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Sperra - Fixed-Bottom Solar Foundation for Coastal Resilience

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The Sperra Solar Reef is an innovative solution that addresses the challenges faced by coastal communities due to rising sea levels and climate events. Designed as a fixed-bottom solar foundation, it offers a dual function as a breakwater and a provider of renewable energy, thus enhancing coastal resilience. The Solar Reef employs a semi-permeable concrete structure that not only mitigates coastal flooding by breaking ocean waves but also fosters marine biodiversity by serving as an artificial reef habitat. With its 3D concrete printing (3DCP) technology, the Solar Reef significantly reduces manufacturing costs and carbon emissions when compared to traditional steel foundations. It provides ecological benefits by restoring marine habitats and offering shade to marine life, aiding in water conservation and reducing coral bleaching under extreme heat. By using locally sourced materials, it minimizes environmental impact while providing a cost-effective renewable energy source for coastal and military applications.
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Powering Coastal Communities with Resilient, Clean Energy
In the face of rising sea levels and increasing vulnerabilities to climate events, coastal communities need access to more resilient, sustainable energy infrastructure.

Sperra Solar ReefTM is a groundbreaking innovation in the offshore solar industry. Unlike traditional floating approaches, our solution has a concrete fixed-bottom support structure, setting a new standard for offshore solar cost-effectiveness, robustness, and nature-positivity.

Solar Reef is a living-breakwater solar foundation, providing resilient power for coastal communities and military bases while protecting against the effects of sea-level rise.  Engineered to withstand hurricanes and restore reef habitats, Solar Reef opens up new possibilities for near-shore solar development.

How Does it Work? The Solar Reef features a fixed bottom foundation with a semi-permeable design. The concrete foundation and legs are designed to act as both a breakwater and artificial reef, reducing coastal flooding while promoting marine life colonization. The solar array also offers partial shade during extreme heat waves, aiding with water conservation.

 

Lowest cost ocean electricity

3D concrete printing (3DCP) reduces the capital cost of foundational manufacturing by over 75% compared to similar steel foundations.

Reduced carbon emissionS

Solar Reef’s design uses locally available concrete instead of imported steel, slashing carbon emissions up to 50% compared with all-steel foundations.

Coastal resilience

The Solar Reef’s living breakwater structure helps mitigate coastal flooding by breaking large ocean waves, acting as both breakwater and resilient power generator even during extreme weather.

Ecological Protection

Solar Reef restores dwindling near-shore marine habitats such as oyster fields and coral reefs. Shading provided by the PV array will promote resilience for corals in warming seas, mitigating or preventing coral bleaching.