SolarSquare, a residential solar solutions company in India, has raised $53 million in a Series C funding, marking the largest venture investment in India’s solar sector. The round was led by B Capital, with existing investor Lightspeed increasing its investment in the company. Other existing investors Elevation Capital, Lowercarbon Capital, Rainmatter by Zerodha and Good Capital also participated in the current round. This takes the total capital raised by the company to over $100 million.
The company said it will deploy fresh capital to accelerate geographic expansion into new cities, deepen technology capabilities, hire talent and scale its residential solar platform.
Founded in 2015 by Neeraj Jain, Nikhil Nahar, and Shreya Mishra, SolarSquare focuses on residential rooftop solar installations. The company says it has installed rooftop solar systems at around 50,000 homes across India and is currently operating at an annualized revenue run rate of more than INR 1,000 crore.
SolarSquare operates as a full-stack home energy platform. The company manages the entire customer journey from initial consultation and system design to installation, financing support, and long-term maintenance.
“Rooftop solar requires a capital commitment of anywhere between INR 2–4 lakh for a typical urban household. That kind of decision demands trust, transparency, and reliable after-sales support. SolarSquare’s integrated model is built precisely around that insight. It is the first in India to offer a performance guarantee to its customers, an innovation that gives customers complete assurance on their investment,” stated the company.
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