The solar power optimizer industry is thriving, driven by the global push for sustainability and advancements in PV technology. Key trends include the adoption of artificial intelligence (AI) for energy management, hybrid systems integrating optimizers with energy storage, and enhanced safety features like rapid shutdown. These innovations are making solar installations more efficient, cost-effective, and adaptable to diverse applications.
In this article, we explore the top 10 solar power optimizer manufacturers worldwide, selected based on their market influence, technological innovation, and industry reputation.
1. HIITIO
- Headquarters: Hangzhou, Zhejiang, China
- Founded: 2018
- Recent Developments: In 2025, HIITIO launched a new optimizer series with enhanced IoT capabilities.
- Official Website: https://www.solaredge.com/en
HIITIO has quickly become a competitive force in the global optimizer market by focusing on innovation, affordability, and international certifications. Its products are designed to meet a wide range of application needs, from small residential systems to large-scale commercial installations. The company’s engineering team prioritizes IoT capabilities, high-speed data transmission, and extreme durability, making HIITIO a trusted partner for modern PV installations. Its rapid growth and expansion into overseas markets have positioned it as a forward-looking brand in solar electronics.
- Products: HIITIO produces high-performance power optimizers that support module-level MPPT, rapid shutdown, and real-time monitoring. HIITIO’s solutions are suitable for residential, commercial, and small utility-scale applications, providing flexibility in system design. Their cost-effective and highly efficient optimizers support both monofacial and bifacial modules, addressing common issues such as shading, aging, and mismatch loss.
- Unique Selling Points: Cost-effective, reliable, and compatible with diverse PV systems.
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2. SolarEdge
- Headquarters: Herzliya, Israel
- Founded: 2006
- Recent Developments: In 2024, SolarEdge expanded its optimizer lineup with enhanced AI-driven analytics.
- Official Website: https://www.solaredge.com/en
SolarEdge is widely regarded as a pioneer in the solar energy sector, having transformed the way photovoltaic systems operate through its innovative DC optimization technology. The company has built a strong reputation by providing reliable, intelligent energy solutions that cover residential, commercial, and utility-scale applications. With an extensive global presence and a strong R&D focus, SolarEdge continues to innovate in the areas of smart energy management, safety, and cloud-based monitoring. Its integrated ecosystem approach offers a seamless experience for users looking to maximize energy harvest and system visibility.
- Products: SolarEdge offers a comprehensive line of power optimizers, including the P-series and S-series, designed for residential, commercial, and utility-scale applications.
- Unique Selling Points: High efficiency, seamless inverter compatibility, and a robust global support network.
3. Tigo Energy
- Headquarters: Campbell, California, USA
- Founded: 2007
- Recent Developments: Tigo launched an upgraded TS4 platform in 2025 with improved durability for extreme climates.
- Official Website: https://www.tigoenergy.com/
Tigo Energy has carved out a unique position in the solar market by introducing highly modular and scalable module-level power electronics (MLPE) through its TS4 platform. The company’s mission to provide flexible optimization, monitoring, and safety has allowed it to cater to a diverse range of installation scenarios. Tigo’s open architecture and compatibility with multiple inverter brands have made it a popular choice for both residential and commercial customers. Its energy intelligence platform further enhances system performance and diagnostics, making it a strong player in global solar deployment.
- Products: Tigo’s TS4 platform includes several versions such as TS4-A-O (Optimization), TS4-A-S (Safety), and TS4-A-M (Monitoring), allowing users to deploy functionality selectively based on system needs.
- Unique Selling Points: Compatibility with third-party inverters and cost-effective selective optimization.
4. Huawei
- Headquarters: Shenzhen, China
- Founded: 1987
- Recent Developments: Huawei expanded its optimizer compatibility with energy storage systems in 2024.
- Official Website: https://www.huawei.com/en/
Huawei has leveraged its deep expertise in telecommunications and digital technology to become a global leader in solar energy through its FusionSolar division. The company brings advanced AI, IoT, and data analytics into solar optimization, setting new benchmarks in performance and system intelligence. Huawei’s end-to-end solutions are well-suited for large-scale commercial and industrial installations, offering a robust ecosystem of inverters, optimizers, and monitoring software. With global installations spanning over 170 countries, Huawei is accelerating the transition to smarter, safer, and more efficient PV systems worldwide.
- Products: Huawei’s SUN2000-450W-P2 and SUN2000-600W-P optimizers are designed for high-efficiency applications and feature cutting-edge AI algorithms for energy forecasting and fault detection.
