| Central & South America
Left: An example of the technology used at the Lajeado hydroelectric power plant reservoir
with solutions. With temperature sensors embedded across thousands of modules, the Apollo Flutuantes team implemented a complete fire detection and early warning system, featuring 5400 temperature sensing points per solar island.
Optimising bifacial module
performance was another hurdle The unique reflective characteristics of water as well as albedo-optimised floating platforms both boost back-side solar irradiance, and Tigo optimisers enable precision tuning of each module for maximum output. Monitoring and tuning module performance remotely with Tigo MLPE devices allows for strong performance and confidence in the O&M processes. With advanced Module Level Power Electronics, plant operators gain an invaluable advantage when working on and around floating arrays that are harder to access physically. It is important to note that investors were initially
reluctant to support the use of MLPE on the Apollo Flutuantes system design, which were at first perceived as an expense rather than a value- added investment. However, once the safety and performance benefits such as selective rapid shutdown, mismatch mitigation, and automated telemetry for asset-level insights were made clear, Apollo Flutuantes successfully showed the technology
as an essential layer of risk reduction and energy assurance.
Hybrid renewable energy infrastructure becomes more
than the sum of its parts As solar technology advances, and innovative companies continue to push the boundaries of what is possible, floating solar projects like the Lajeado Floating Photovoltaic Plant are setting important benchmarks for what’s possible with distributed energy generation. By combining hydroelectric power with floating solar, the project maximises the utility of existing infrastructure and natural resources, serving as a model that countries with hydropower can replicate to grow their solar ambitions. For Tigo Energy, the project is another example of
how intelligent hardware and software can unlock new frontiers for renewable energy, even in challenging environments. With safety, optimisation, and system insights baked into the MLPE architecture, energy providers now pursue ever more ambitious and innovative solar projects with greater confidence. As a nation already in the global top ten for
solar electricity generation, the Lajeado Floating Photovoltaic Plant project marks a turning point in the perception of how solar can be deployed across Brazil’s abundant water resources.
More information
www.tigoenergy.com
www.waterpowermagazine.com | August 2025 | 13
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