The participation in national and foreign companies and financial institutions, the execution of commercial, financial and fiduciary transactions of all kinds; the purchase, sale, management and administration of movable and immovable assets. The management of public premises. The development, installation, monitoring, maintenance and management, in Switzerland and abroad, of plants for the production of energy, in particular solar energy; the production and sale, in Switzerland and abroad, of electricity derived mainly from solar energy. It may also carry out any operation useful or connected to the social purpose. And this either on its own account or on behalf of third parties.