Tata Power Renewable Energy Limited (TPREL) has reached a notable milestone by exceeding 1 gigawatt-peak (GWp) of rooftop solar installations within the first nine months of FY26. The achievement underscores the accelerating adoption of decentralised renewable energy in India’s urban and industrial sectors, offering a scalable pathway for sustainable energy integration in cities and commercial properties.
During this period, the company added over 1 GWp of new rooftop capacity, reflecting a 127% increase compared to the 444.78 MWp installed in the same period last year. Industry experts note that such growth highlights both the rising affordability of solar technology and the increasing willingness of businesses and residential customers to invest in on-site clean energy. TPREL also onboarded 170,000 new rooftop solar customers, a 345% year-on-year increase, bringing its cumulative customer base to more than 300,000 and total installed rooftop capacity above 4 GWp nationwide. Urban planners and sustainability specialists emphasise the broader significance of these developments. By decentralising power generation, rooftop solar installations reduce strain on municipal grids, enhance energy security, and contribute to urban carbon reduction targets. They also provide resilience in the face of climate-related disruptions, such as heatwaves and energy demand spikes, by localising generation and reducing transmission losses.
The October–December quarter of FY26 proved particularly transformative, with 58,476 new rooftop installations accounting for 372 MWp of capacity—a 242% increase compared to the same quarter last year. Analysts suggest that this trend reflects not only technological advances and cost reductions but also stronger policy support from state governments, accelerated adoption of net metering frameworks, and growing corporate sustainability commitments. From a market perspective, TPREL’s performance could have ripple effects on real estate development and urban infrastructure planning. Incorporating rooftop solar into residential, commercial, and industrial projects can increase property value, lower operational energy costs, and meet ESG benchmarks increasingly demanded by investors and tenants. Energy sector officials highlight that large-scale rooftop adoption also supports India’s broader renewable energy targets, contributing meaningfully to the national goal of 500 GW of installed renewable capacity by 2030.
Looking ahead, industry observers caution that sustaining this growth will require improvements in financing models, streamlined regulatory approvals, and integration with smart grid technologies. Urban stakeholders note that rooftop solar expansion presents opportunities for equitable access to clean energy, including in middle-income housing complexes and public infrastructure projects, thereby reinforcing both environmental and social objectives. TPREL’s milestone signals a turning point in India’s rooftop solar market, demonstrating that rapid, city-level renewable adoption is achievable and economically viable, while advancing climate-resilient, sustainable urbanisation.
Tata Power Expands Rooftop Solar Capacity Rapidly
