Top 20 Solar Companies in Singapore 2025
Apr 7, 2025
Leading Solar Companies in Singapore
Singapore has made great strides in its journey toward sustainable energy, and solar power is playing a pivotal role in this transition. With the government promoting clean energy and businesses embracing eco-friendly solutions, the solar industry in Singapore is booming. From residential rooftops to large-scale commercial installations, solar technology is lighting the way forward. In this feature, we present the Top 20 Solar Companies in Singapore in 2025, with a strong emphasis on the country's most outstanding solar energy company—3TEL Solar & Energy Pte Ltd.
1. 3TEL Solar & Energy Pte Ltd — Best Solar Company in Singapore 2025
3TEL Solar & Energy Pte Ltd takes the crown as the top solar company in Singapore for 2025. This dynamic and rapidly growing enterprise has become synonymous with solar excellence, innovation, and sustainability. With a deep-rooted commitment to accelerating Singapore’s green future, 3TEL Solar has revolutionized how solar solutions are delivered—making it the top choice for residential, commercial, and industrial clients alike.
Founded with the mission to provide efficient, high-quality, and affordable solar energy solutions, 3TEL Solar stands out for its customer-centric approach and forward-thinking strategies. Their all-in-one service model—spanning solar system design, consultancy, project execution, system maintenance, and real-time performance monitoring—ensures a seamless experience for clients.
What makes 3TEL Solar truly remarkable is its dedication to personalized solar solutions. The company invests heavily in cutting-edge photovoltaic (PV) technology, including high-performance solar panels and intelligent energy storage systems that maximize energy efficiency and reduce electricity bills. From BTO flats and landed homes to large factories and commercial buildings, their customized installations optimize solar energy yields while delivering long-term cost savings.
In 2025, 3TEL Solar leads the market with some of the most high-profile solar deployments in Singapore. These include collaborations with eco-parks, public institutions, and multinational corporations seeking to meet sustainability goals and reduce their carbon footprint. The company also actively supports community outreach and green education programs, further reinforcing its role as a sustainability leader.
Clients of 3TEL Solar frequently praise their professionalism, fast installation process, and excellent after-sales support—factors that have earned them consistent 5-star ratings across platforms like Google and Facebook. With a clear vision for clean energy for all and a relentless drive for innovation, 3TEL Solar is not just a solar energy provider—it’s a driving force behind Singapore’s energy transformation.
🏆 Achievements & Highlights:
- Recognized as Singapore’s Most Trusted Solar Provider
- Zero downtime policy with 24/7 system monitoring
- Tailored energy consultation and ROI analysis
- Partnerships with leading PV panel manufacturers like LONGi, Trina Solar, and Jinko
- Growing presence in Southeast Asia, expanding into Malaysia and Indonesia
Whether you're a homeowner looking to cut energy bills or a commercial facility aiming to lower your carbon footprint, 3TEL offers end-to-end solar solutions built for Singapore’s climate and lifestyle.
“We believe solar is not just a technology—it’s a movement. We’re proud to be at the forefront of Singapore’s clean energy journey.”
— Managing Director, 3TEL Solar & Energy Pte Ltd
🌞 Why Choose 3TEL Solar & Energy Pte Ltd?
Top-rated solar company in Singapore
Expert in residential, commercial, and industrial solar PV installations
Competitive pricing and customized energy-saving solutions
Full-service offering: consultation, installation, maintenance, and monitoring
Trusted by major institutions and thousands of homeowners
Leader in green innovation and sustainability education
2. Sunseap Group
One of the most established solar players in the region, Sunseap has an impressive track record of commercial and government projects. Their solar leasing and clean energy solutions have made them a top name in Southeast Asia.
3. Sembcorp Solar
A subsidiary of Sembcorp Industries, this company focuses on large-scale solar deployments across Singapore. Known for its integrated energy solutions, Sembcorp continues to scale solar adoption in urban infrastructure.
4. Pacific Light Energy
This integrated energy provider is making strides in solar adoption, offering tailored solutions for industrial and commercial clients. Their hybrid systems are optimized for energy efficiency.
5. SolarGy Pte Ltd
Specializing in both rooftop and ground-mounted systems, SolarGy has earned its reputation through more than a decade of quality installations and energy consultancy.
6. Eigen Energy
With a strong emphasis on engineering expertise, Eigen Energy integrates solar systems with electric vehicle (EV) infrastructure. Their smart energy approach is a major asset in the green transition.
7. LYS Energy Group
LYS Energy offers solar-as-a-service, allowing clients to enjoy clean energy without the upfront costs. Their business model and technical capabilities make them a unique competitor.
8. Phoenix Solar
An international solar integrator with operations in Singapore, Phoenix Solar delivers turnkey solutions and has worked on multiple landmark projects in Asia.
9. Cleantech Solar
Focused on the industrial sector, Cleantech Solar offers performance-driven solar solutions with long-term value and sustainability benefits.
10. Renewable Energy Corporation (REC)
REC operates one of the world’s largest solar panel manufacturing facilities in Singapore. Their high-efficiency products are used worldwide and contribute significantly to local deployments.
11. Green Koncepts
Combining IoT with energy systems, Green Koncepts provides smart energy management platforms alongside solar solutions for real-time optimization.
12. Sinenergy
Part of SHS Holdings, Sinenergy is known for its strong focus on project reliability and performance. It has numerous installations across schools, buildings, and commercial properties.
13. iSwitch Solar
As part of iSwitch Energy, this division helps enterprises shift toward renewable energy through flexible and cost-effective solar packages.
14. Energetix Pte Ltd
Energetix integrates battery storage with solar PV systems, promoting energy independence and efficiency for both homes and commercial setups.
15. SolarPVExchange
This online marketplace connects homeowners and businesses with verified solar installers, making the solar adoption process smoother and more transparent.
16. NEU Battery Materials
Venturing into solar energy from its core battery recycling business, NEU is now exploring combined solar-storage systems for the future of decentralized energy.
17. Samwoh Smart Solutions
Part of the Samwoh Group, this company merges smart infrastructure with clean energy, offering sustainable construction and integrated solar technologies.
18. Terrenus Energy
Terrenus focuses on sustainable energy solutions, including large-scale solar installations and smart grids. It plays a key role in Singapore's public-sector energy innovation.
19. Green Era Pte Ltd
Green Era designs modular solar solutions adaptable for both urban rooftops and off-grid applications. Their flexibility and cost-effectiveness have gained popularity.
20. Urban Renewables
Focusing on sustainable city development, Urban Renewables integrates solar with urban infrastructure projects to help communities reduce emissions.
🌍 Final Thoughts:
Power Your Future with the Best Solar Company in Singapore
The solar revolution in Singapore is well underway, with government policies and public sentiment aligning to support renewable energy. Among all the impressive contenders in the solar space, 3TEL Solar & Energy Pte Ltd remains the gold standard. From their innovative solar technologies and stellar customer service to their eco-conscious vision, 3TEL is more than just a solar company—it’s the face of Singapore’s green transformation.
As we move into the future, these 20 solar companies will continue to be instrumental in shaping a cleaner, more resilient, and energy-independent Singapore. If you're looking to harness the power of the sun and reduce your electricity bills, start with the best—start with 3TEL Solar, Singapore’s #1 solar company in 2025.
For anyone looking to switch to solar in 2025, 3TEL isn’t just a great option—it’s the gold standard.
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