Tigo Energy and Weco Expand Solar Design Flexibility with New Certified Compatibility

Montevarchi, Italy — In a significant development for solar system installers and designers, Tigo Energy, Inc. and Italian inverter maker Weco have confirmed that key Weco hybrid inverters are now officially certified as compatible with Tigo’s module-level power electronics (MLPE) products. This certification is expected to simplify photovoltaic (PV) system design while offering greater flexibility and performance across diverse solar installations.

Certified Compatibility Enhances Design Confidence

The certification covers several Weco single-phase and three-phase hybrid inverter models, which have been tested and validated to work seamlessly with products from the Tigo TS4-A and TS4-X device families when installed correctly. This compatibility allows solar technicians to combine Tigo’s Flex MLPE technology with Weco’s inverters without unexpected performance issues or design incompatibilities.

According to officials from both companies, this compatibility ensures that Tigo’s module-level devices can deliver value precisely where installers need flexibility and control — without adding unnecessary complexity to the overall system design and commissioning process.

A Focus on Installer Experience

Gal Bauer, Senior Director of Validation, Growth, and Product Management at Tigo Energy, said the certification is centered on “giving installers greater control at the module level” while still maintaining a smooth installation and predictable system behavior. By certifying compatibility with Weco inverters, the companies aim to reduce design challenges and support faster system deployment.

Installers have often had to evaluate compatibility on a case-by-case basis when mixing MLPE hardware with third-party inverters. With this announcement, Tigo and Weco provide a clear pathway for choosing compatible equipment sets, helping avoid surprises during the engineering and commissioning phases.

Benefits of Tigo MLPE Technology

Tigo’s MLPE devices — including the TS4-A and TS4-X product lines — are designed to enhance solar performance by increasing energy harvest, improving safety monitoring, and enabling real-time module-level data. These features help reduce operating costs and improve system visibility for installers and owners alike.

When paired with compatible inverters, MLPE systems also support advanced rapid shutdown capabilities and module-level optimization. The Tigo platform is widely recognized for its flexibility in integrating with a broad range of solar components.

What This Means for Solar System Projects

With the new certified compatibility, solar designers can now confidently plan systems that use Weco hybrid inverters alongside Tigo MLPE solutions, knowing that both manufacturers have verified interoperability. This contributes to several key advantages:

• Improved Design Versatility: Greater choice of inverter and MLPE pairings helps optimize system configurations.
• Smoother Installation: Certified product combinations reduce the need for ad-hoc compatibility testing.
• Predictable Performance: Verified hardware interoperability helps minimize unexpected system behavior.
• Faster Commissioning: Installers can complete system setup more efficiently with pre-approved component pairings.

About Tigo Energy

Tigo Energy, Inc., listed on the NASDAQ under the ticker TYGO, is a global provider of MLPE solutions for solar systems. Its technologies are designed to maximize PV performance and support enhanced safety, monitoring and energy production at the module level. The company’s Tigo Flex MLPE technology is widely deployed across residential, commercial, and utility-scale installations.

About Weco

Weco is an Italian company specializing in advanced energy storage systems and hybrid inverters for residential, commercial, and industrial solar applications. The company’s inverter lineup is tailored to pair with modern MLPE systems, enabling customers to achieve higher efficiency and better energy management.

Future of Solar Integration

This certification marks another step toward broader industry cooperation between module-level electronics providers and inverter manufacturers. As PV technology evolves and system designs become more complex, pre-certified combinations like those between Tigo and Weco are expected to become increasingly valuable for solar professionals seeking reliable and efficient solutions.

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