On-Grid Solar Power System Market to Hit $250B

The On-Grid Solar Power System Market was valued at USD 102.3 billion in 2025 and is projected to grow to USD 250 billion by 2035, at a compound annual growth rate of 9.3% during the 2026 to 2035 forecast period. The market moved from USD 93.6 billion in 2024, with historical data spanning 2020 through 2024 and the base year set at 2025. On-grid solar systems connect directly to the utility grid, allowing surplus generation to be exported while drawing grid power when solar output is insufficient, eliminating the need for battery storage.

Report Key Statistics

Technology segmentation shows photovoltaic solar panels dominating, with a significant valuation of USD 65 billion in 2024 and expected growth to USD 150 billion in 2035, capturing the majority holding due to versatility, efficiency, and declining costs, making them a preferred choice for both residential and commercial applications. Concentrated solar power continues to exhibit steady expansion, catering primarily to utility-scale projects and complementing photovoltaic panels in large energy projects. Solar thermal energy shows moderate increase, mainly serving specialized applications and niche markets, emphasizing its role in integrated solar solutions.

Component segmentation shows solar panels as the most significant part of the market, with the strongest valuation expected in 2024 and a projection for 2035 highlighting their dominance. Inverters are essential, facilitating conversion of sunlight into usable electricity, while exhibiting steady expansion due to advances in technology. Mounting structures show moderate increase as they provide stability to solar installations. Cables are witnessing strong growth driven by increasing deployment, ensuring robust connectivity for power transmission. Monitoring systems are becoming increasingly crucial, offering real-time tracking and maintenance functionalities.

Application segmentation shows the residential sector seeing strong growth, as homeowners increasingly adopt solar power systems to reduce energy costs and promote sustainability. The commercial segment is experiencing steady expansion, driven by businesses aiming to enhance environmental footprint while lowering utility expenses. The industrial sector is also experiencing moderate increase, influenced by corporations focusing on energy efficiency and long-term savings.

Installation type segmentation shows rooftop installations showing strong growth due to increasing consumer awareness and adoption of residential solar energy solutions, allowing property owners to utilize space effectively while reducing energy costs. Ground-mounted systems exhibit steady expansion, particularly in commercial and utility-scale applications. Building-integrated systems are gaining interest as they seamlessly blend solar technology into architectural designs.

Regional Distribution

North America exhibits a dominant position, with a valuation of USD 28 billion in 2024 and projected growth to USD 70 billion by 2035. Europe follows closely with healthy momentum characterized by steady expansion, driven by policy support and increasing investments in renewable energy technology. Asia-Pacific showcases robust growth potential, largely due to rising energy demands and government initiatives aimed at sustainability, and the region is the largest region, accounting for over 50% of the market share in 2023. South America implements moderate increases as it enhances renewable energy capability amidst growing environmental awareness. The Middle East and Africa region is starting to gain traction as more countries commit to transitioning towards renewable energy sources.

Industry Trends

The market is expected to witness significant growth with a projected CAGR of 9.3% from 2025 to 2035, driven by increasing environmental awareness and government incentives. Technological advancements, including improvements in solar panel efficiency and battery storage solutions, are reshaping the landscape, leading to reduced costs and enhanced system reliability. The residential on-grid solar market is gaining traction as homeowners increasingly adopt renewable energy solutions, spurred by declining installation costs and favorable financing options.

The increasing demand for renewable energy sources as governments emphasize sustainability to combat climate change is a significant market driver, fueled by favorable government policies and incentives aimed at reducing carbon footprints. Decreasing costs associated with solar technology, such as photovoltaic cells, are making on-grid systems more accessible to consumers and businesses alike. A growing preference for decentralized energy systems is evident, with consumers increasingly investing in solar installations that allow them to directly manage energy consumption while contributing surplus energy back to the grid.

Challenges

The market faces challenges such as intermittency of solar power, high upfront costs, and lack of skilled labor. The initial installation costs and the need for skilled labor present substantial obstacles to adoption in some markets.

Future Outlook

Rising demand for renewable energy, government incentives and subsidies, technological advancements in solar efficiency, increasing electricity prices, and expanding energy storage solutions represent the primary opportunities. Innovative financing models can attract a broader range of investors, particularly in emerging markets, with flexible payment plans or power purchase agreements reducing upfront costs. Partnerships with tech firms to integrate artificial intelligence and IoT capabilities into solar systems can enhance system monitoring, predictive maintenance, and energy storage solutions.

Expert Discussion

First Solar has achieved a notable presence, recognized for its commitment to thin-film photovoltaic technology that optimizes efficiency and performance in diverse environmental conditions, leveraging expertise in large-scale utility projects to deliver reliable, clean energy solutions, with manufacturing processes characterized by environmentally sustainable approach, and robust project development capabilities and strong emphasis on innovation allowing it to maintain a competitive edge. Brookfield Renewable Partners maintains strategic focus through diverse investments in renewable energy assets, capitalizing on expansive operational footprint to optimize resource management, with strengths in long-term investment strategy aimed at consistent portfolio growth, and by deploying advanced technologies and fostering strong partnerships, effectively scales solar assets.

Key competitors include First Solar, Brookfield Renewable Partners, JA Solar, SMA Solar Technology, Tesla, Iberdrola, Hanwha Q CELLS, EDP Renewables, LONGi Solar, Silicon Ranch, Vattenfall, Canadian Solar, NextEra Energy, Trina Solar, Enphase Energy, and JinkoSolar.

Conclusion

The sector shows strong growth fundamentals. Current momentum rests on photovoltaic panel dominance and residential application leadership. Emerging opportunities lie in renewable energy demand, government incentives, and energy storage expansion. Technological developments in solar panel efficiency and smart grids are steadily improving performance. The long-term outlook anticipates the On-Grid Solar Power System Market reaching USD 250 billion by 2035, supported by government policies, declining costs, and environmental sustainability focus worldwide.