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Today, the electrochromic SW technology is the only technology that has matured enough to reach a tipping point for large scale implementation.

The future market of SW and zero energy buildings (SWEB) will rely on a variety of innovative SW solutions and products in order to meet the market growth potential and address the grand environmental challenges faced by EU to achieve and sustain a zero energy buildings market. Development of non-toxic, earth abundant, long-term functional SW materials (photochromic, thermochromic, electrochromic, transparent conducting), along with implementation of cost-effective, robust and industrially scalable, rapid, resource saving technologies for fabrication of low-cost thin film SW and chromogenic devices with flexibility in design, such as photochromic, thermochromic and electrochromic SW, self-powered SW – the basis for zero energy buildings, smart cities and smart villages.