Tigo Energy and Weco Certify MLPE–Inverter Compatibility for Simpler PV Design

Tigo Energy and Weco Formalize MLPE and Hybrid Inverter Compatibility to Streamline Residential Solar System Design

Tigo Energy, Inc. (NASDAQ: TYGO), a global leader in intelligent solar optimization and energy software solutions, has announced the successful certification of compatibility between its Flex MLPE (Module Level Power Electronics) portfolio and hybrid solar inverters manufactured by Weco S.r.l. This certification represents an important milestone in simplifying photovoltaic (PV) system design while enhancing performance, flexibility, and long-term value for residential solar customers.

The newly signed certificate of compatibility formally documents that selected single-phase and three-phase hybrid inverters from Weco operate seamlessly with multiple products from Tigo’s TS4-A and TS4-X families, provided systems are correctly designed and installed. By validating the interoperability of these technologies, the two companies are addressing a key challenge in the residential solar market: ensuring reliable, high-performance system integration without increasing complexity for installers or designers.

Together, the Tigo and Weco solutions create a tightly integrated solar energy system capable of generating, optimizing, monitoring, and managing energy more efficiently. This approach aligns with the growing demand from homeowners for advanced energy features such as improved safety, higher yields, greater design flexibility, and future-ready system architectures that can integrate storage, backup power, and energy management software.

Supporting Smarter and More Flexible System Design

At the heart of the certification is the ability for solar professionals to design systems with greater confidence and freedom. Compatibility between Tigo Flex MLPE products and Weco hybrid inverters enables installers to optimize PV arrays at the module level while maintaining predictable inverter behavior and smooth commissioning.

According to Federico Cusumano, Research and Development Manager at Weco S.r.l., the certification is a meaningful advancement not only for the two companies, but for the solar industry as a whole.

“The compatibility between our inverter solutions and Tigo optimizers represents a significant step forward for the entire industry, and confirms our commitment to simplifying the work of solar professionals,” Cusumano said. “Thanks to this certification, designers and installers can now benefit from greater sizing flexibility to optimize system configurations according to the precise requirements of each customer site.”

Residential rooftops often present challenges such as irregular shapes, multiple orientations, partial shading from trees or nearby buildings, and varying module types. By combining Weco hybrid inverters with Tigo’s module-level optimization, installers can overcome these constraints more effectively, tailoring system designs to maximize energy production without being limited by string-level restrictions.

Enhanced Performance Under Real-World Conditions

One of the primary advantages of MLPE technology is its ability to improve system performance in non-ideal conditions. Tigo’s Flex MLPE solutions allow individual modules to operate independently, reducing the impact of shading, soiling, module mismatch, or degradation on overall system output.

When paired with Weco hybrid inverters, this capability becomes especially valuable in residential applications where site conditions can vary significantly. The optimized systems can deliver more stable and predictable energy production across different times of day and seasons, helping homeowners extract greater value from their solar investment.

In addition to performance gains, the certified compatibility ensures that safety features function as intended. Tigo’s MLPE products are designed to support rapid shutdown and enhanced module-level monitoring, contributing to safer installations and easier maintenance. These features are increasingly important as safety regulations tighten and homeowners demand greater transparency into system performance.

A Focus on Installer Experience and Reliability

Beyond performance and safety, the certification emphasizes ease of installation and operational reliability. For installers, compatibility certifications reduce uncertainty during system design and commissioning, minimizing the risk of unexpected behavior once systems are deployed.

Gal Bauer, Senior Director of Validation, Growth, and Product Management at Tigo Energy, highlighted the importance of empowering installers while keeping system complexity in check.

“For Tigo, this announcement is first and foremost about giving installers greater control at the module level without adding complexity to system design,” Bauer said. “Certified compatibility with Weco inverters ensures that Tigo Flex MLPE technology can be deployed exactly where it delivers the most value, while maintaining a smooth commissioning process and predictable system behavior.”

This approach reflects Tigo’s broader strategy of building an open, flexible ecosystem that supports a wide range of inverter partners. Rather than locking customers into proprietary architectures, Tigo aims to provide solutions that integrate easily into diverse system configurations while maintaining high standards of safety, performance, and reliability.

Building an Integrated Residential Energy Ecosystem

The collaboration between Tigo and Weco also reflects a broader shift in the residential solar market toward integrated energy ecosystems. Hybrid inverters play a central role in this transition, enabling the integration of solar generation, energy storage, backup power, and intelligent energy management.

By ensuring compatibility between MLPE and hybrid inverters, the two companies are helping to future-proof residential systems. Homeowners can more easily expand their installations, add batteries, or integrate energy management features without the need for major system redesigns.

To further support education and adoption, Tigo and Weco plan to host a joint webinar for solar installers and system designers. The session will provide a deeper overview of both product portfolios and feature real-world case studies that demonstrate how the technologies work together in practical installations. This initiative underscores the companies’ shared commitment to knowledge sharing and professional development within the solar industry.

Advancing Industry Standards Through Collaboration

As the solar market continues to mature, formal compatibility certifications are becoming increasingly important. They help establish clear expectations for system performance, reduce installation risks, and build trust among installers, distributors, and end customers.

The Tigo–Weco certification stands as an example of how collaboration between technology providers can accelerate industry progress. By aligning hardware and software solutions around common standards and validated performance, manufacturers can help drive broader adoption of solar energy while improving the overall customer experience.

For both companies, the agreement reinforces their commitment to innovation, openness, and long-term value creation. By simplifying PV system design and enhancing operational performance, Tigo Energy and Weco are contributing to a more resilient, intelligent, and accessible residential solar market.

As demand for distributed energy solutions continues to grow worldwide, partnerships like this one are likely to play a critical role in shaping the next phase of residential solar deployment—where flexibility, safety, and intelligent energy management are as important as raw power generation.

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