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At Vela Solaris AG we are committed to making the planning of innovative energy systems simple and reliable! With our in-house developed software suite Polysun, we are world leaders in the digital simulation of energy systems for buildings. Renowned engineering companies, manufacturers and universities in over 40 countries rely on Polysun. Our customers realize efficient and sustainable solutions by cleverly linking all commercially available technologies – from PV, heat pumps, battery systems and energy management systems and many more.

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