Rooftop Solar

India’s rooftop solar potential is vast. Policy momentum, domestic manufacturing expansion, and innovative retail models are laying the groundwork for mass adoption. The focus now must be on making solar a simple, dependable household choice — where purchasing panels is as straightforward as buying a home appliance.

Jaipur-based solar module manufacturer Insolation Energy Ltd has announced that its subsidiary, Insolation Green Energy, has incorporated four new wholly owned subsidiaries for the purpose of setting up solar power plants.

When you combine lower solar hardware costs with rising grid tariffs, payback periods tighten—especially for homes that consume 200–400 units a month and can run major daytime loads (fridge, fans, air-cooling, work-from-home equipment) on solar power.

This article discusses the often-overlooked technical considerations involved in designing and laying out a high-performance solar system.

While subsidies have provided an important early boost, the future of residential solar affordability rests on financing models that expand access consistently. Loans create a pathway for households across diverse income brackets and geographies to invest in clean energy without waiting for government support.

Sandia National Labs researchers have created a new dataset on the rates and types of rooftop PV connector failures. Their analysis has shown that tight wire bending radius, extra dirty connectors, and loose nuts are the most common failure causes in 6,276 connectors deployed between 2014 and 2017 across seven U.S. regions.

Adopting rooftop solar has never been simpler, with 100% digital, collateral-free loans tailored for middle-income households. From instant, paperless approvals to flexible options like zero-cost EMIs or hybrid plans, the process ensures ease at every step.

Solfin Sustainable Finance, a solar-focused non-banking finance company (NBFC) backed by Waaree, and Japanese Financial Institution, have entered co-lending partnership to provide working capital finance to solar panel dealers and rooftop solar finance to end consumers.

India added 2.8 GW of rooftop solar capacity in the first half (January–June) of calendar year 2025, marking a 155% year-over-year increase compared to the 1.1 GW installed during the same period in 2024, according to Mercom India’s newly released Q2 2025 India Rooftop Solar Market Report.

SolarSquare has installed more than 250 MW of rooftop solar capacity, including about 100 MW in the residential sector and 150 MW commercial and industrial.