LuciSun is a company that has been created by a team of highly-skilled engineers and scientists in the fields of solar energy and energy meteorology. The company specializes in advanced consulting services, simulation tools, data analytics and R&D for the solar energy sector, mostly regarding photovoltaic (PV) applications.

LuciSun offers services to solar energy plant managers, consulting companies, investment entities, and public bodies. These services include energy yield simulation, performance assessment, due diligence, risk assessment, monitoring data analysis, reporting, as well as fault detection and diagnosis. The company has headquarters in Sart-Dames-Avelines, in the province of Walloon Brabant, Belgium.