Introduction

The Global Rooftop Solar PV Market is witnessing steady growth, driven by increasing demand for clean energy, rising electricity costs, government incentives, and growing consumer awareness of renewable power generation. Rooftop solar photovoltaic systems enable residential, commercial, and industrial users to generate electricity directly from sunlight while reducing dependence on conventional grid power. Increasing energy-security concerns, declining solar technology costs, and advancements in energy storage and smart energy management are expected to support long-term market expansion worldwide.

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Rooftop Solar PV Market Insights

Based on Decision Advisors findings, the Global Rooftop Solar PV Market was valued at USD 61.4 Billion in 2024 and is projected to reach approximately USD 116.6 Billion by 2035.

• From 2025 to 2035, the market is expected to grow at a CAGR of 6%.
• Asia-Pacific accounted for the largest regional revenue share in 2024, representing approximately 30.2% of the global market. 
• The thin-film segment held the largest technology share in 2024, accounting for approximately 40.58% of market revenue.
• On-grid rooftop solar PV systems dominated by grid type, with approximately 84.4% revenue share in 2024.
• Government subsidies, net-metering policies, declining solar equipment costs, and increasing demand for energy independence are major factors supporting market expansion. 

Other Key Findings

• Rising electricity prices are encouraging households and businesses to invest in rooftop solar systems to reduce energy costs.
• Growing environmental awareness and corporate sustainability commitments are accelerating solar adoption across commercial and industrial facilities.
• Advancements in solar panels, inverters, energy storage systems, and smart monitoring technologies are improving system efficiency and operational flexibility.
• Government incentives, tax benefits, financing programs, and net-metering policies continue to support rooftop solar installations.
• The Middle East & Africa is expected to register the fastest growth during the forecast period, supported by abundant solar resources, rising energy requirements, and increasing renewable-energy investments.
• Increasing urbanization and electricity demand in emerging economies are creating significant opportunities for decentralized rooftop power generation.

Report Summary

Key Rooftop Solar PV Companies

• 3M

• Cilligan International
• LG Electronics
• Koninklijke Philips N.V.
• Panasonic
• EcoWater Systems
• A.O. Smith
• Pentair PLC
• Unilever PLC
• Kinetico Incorporated

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