Rising Rooftop Solar Installations Push the US Rooftop Solar Panel Market Beyond $7.0 Billion

US rooftop solar panel market reached a value of $7.0 billion in 2025 and is expected to expand to $13.3 billion by 2035, recording a compound annual growth rate of 6.6% over the 2026–2035 forecast period. Rooftop solar adoption is emerging as a key growth driver for the US rooftop solar panel market as households and businesses increasingly turn to on-site electricity generation. Rooftop photovoltaic systems allow end users to reduce dependence on centralized power generation while benefiting from localized energy production. This shift toward rooftop and other behind-the-meter solar installations reflects growing consumer participation in the energy system and is strengthening the role of rooftop solar as a core component of distributed generation across multiple states.

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According to the Institute for Local Self-Reliance (ILSR), rooftop and other distributed solar systems accounted for 5.4 GW of new capacity additions in 2024, out of 32 GW of total solar added nationwide. The report highlights that rooftop solar penetration is deepening at the household level, with 23 states and Washington, DC reaching rooftop solar saturation levels exceeding 100 watts per person, equivalent to roughly one in every 25 households having rooftop solar installed. States such as California and New York continued to lead rooftop and distributed solar additions, while several smaller states recorded strong year-on-year growth, underscoring widening geographic adoption of rooftop PV systems.

 Strategic Acquisitions and Domestic Manufacturing Partnerships Strengthen the US Rooftop Solar Ecosystem

• In November 2025, SunPower Inc. finalized a $37.5 million acquisition of Ambia Solar, positioning itself as the fifth-largest residential solar company in the US and expanding its rooftop installation footprint.

• In February 2025, Heliene Inc. entered a multi-year partnership with Origami Solar to supply US-manufactured solar modules featuring steel frames, supporting domestic sourcing for rooftop and distributed solar projects.

• In December 2024, Canadian Solar Inc. executed three agreements with Sunraycer Renewables, covering battery storage supply and commissioning for two Texas projects and the sale of up to 2 GWp of solar modules for deployment across the US market.

• In April 2025, Corning Incorporated advanced its manufacturing expansion in Saginaw County, Michigan, to address growing demand for US-made solar components, adding around 400 jobs and increasing total local employment to approximately 1,500.

Market Coverage

• The market number available for – 2025-2035
• Base year- 2025
• Forecast period- 2026-2035
• Segment Covered-
  • Type
  • End User
• Competitive Landscape – Canadian Solar Inc., JinkoSolar Holding Co., Ltd., SunPower Corp., Tesla, Inc., Trina Solar Co., Ltd., among others.

Key questions addressed by the report.

• What is the market growth rate?
• Which segment and region dominate the market in the base year?
• Which segment and region will project the fastest growth in the market?
• Who is the leader in the market?
• How are players addressing challenges to sustain growth?
• Where is the investment opportunity?

US Rooftop Solar Panel Market Report Segment

By Type

• Monocrystalline Silicon
• Polycrystalline Silicon
• Thin-Film
  • Amorphous Silicon (a-Si)
  • Cadmium Telluride (CdTe)
  • Copper Indium Gallium Selenide (CIGS)
• Others

By End-User

• Household Sector
• Corporate Sector

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