Industry Overview

US rooftop solar panel market was valued at $7.0 billion in 2025 and is projected to reach $13.3 billion by 2035, growing at a CAGR of 6.6% during the forecast period (2026–2035). The US rooftop solar panel market is growing due to sustained policy support that continues to favor distributed solar adoption across residential and commercial buildings. Rising retail electricity prices are encouraging households and corporate users to adopt rooftop systems as a long-term measure for energy cost control. Ongoing improvements in monocrystalline and thin-film panel efficiency are increasing power output from limited roof space, strengthening project-level economics. Financial structures such as tax incentives, third-party ownership models, and standardized financing options are reducing upfront investment constraints. In parallel, expansion of domestic manufacturing and installer networks is improving supply reliability and supporting steady market development across the country.

Market Dynamics

Rising Residential Adoption Supported by Cost Stability Objectives

The household segment is a primary growth driver in the US rooftop solar panel market as homeowners seek predictable electricity costs over the system lifetime. Increasing volatility in utility pricing is reinforcing interest in self-generation through rooftop installations. High-efficiency monocrystalline panels are enabling greater energy yield from limited residential roof space, improving return on investment. Financing structures and installer-led programs are simplifying system ownership for homeowners.

Corporate Rooftop Installations Strengthening Distributed Energy Capacity

The corporate sector is emerging as a significant growth area within the US rooftop solar panel market as businesses prioritize operational energy management. Rooftop solar systems allow commercial facilities to offset daytime electricity consumption and improve long-term cost visibility. Standardized system designs and scalable module formats are expanding adoption across warehouses, offices, and industrial rooftops. Corporate sustainability planning is further supporting deployment of on-site solar generation. As a result, corporate rooftop installations are becoming an integral component of distributed energy strategies in the US market.

Market Segmentation

• Based on the type, the market is segmented into monocrystalline silicon, polycrystalline silicon, thin-film (amorphous silicon (a-Si), cadmium telluride (CdTe), copper indium gallium selenide (CIGS)), and others.
• Based on the end-user, the market is segmented into household sector, and corporate sector.

Monocrystalline Silicon Rooftop Solar Panels Leading Technology Adoption in the US Market

The monocrystalline silicon sub-segment represents the dominant technology within the US rooftop solar panel market due to its higher conversion efficiency and long-term performance reliability. Residential and commercial users increasingly favor this technology as it maximizes electricity generation from limited rooftop space. Continuous improvements in cell architecture and module design are enhancing output consistency across varied climatic conditions. These efficiency gains directly support stronger project economics for rooftop installations. As a result, monocrystalline panels remain the preferred choice across most new rooftop deployments in the US market.

Household Sector Driving Volume Growth in Rooftop Solar Installations

The household sector is a key growth sub-segment of the US rooftop solar panel market, driven by rising homeowner focus on energy cost predictability. Rooftop solar adoption among residential users is expanding as households seek long-term protection from increasing utility tariffs. Improved access to financing options is reducing upfront investment barriers for homeowners. Standardized installation practices are also shortening project timelines and improving customer adoption rates. Collectively, these factors are sustaining consistent demand growth within the residential rooftop solar segment across the US.

Market Players Outlook

The major companies operating in the US rooftop solar panel market include Canadian Solar Inc., JinkoSolar Holding Co., Ltd., SunPower Corp., Tesla, Inc., Trina Solar Co., Ltd., among others. Market players are leveraging partnerships, collaborations, mergers, and acquisition strategies for business expansion and innovative product development to maintain their market positioning.

Recent Developments

• In November 2025, SunPower Inc. completed a $37.5 million acquisition of Ambia Solar, becoming the No. 5 US residential solar company. The acquisition adds Ambia’s top-performing operations team to SunPower’s Direct Business Unit, enhancing operational capabilities.

• In February 2025, Heliene Inc. and Origami Solar partnered in a multi-year agreement to offer US-made solar modules with steel frames. The steel frames enhance product resilience, lower greenhouse gas emissions, and provide a cost-effective, scalable domestic steel frame supply for the North American market.

• In December 2024, Canadian Solar Inc. signed three key agreements with Sunraycer Renewables, including battery storage supply and commissioning for two Texas projects and the sale of up to 2 GWp of solar modules.

• In April 2025, Corning Incorporated accelerated its advanced manufacturing in Saginaw County, Michigan, to meet rising demand for US-made solar components. The new facility will create about 400 high-paying jobs, bringing the total to 1,500.

The Report Covers

• Market value data analysis of 2025 and forecast to 2035.
• Annualized market revenues ($ million) for each market segment.
• Country-wise analysis of major geographical regions.
• Key companies operating in the US rooftop solar panel market. Based on the availability of data, information related to new products and relevant news is also available in the report.
• Analysis of business strategies by identifying the key market segments positioned for strong growth in the future.
• Analysis of market-entry and market expansion strategies.
• Competitive strategies by identifying ‘who-stands-where’ in the market.