ClearVue Technologies says its photovoltaic glazing technology is ready for commercial rollout after a successful trial at Perth’s Murdoch University. The results of the study demonstrate the technology’s ability to impact on power generation and thermal efficiency in addition to valuable insight on its impact on a variety of plants.
ClearVue has developed electricity-generating solar glazing technology that integrates into building surfaces, specifically glass and building facades, to provide renewable energy.
The company’s patented technology involves a thin transparent film that sits within two or more layers of window glass, soaking up energy from the sun then delivering its energy to ClearVue’s proprietary panels that border the window glass.
The results from the first stage of the venture’s trial at Murdoch University aimed at gathering power generation, thermal efficiency and plant science data and insights.
It said it had kicked off a Stage 2 plant science trial, aiming at finding the optimum balance between power generation, thermal efficiency, water savings and maximising plant growth across a wide range of species by adjusting photosynthetically active radiation.
The first stage trial started in April 2021 and involved four glazed rooms and an enclosed, unglazed preparation room. The four rooms include one with normal glazing to create a scientific baseline ‘control’ to compare the performance of the ClearVue glazing against a traditional glazed greenhouse.
The other three rooms have different versions of the ClearVue PV solar glazing technology, containing variants using different amounts of nano- and microparticles to looking at optimising power generation and the impact on plant growth dynamics.
The results from the Murdoch trial have demonstrated the performance of ClearVue’s PV glazing both as a power source for the project and a significant contributor to energy reduction in commercial greenhousing, according to ClearVue Executive Chairman Victor Rosenberg.
The ClearVue PV integrated glazing units installed in the greenhouse demonstrate a significant thermal advantage against standard single-glazed panels in the control room, performing better than predicted to demonstrate the readiness of ClearVue PV for commercial applications.
The venture is also building a commercial greenhouse at the Aqua Ignis Hot Springs tourism resort project in the Fujitsuka area in Sendai, Japan, that will be used to supply produce for the resort’s kitchens.
Glazing at the natural sodium chloride, bicarbonate hot springs resort is expected to be completed within weeks and formally opened within the next month or two. It is set to become a significant tourist attraction, with guest visits to the greenhouse, primarily growing strawberries.
The PV glazing panels on the greenhouse are expected to generate approximately 8573 kilowatt hours, or “kWh” of renewable energy per year.
Rosenberg said industry is willing to invest into long-term capital assets that can pay back from both financial and carbon perspectives, something only ClearVue can offer the market today.
The Tomita Technologies greenhouse installation is itself progressing very well and will in addition to offering a commercial greenhouse as a reference point it will also serve as a good demonstration of larger sized ClearVue PV glazing performing in a cold-climate real-world setting.
Last year ClearVue turned heads in Canada after unveiling a model for a six storey net zero or near zero energy-use office block.
The ‘ClearZero’ Archetype design achieves the highest performance under Toronto Green Standard building standards and scores in the top 1 per cent of Canadian office buildings for energy performance according to the company.
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