Italy’s $1.36 Billion Rooftop Solar Market Expands on Rising Distributed Generation and Self?Consumption

Italy's rooftop solar panel market reached a value of $1.36 billion in 2025 and is expected to grow to $2.42 billion by 2035, expanding at a CAGR of 6.0% between 2026 and 2035. Italy’s rooftop solar sector is emerging as a core driver of photovoltaic growth in the national energy landscape. The widespread connection of small?scale systems across households, businesses, and public facilities reflects rising interest in on?site generation and self?consumption. This shift supports broader energy policy goals, reduces reliance on grid electricity, and puts downward pressure on energy bills. The growth in rooftop installations is reshaping investments and creating new opportunities for distributed solar developers and system integrators.

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According to Italia Solare, Italy has crossed the 2 million mark for grid?connected PV systems, reaching 2,011,056 installations as of July 30, 2025, with overall solar capacity surpassing 40.43?GW. In the first seven months of 2025 alone, 132,276 new photovoltaic systems were connected, adding 3,354?MW of solar capacity, underscoring strong momentum in both residential and commercial rooftop segments. These figures confirm the expanding role of distributed solar in Italy’s clean energy mix.

Italy’s Solar Energy Expansion: Major Investments and Projects

• In 2025, Innovo Renewables, an Italian renewable energy developer, acquired 11 photovoltaic plants, including agrivoltaic projects, totaling 66 MW across multiple Italian regions. This move supports Innovo’s target of reaching 150 MW of projects by mid-2025.

• In October 2024, Octopus Energy’s generation arm invested in Coralsun, a new Italian rooftop solar developer, to accelerate solar capacity in Italy. Coralsun plans 150 MW of solar projects over five years, focusing on commercial and industrial SMEs in northern Italy.

• In August 2024, Chinese solar company Huasun and Italian energy firm New Time announced plans to construct a 1 GW production line for heterojunction–perovskite tandem solar panels in Emilia-Romagna, beginning in Q3 2026. The project will enhance New Time’s BIPV portfolio and reduce reliance on non-EU solar-grade silicon.

• In May 2024, Fiera Milano commissioned Italy’s largest rooftop solar PV installation, an 18 MW system across its exhibition pavilions in Rho near Milan. Built by power utility A2A, the array consists of approximately 50,000 solar panels covering 330,000 square meters.

Market Coverage

• The market number available for – 2025-2035
• Base year- 2025
• Forecast period- 2026-2035
• Segment Covered-
  • Type
  • End User
• Competitive Landscape – A2A S.p.A., Canadian Solar Inc., Encavis AG, Enel Green Power S.p.A., Sonnedix, 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?

Italy 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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