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Study on the green roofs of International House and Daramu House finds green roofs make solar panels more efficient.

Would surrounding rooftop solar panels with green plants make them more efficient? The answer, as it turned out, was yes. Tzannes designed International House Sydney and Daramu House have been featured in an ABC article about a recent City of Sydney funded research study comparing the roofs of both buildings in Barangaroo, which looks at the benefits provided by the green roof. Although the article focuses on the improvement in efficiency to the solar panels, the study also investigates the benefits on stormwater filtration, thermal insulation, biodiversity and Urban Heat Island effect.