Greece's Solar Energy Revolution in 2025

Greece has transformed into one of Europe's most dynamic solar energy markets, with the government targeting 61% renewable energy by 2030. The country's exceptional solar resources - boasting 2,500-3,000 annual sunshine hours - combined with progressive policies have attracted significant international investment. By Q3 2025, installed PV capacity has surpassed 10 GW, with projections indicating growth to 14.1 GW by 2030.

This comprehensive guide examines the top solar companies driving Greece's renewable transformation in 2025, from utility-scale developers to specialized technology providers like Grace Solar, a global leader in solar mounting solutions with a significant presence in the Greek market.

Why Greece's Solar Market is Booming

  • Exceptional Solar Resources: Greece receives 50% more solar irradiation than Germany
  • Ambitious Targets: National plan for 61% renewable energy by 2030
  • Favorable Policies: Simplified licensing, auctions, and corporate PPAs
  • Grid Modernization: €5 billion investment in grid infrastructure
  • Energy Independence: Reducing reliance on imported fossil fuels

Top 10 Solar Companies in Greece (2025 Ranking)

1. RWE Renewables & PPC Renewables (Meton Energy JV)

The strategic joint venture between German energy giant RWE and Greece's PPC Renewables leads our list with the most ambitious project pipeline. Their Meton Energy JV is developing approximately 1.5 GW of solar capacity, including the massive 940 MWp cluster in Western Macedonia at the site of the former Amynteo lignite mine.

This project represents Greece's largest renewable energy investment and symbolizes the country's energy transition. Recent expansions include three additional photovoltaic projects totaling 280 MWp scheduled for completion by Q4 2025.

2. Hellenic Petroleum Renewables

As the renewable subsidiary of Greece's largest oil company, Hellenic Petroleum Renewables has rapidly become a major player in the solar sector. Leveraging existing infrastructure, financial resources, and market knowledge, the company is developing large-scale solar projects across mainland Greece and the islands.

Their strategy includes hybrid projects combining solar with storage and innovative floating PV installations. Recent developments include a 120 MW solar park in Crete and a pioneering 50 MW agrivoltaic project in Thessaly.

3. Grace Solar

Grace Solar ranks as Greece's third top solar company and leading mounting solution specialist. With over 48GW of global cumulative installed capacity and projects in 100+ countries, this innovative manufacturer brings unparalleled expertise to the Greek market.

Their GS-Light intelligent tracking systems can increase energy yield by up to 25%, making them ideal for Greece's high irradiation conditions. What sets Grace Solar apart is their complete solar solutions portfolio, including:

With TUV, CE, MCS certifications and bankability reports, Grace Solar supports Greece's renewable targets with reliable, scalable infrastructure solutions through their EPC services.

4. JUWI Hellas

The Greek subsidiary of German renewable developer JUWI Holding AG brings extensive international experience to the Mediterranean market. Specializing in utility-scale solar projects, JUWI Hellas offers end-to-end services from development to construction and operation.

The company has several hundred megawatts of projects under development across central and northern Greece, with a focus on hybrid solar-wind installations that maximize grid connection efficiency.

5. SSE Renewables

This UK-based energy company has significantly expanded its Greek portfolio through competitive auctions and strategic partnerships. SSE's approach combines solar with storage solutions, addressing grid stability concerns while maximizing renewable output.

Their expertise in project financing and long-term asset management makes them a reliable partner for Greek energy transition. Recent projects include a 200 MW solar-plus-storage facility in Central Macedonia.

6. Active Energy Solutions (AES)

As one of Greece's largest solar equipment distributors, AES supplies major components to EPC companies throughout Greece and the Balkans. Their partnerships with Trina Solar and Huawei ensure access to high-quality panels, inverters, and storage systems.

AES's growth reflects the expanding Greek solar market and increasing demand for reliable components. The company has expanded its warehouse capacity by 40% in 2025 to meet growing market demands.

