Market Overview
The Spain Rooftop Solar Market reached USD 2.27 Billion in 2024. It is expected to expand to USD 12.31 Billion by 2033, growing at a CAGR of 20.65% during 2025-2033. Market growth is supported by favorable government incentives, declining photovoltaic costs, strong demand for energy independence, and rising adoption of net metering and self-consumption systems. Increasing residential and commercial installations, along with advancements in solar storage technologies, further strengthen Spain’s position as one of the leading solar markets in Europe.
Study Assumption Years
- Base Year: 2024
- Historical Years: 2019-2024
- Forecast Period: 2025-2033
Spain Rooftop Solar Market Key Takeaways
- Current Market Size: USD 2.27 Billion in 2024
- CAGR (2025-2033): 20.65%
- Forecast Period: 2025-2033
- In 2024, approximately 51,306 new residential rooftop solar installations were recorded.
- Single-family homes in Madrid achieve over 70% self-supply, while urban high-rise regions reach around 30%.
- Lithium-ion battery storage installations reached 495 MWh in 2023, with 75% accounted for by residential systems.
- Government incentives include IRPF deductions (20–60%), Property Tax (IBI) rebates up to 50%, and ICIO reductions.
- Removal of the “sun tax” significantly accelerated self-consumption and net metering adoption.
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Spain Rooftop Solar Growth Factors
Spain's rooftop market is driven by self-consumption and net metering policies. After the abolition of the "sun tax" renewed solar uptake was made possible, by improved incentive systems and higher levels of sustainability awareness. Lower electricity prices and greater energy independence also helped motivate consumers, with 51,306 new residential installations completed in 2024 alone.
Due to the reduction in photovoltaic panel price and the optimization of manufacturing and installation processes, as well as the constant increase in competition among installers, PV solar installations have become an affordable technology. Solar installations are encouraged with 20 to 60% IRPF reductions, 50% IBI reduction and ICIO reduction in single-family homes, commercial buildings and industrial facilities.
Solar-plus-storage grows as another key driver for these trends; behind-the-meter battery storage capacity reached 495 MWh in 2023, mostly in residential applications. Lithium-ion batteries fall in price and the government offers support toward greater storage installations that improve energy management and independence for residential or commercial consumers. In addition, rising electricity prices and grid stability requirements in Spain further stimulate the market for solar photovoltaic systems coupled with energy storage systems.
Spain Rooftop Solar Segmentation
Grid Type Insights:
- On-Grid
- Off-Grid
End User Insights:
- Industrial
- Commercial
- Residential
Regional Insights:
- Northern Spain
- Eastern Spain
- Southern Spain
- Central Spain
Recent Developments & News
- In March 2024, HEINEKEN and CSIN inaugurated the world’s largest solar thermal plant in Quart de Poblet, Spain, using advanced Fresnel technology. Completed within eight months, the installation is expected to reduce CO₂ emissions by 1,300 tons annually. HEINEKEN Spain, which achieved 100% renewable electricity in 2020, targets increasing renewable energy usage to 42% at its Valencia brewery by 2024, supporting its net-zero emissions goal by 2040.
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