TL;DR
A new foam-based floating solar PV system with air bubblers has been developed to enhance energy yield and prevent ice in cold climates. Initial tests show promising results, but wider market adoption remains uncertain.
Researchers at Western University have developed a foam-backed floating solar PV system equipped with air bubblers, aimed at improving efficiency and ice management in cold climates. This innovation addresses key challenges faced by floating solar in colder regions and shows promising initial results.
The foam-based floating PV system attaches solar modules to polyethylene foam slabs, elevating the panels about 1 centimeter above water. The foam provides insulation, potentially increasing energy yield in cold conditions. Additionally, the system incorporates air bubblers to prevent ice formation, with minimal energy consumption reported.
Experimental tests conducted in Canada demonstrated that foam-based FPV systems with air bubblers generated more annual energy compared to traditional floating PV models. The system also reduced evaporation from water bodies, offering environmental benefits. Researchers emphasized the system’s economic viability and potential for cold-climate application, with results published in the journal Applied Energy.
Potential Impact of Foam-Based FPV in Cold Regions
This development could expand floating solar’s applicability into colder climates, where ice formation and low temperatures have historically limited performance. The foam-backed design with air bubblers offers a cost-effective solution to improve energy yield and water conservation, making floating PV more versatile and sustainable in diverse environments.
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Advances in Floating Solar Technology for Cold Climates
Floating solar PV has experienced rapid growth globally, with over 10 GW installed as of 2025. Most systems are optimized for warm regions, but cold climates pose unique challenges such as ice buildup and reduced efficiency. Recent research, including foam-based designs, aims to address these issues. Previous innovations have focused on environmental cooling benefits, but cold-region applications require new solutions like insulation and ice prevention.
“The foam-based FPV generated more energy annually compared to other PV models, emphasizing the importance of accurate temperature modeling for cold-climate systems.”
— an anonymous researcher
foam-backed floating solar panels
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Uncertainties About Scaling and Commercial Adoption
While experimental results are promising, it remains unclear how well the foam-based FPV system will perform at larger scales or in diverse water bodies. The economic viability and durability of the system in real-world conditions need further validation before widespread market adoption can occur.
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Next Steps for Testing and Market Integration
Researchers plan to conduct larger-scale trials across different cold regions to validate performance and durability. Further economic analysis and long-term testing are needed to assess feasibility for commercial deployment. Industry stakeholders will monitor these developments to determine potential market entry.
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Key Questions
How does the foam backing improve floating solar performance?
The foam provides insulation, reducing heat loss and potentially increasing energy yield in cold climates. It also elevates the panels slightly above water, helping prevent ice contact.
What role do air bubblers play in this system?
Air bubblers are used to prevent ice formation on the floating PV system by creating bubbles that break ice buildup and promote water circulation, especially during freezing conditions.
Is this system economically viable compared to traditional floating PV?
Initial studies suggest the foam-based FPV system is cost-effective, offering improved energy yield and ice prevention with minimal additional energy use, but full economic assessments are ongoing.
Can this technology be used in large-scale solar farms?
While promising at the experimental level, further research is needed to determine scalability, durability, and cost at the commercial level for large-scale deployment.
What are the environmental benefits of this foam-based FPV system?
In addition to energy generation, the system reduces evaporation from water bodies, contributing to water conservation efforts in water-scarce regions.
Source: CleanTechnica