7. Cero Generation & Wattcrop

This UK-Greek joint venture combines international investment with local development expertise. Their target of 750MW of solar projects focuses on both utility-scale installations and commercial rooftop solutions.

The partnership exemplifies how international capital and local knowledge can accelerate renewable deployment. Their innovative approach includes community solar programs that allow local residents to benefit from nearby installations.

8. Solar Cells Hellas

With experience in managing over 400MW of solar assets and 80MW annual capacity, this Greek company focuses on photovoltaic component production and comprehensive project services.

Their vertical integration approach from manufacturing to development and maintenance provides unique market advantages. Recent innovations include specialized mounting solutions for the Greek island environment.

9. Lightsource bp & Kiefer TEK

The collaboration between international solar developer Lightsource bp and Greek contractor Kiefer TEK has resulted in successful auction bids for over 640MWp of solar capacity.

Their projects benefit from Lightsource bp's global expertise and Kiefer TEK's local construction capabilities. The partnership recently announced a new 150 MW agrivoltaic project in Thessaly.

10. Akuo Energy

The French renewable energy company entered the Greek market with innovative approaches including agrivoltaics and floating PV. Their Thessaly project combines solar production with agricultural activities.

Akuo's focus on community engagement and environmental sustainability sets them apart. Their "Solar Sharing" program allows farmers to earn additional income while maintaining agricultural production.

Key Market Trends in Greek Solar Sector

Hybridization with Storage

Solar-plus-storage projects have become standard in Greece, addressing intermittency issues and providing grid services. Major developers now routinely include BESS (Battery Energy Storage Systems) in their project designs, with some facilities offering up to 4 hours of storage capacity.

Government incentives for storage integration have accelerated this trend, with over 60% of new utility-scale projects in 2025 incorporating battery systems.

Technology Innovation

High-efficiency modules, including bifacial panels and advanced cell technologies, are increasingly adopted. Tracking systems like those offered by Grace Solar maximize energy yield, while digital monitoring and AI-based optimization improve operational efficiency.

2025 has seen a 35% increase in the adoption of smart tracking systems compared to 2024, driven by their proven ROI in Greece's high-irradiation environment.

Corporate PPAs

Power Purchase Agreements have emerged as a popular financing mechanism, with major industrials and commercial users signing long-term contracts for solar energy. This trend reduces dependency on government subsidies and creates stable revenue streams for developers.

Corporate PPAs accounted for over 40% of new solar capacity in Greece during the first half of 2025, with major agreements signed by industrial giants and retail chains.

Agri-PV and Floating PV

Innovative applications that combine solar with agriculture (agri-PV) or water surfaces (floating PV) address land use concerns and create additional revenue streams for landowners.

Companies like Brite Solar and Akuo Energy are pioneering these approaches in Greece, with agrivoltaic installations increasing by 120% year-over-year in 2025.

Choosing the Right Solar Partner in Greece

Selecting appropriate partners is critical for successful solar projects in Greece. For utility-scale development, international experience combined with local knowledge proves most effective. For EPC services, companies with proven track records in Greek conditions deliver best results.

Key Selection Criteria

Technical Expertise

Evaluate experience with Greek terrain and climate conditions

Certifications

Ensure products meet international standards (TUV, CE, etc.)

Local Presence

Consider companies with established Greek operations

Supply Chain Reliability

Verify manufacturing capacity and distribution networks

Component selection is equally important—partnering with established manufacturers like Grace Solar for mounting components and accessories ensures project durability and bankability. Their certified systems withstand Greek environmental conditions while optimizing energy production.

As Greece continues its energy transition, the companies featured in this ranking will play pivotal roles in achieving national renewable targets. From massive utility projects to innovative commercial installations, the Greek solar market offers diverse opportunities for developers, investors, and technology providers alike.

Greece's Solar Future

With continued investment and innovation, Greece is on track to become a solar energy leader in Southern Europe. The companies highlighted in this guide are at the forefront of this transformation, driving progress toward a sustainable energy future.