The study, realization and maintenance of all technical building installations in Switzerland and abroad, in particular in the field of renewable energies; the management, acquisition and sale of related equipment; as well as the trade, operation, rental, installation and maintenance of equipment for the production of all types of energy. The company may create subsidiaries in Switzerland and abroad, as well as branches and hold participations in all companies in Switzerland and abroad. The company may acquire, hold and dispose of real estate, exclusively for commercial use if located in Switzerland, and intellectual property rights. The company may carry out all commercial, financial or other operations that are directly or indirectly related to its purpose. The company may grant loans or guarantees to its associates and to the companies in which it participates and act as guarantor for them.