- Unique Selling Points: AI integration, high durability, and scalability for commercial projects.
5. DEYE
- Headquarters: Ningbo, Zhejiang, China
- Founded: 2007
- Recent Developments: In 2024, DEYE introduced the SUN‑XL02‑B optimizer and SUN‑XL20‑B concentrator–optimizer models,
- offering enhanced monitoring, PLC communication, and compatibility with higher voltage arrays.
- Official Website: https://www.deyeinverter.com/
DEYE is a rapidly growing Chinese solar electronics manufacturer known for producing grid‑tie and hybrid inverters as well as photovoltaic optimizers. The company emphasizes robust engineering, affordable pricing, and global compliance features such as IP68-rated enclosures and high-efficiency electronics. Their optimizer products are designed to integrate seamlessly with DEYE inverters and other multi-brand systems, enabling module-level MPPT, rapid shutdown via RSD, and real-time status monitoring via DEYE CLOUD APP. Their modular approach supports retrofit applications and flexible system layouts, making DEYE a rising reputation in global solar optimization technology.
- Products: DEYE’s SUN‑XL02‑A is a compact module-level optimizer supporting up to 700 W input power, 15 A current, with IP68 rating, module‑level MPPT and rapid shutdown via PLC communication. Ideal for installations with shading or variable orientations.
- Unique Selling Points:High conversion efficiency (up to 99.5%) and module-level MPPT boosting output by 5–25%; Built for harsh conditions with IP68 and wide temperature range (-40°C to +85 °C); Plug-and-play installation without extra communication wiring using PLC.
6. Xandex
- Headquarters: Petaluma, California, USA
- Founded: 1981
- Recent Developments: Xandex upgraded SunMizer for rooftop applications in 2025.
- Official Website: https://www.xandex.com/
With decades of experience in electronics, Xandex developed the SunMizer brand to address inefficiencies in rooftop solar applications. Focused on delivering simple yet effective optimization, Xandex has positioned itself as a reliable provider for installations where partial shading or non-ideal orientations pose challenges. Their semiconductor-based technology provides long-term stability and efficient power management in residential PV systems. Xandex’s commitment to product quality and ease of use has earned them a dedicated following among installers and integrators.
- Products: SunMizer power optimizers are engineered to provide reliable DC optimization in rooftop and small-scale commercial installations.
- Unique Selling Points: Niche focuses on high-performance optimization.
7. Enteligent
- Headquarters: California, USA
- Founded: 2021
- Recent Developments: Expanding product line to meet the needs of solar energy systems.
- Official Website: https://www.enteligent.com/
Enteligent is a new and dynamic player in the solar industry, focused on the convergence of solar generation and electric vehicle (EV) infrastructure. The company aims to optimize every watt of solar energy by combining power optimization with intelligent EV charging capabilities. Its hardware and software solutions are tailored for high-efficiency use cases, particularly in residential and light-commercial settings. Enteligent’s forward-thinking approach addresses the growing need for multi-functional solar hardware, with a focus on fast shutdown, data intelligence, and vehicle-to-grid readiness.
- Products: Enteligent’s flagship NMax Rapid Shutdown Device (RSD) doubles as a power optimizer and safety controller.
- Unique Selling Points: Integrated optimization, fast shutdown, and monitoring functions.
8. GNE
- Headquarters: Jiangsu, China
- Founded: 2013
- Recent Developments: Expanding domestic and international market influence.
- Official Website: https://www.gnetek.com/
GNE has established itself as a reliable manufacturer of photovoltaic components, with a strong emphasis on environmental resilience and system efficiency. The company serves both domestic and international markets, providing cost-effective solutions that meet the needs of system integrators and installers. GNE optimizers are particularly suited for adverse weather environments and varying rooftop conditions, offering reliable power regulation and module-level monitoring. Their dedication to research and quality control has helped them grow steadily in an increasingly competitive market.
- Products: GNE’s flagship product, the GNE 650 photovoltaic optimizer, is designed to maximize power extraction under varied environmental conditions.
- Unique Selling Points: Reliable and efficient under adverse conditions.
Conclusion
As one of the top 8 manufacturers, HIITIO is committed to delivering innovative and reliable solar power optimizers. Our products are engineered to maximize energy output, ensuring optimal performance even in challenging conditions like shading or panel mismatch. Certified by CE, TUV, and CSA, HIITIO optimizers meet the highest international standards, making them an ideal choice for residential, commercial, and industrial solar systems. Visit us at HIITIO or reach out to our expert team for a tailored solution that meets your needs.
