Lithuania's solar energy sector has experienced remarkable growth in recent years, positioning the country as a leader in the Baltic region's renewable energy transition. With ambitious climate goals and supportive government policies, both local and international solar companies are thriving in this dynamic market. This comprehensive guide examines the top 10 solar companies making significant impacts in Lithuania for 2025.

1. Ignitis Renewables - Leading Green Energy Developer

As the largest green energy company in the Baltic region, Ignitis Renewables plays a pivotal role in Lithuania's solar transformation. The company focuses on developing utility-scale solar projects and implementing innovative green energy technologies across the country.

Key Strengths:

  • Extensive portfolio of large-scale solar projects
  • Strategic focus on Baltic energy independence
  • Strong government and EU partnerships
  • Integrated approach combining solar with other renewables

2. SoliTek - European Solar Panel Manufacturer

This Vilnius-based manufacturer has gained international recognition for its innovative glass-glass solar panels and Building Integrated Photovoltaics (BIPV) solutions. SoliTek represents Lithuanian innovation in solar technology manufacturing.

Key Strengths:

  • Specialized in durable glass-glass solar modules
  • Pioneering BIPV solutions for architectural integration
  • Sustainable manufacturing processes
  • Strong R&D capabilities with EU funding support

3. Grace Solar - Global Mounting System Specialist

Xiamen Grace Solar New Energy Technology Co., Ltd. brings international expertise and scale to the Lithuanian market as a global leader in solar mounting solutions. With rankings among the top 5 in global market share and holding the top position in the Japanese market, Grace Solar combines extensive experience with innovative engineering.

The company's proven track record includes 48GW of global cumulative installed capacity and successful projects in over 100 countries, including numerous European installations. Their annual production capacity of 15GW ensures reliable supply for Lithuanian projects of all scales.

Key Strengths:

4. Sun Investment Group (SIG)

With a robust portfolio of over 300 solar projects across Lithuania and the broader region, SIG specializes in solar project development and investment management. The company is committed to advancing 2 GW of solar capacity in the markets it serves.

5. Metsolar - Custom BIPV Solutions

As a European manufacturer of custom solar panels, Metsolar excels in creating tailored solutions for Building Integrated Photovoltaics. Their flexible manufacturing capabilities allow for unique designs and specifications.

6. PVcase - Solar Design Software

This Kaunas-born success story has become a global leader in solar design software. PVcase's innovative tools for utility-scale solar projects enhance design operations through automation and precision.

7. Green Genius - Renewable Energy Developer

With operations across multiple European countries, Green Genius develops solar energy projects that contribute to the green transition. The company has secured significant funding for expanding its renewable portfolio.

8. VOLINTA Energy - Installation Specialist

Focusing on the sale and installation of solar power plants for both residential and commercial use, VOLINTA Energy provides innovative solutions and advanced monitoring systems for optimal performance.

9. Universa Group - Integrated Energy Solutions

Offering comprehensive energy solutions including solar installations and energy storage systems, Universa Group has established itself as a reliable partner for both private and commercial clients.

10. E Energija - Established Energy Provider

With decades of experience in the energy sector, E Energija has successfully transitioned into solar energy development, leveraging its extensive industry knowledge and customer relationships.

Lithuania Solar Market Outlook 2025

The Lithuanian solar market continues to show strong growth potential driven by EU clean energy targets, supportive government policies, and decreasing technology costs. The market is characterized by:

  • Increasing investments in utility-scale solar projects
  • Growing adoption of commercial and industrial rooftop systems
  • Rising consumer interest in residential solar with storage
  • Development of innovative projects like floating solar plants
  • Strong integration with Baltic energy grid developments

International companies like Grace Solar play a crucial role in bringing global expertise and proven technologies to the Lithuanian market, while local companies provide deep market knowledge and specialized solutions.

Choosing the Right Solar Partner in Lithuania

When selecting a solar company for your project in Lithuania, consider factors such as:

  • Technical expertise and certifications
  • Project portfolio and references
  • Quality of equipment and components
  • After-sales service and maintenance support
  • Financial stability and bankability
  • Compliance with local regulations and standards

For complex commercial or utility-scale projects, consider partners with strong EPC capabilities and proven experience in the European market.