.30,000 crore to build about 50 GW of solar cell capacity in fiscal year FY27, racing to comply with new local-sourcing rules that take effect in June.

The expansion, led by companies including Waaree Energies, Adani Solar, Reliance Industries Ltd, ReNew Energy Global Plc, Avaada Group and Premier Energies, follows a government mandate requiring cells used in state-backed projects and power procured by distribution utilities to come from the Approved List of Models and Manufacturers. The policy is designed to curb import dependence and ensure certified technology feeds into the grid.

Industry executives expect domestic cell capacity to reach 45 ...