UNISUN Power Solutions Pvt Ltd | India's Best Solar Company is a verified residential solar installers based in Mumbai, Maharashtra. They have a 4.5/5 rating based on 117 customer reviews on Google. They are MNRE certified. They serve residential and commercial solar customers in Mumbai and surrounding areas. Contact them directly for a free solar quote.
Installing solar panels on your home in Mumbai, Maharashtra is one of the best financial decisions you can make in 2025. With rising electricity tariffs and generous subsidies under PM Surya Ghar Yojana, most homeowners see payback in 3–6 years and then enjoy free electricity for 20+ more years.
For a typical Mumbai home consuming 300–500 units per month, a 3–5 kW system is ideal. Smaller 1–2 kW systems suit apartments. Your installer will calculate the exact size based on your electricity bill and roof space.
Residential buyers in Maharashtra can claim up to ₹78,000 subsidy under PM Surya Ghar Muft Bijli Yojana — register at pmsuryaghar.gov.in before signing with any installer.
Mumbai homeowners with on-grid solar systems can export excess power to the Maharashtra grid and receive credit on their electricity bill, reducing your annual bill to near zero.
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Insist on MNRE ALMM-listed panels (Waaree, Adani Solar, Tata Power Solar, Vikram Solar) and reputed inverters (Sungrow, Growatt, SMA). Avoid unknown brands with no Indian service centers.
Beyond the 25-year panel performance warranty, ensure your installer provides at least 2–5 years workmanship warranty on installation quality. Get this in writing in the contract.
A 3 kW residential solar system in Mumbai typically costs ₹1,50,000–₹1,95,000 before subsidy. After the PM Surya Ghar subsidy of ₹78,000, your net cost is ₹72,000–₹1,17,000. Prices vary based on panel brand and installer.
From signing the contract to final commissioning, the process typically takes 45–90 days. The physical installation takes just 1–3 days; the majority of time is DISCOM application and net meter installation.
Yes. Mumbai receives 4.5–6.5 peak sun hours daily depending on the season, making it suitable for rooftop solar. Peak generation occurs in the summer months (March–May), which coincides with highest AC usage — maximizing self-consumption.