Discover the leading solar panel installation companies in Spain. This ranking explores the most prominent options for those seeking photovoltaic energy solutions, ranging from large corporations to specialized installers. We analyze key factors such as experience, service quality, warranties offered, and customer satisfaction. This guide is ideal for homeowners and businesses looking to invest in efficient and reliable self-consumption energy.
Octopus Energy España stands out for its comprehensive service in solar panel installation, complemented by competitive electricity tariffs that optimize savings for self-consumption customers. The company has achieved high customer satisfaction, with ratings of 4.8 out of 5 on platforms like Trustpilot, highlighting the professionalism of its installers and clarity in surplus energy management.
SotySolar has been honored with the Top Brand PV Installer Award in 2023, 2024, and 2025, recognizing it as the Best Photovoltaic Solar Energy Installation Company in Spain. The company is among the top three with the highest installation capacity and best-rated in the self-consumption sector, holding a 4-star rating based on over 1500 reviews.
Solar360 stands out for offering self-consumption solar solutions backed by two major companies, Repsol and Movistar, which instills significant consumer confidence. It provides an attractive value proposition with discounts of up to 50% on installation and a Smart Plan that enables real-time monitoring and optimization of energy consumption.
La Grotta Solar stands out for its specialization in solar self-consumption and aerothermal solutions in Mallorca, offering high-quality installations with advanced technology. Its focus on efficiency and advice on subsidies provides significant added value to its clients, ensuring economically optimal projects without last-minute surprises.
Avenir Energía stands out for its focus on personalized energy solutions, offering free, no-obligation studies to adapt solar panel installations to each client's actual consumption. Its installation service is valued for its professionalism, ensuring efficient implementation of photovoltaic and aerothermal systems for homes and businesses.
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Samara is a prominent company in the solar panel installation sector in Spain, recognized for its specialization in comprehensive photovoltaic solutions. It offers services including solar panels, energy storage batteries, and electric vehicle chargers, enabling users to save significantly on their energy bills.
EDP Solar provides photovoltaic self-consumption solutions for businesses, enabling them to produce and consume their own energy without initial investment. Its backing by the EDP group and comprehensive management of its installations ensure a reliable and efficient service for reducing energy bills.
1KOMMA5° has been recognized by Sungrow as the sole "Power Partner Certified Installer" in Spain, a distinction that certifies its technical excellence and quality in photovoltaic system installations. Furthermore, the company ranks among the top 1% of solar installers in Spain and Europe, according to EUPD Research, thanks to its experience with over 100,000 installations.
Neolux Energy stands out for offering comprehensive solar energy solutions, including engineering, installation, legalization, and financing for businesses. Its commitment to innovation and personalized solutions, along with installation and savings guarantees, positions it as a benchmark in the sector. The company facilitates the energy transition with turnkey projects and financing options requiring no initial investment.
Prosolia Energy stands out for its leadership in the ranking of installed kWp for commercial and industrial self-consumption in Spain, reaching 141,139 kWp in 2023. The company has driven large-scale projects, such as Spain's largest rooftop solar self-consumption installation for Stellantis, demonstrating its capability and experience in the sector.
EIDF Solar is the leading company in Spain for photovoltaic self-consumption installations for businesses, holding a 20% market share in the industrial and commercial sector. It boasts over 11 years of experience and has executed more than 1000 self-consumption projects, demonstrating its capability and market leadership.
HogarSolar is exclusively dedicated to the residential self-consumption photovoltaic sector, designing systems that allow households to save on their electricity bills from day one. The company offers a free, no-obligation technical visit to assess each home, ensuring a realistic and well-founded quote.
To compile this ranking of the best solar panel installation companies in Spain, we have gathered and analyzed information from various reliable sources. Our goal is to provide a clear and useful overview for consumers interested in photovoltaic solar energy.