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Tata Power Solaroof Crosses 1 GWp Rooftop Solar Installation Capacity in 9 Months of FY26

Tata Power Solaroof, a division of Tata Power Renewable Energy, has achieved 1 GWp of rooftop solar installations in the first nine months of FY26, adding over 1.7 lakh new systems across residential and commercial, and industrial (C&I) segments. With this, the cumulative installed capacity has crossed 4 GWp.

January 06, 2026. By Mrinmoy Dey

Rooftop solar solutions provider Tata Power Solaroof, a division of Tata Power Renewable Energy (TPREL), has announced that it has achieved a milestone of 1 GWp installed rooftop solar capacity within the first nine months of FY26, spanning residential as well as commercial and industrial (C&I) segments.

During this period, the Tata Power Solaroof added more than 1.7 lakh installations, registering a remarkable 345 percent YoY growth compared to 38,494 installations in the corresponding period of FY25, the company said in a statement.

It has onboarded 1.7 lakh new customers across residential, commercial and industrial (rooftop and ground-mounted solar solutions) during the same period, taking its total customer base beyond 3 lakh and cumulative installed capacity to over 4 GWp, the company said.

Tata Power Solaroof has also achieved 58,476 rooftop solar installations in Oct-Dec Quarter, i.e., Q3FY26, recording a 242 percent year-on-year growth compared to 17,092 installations in Q3FY25.

Over the last nine months, TPREL has achieved its highest number of rooftop solar installations in Uttar Pradesh, completing 30,857 installations with an aggregate installed capacity of 128.13 MWp. This was followed by Maharashtra, with 21,044 installations totalling 126.33 MWp. Gujarat recorded 18,907 installations, contributing the highest installed capacity of 143.02 MWp, while Telangana added 14,622 installations, accounting for 62.08 MWp of installed capacity.

Geographically, the growth of Tata Power Solaroof was driven by strong performance across several key states. Maharashtra emerged as the leading contributor, with 41,827 installations delivering a cumulative capacity of 855.21 MWp. This was followed by Gujarat, which recorded 31,624 installations with an aggregate capacity of 525.81 MWp. Tamil Nadu added 8,633 installations, aggregating to 318.35 MWp, while Chhattisgarh contributed 8,068 installations with a cumulative capacity of 285.62 MWp.

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Solar PV

Tata Power Solaroof

Tata Power Renewable Energy

Tata Power rooftop solar milestone

Tata Power rooftop installations in FY26

TPREL rooftop solar installations statewise

Tata Power Solaroof installed capacity