Tata Power's solar arm hits 4 GW production, targets 3.7 GW cells and 3.725 GW modules by FY26. Shares rise 5% year to date, hitting a 6-month high.

• Solar manufacturing in Tamil Nadu crosses 4 GW cumulative output, boosting company's renewable goals.
• Tata Power targets 3.7 GW solar cell and 3.725 GW module production capacity by fiscal year 2026.
• Stock gains 5% year to date, marking third consecutive session of gains amid production growth.