The cooperative aims to provide its members with economic benefits through joint self-help, promoting renewable energy and sustainable energy use, as well as storing renewable energy, particularly through the production, storage, and trade of renewable energy. Furthermore, projects to increase energy efficiency can also be promoted. The cooperative also aims to generate energy from renewable resources using sustainable methods. The cooperative can engage in all commercial, financial, and other activities that are related to or suitable for promoting the purpose of the cooperative. The cooperative can offer consulting and other services in the fields of renewable energy and energy efficiency to third parties. The cooperative can join or support organizations and actions that it feels ideologically connected to. The cooperative promotes the exchange of information among its members and raises awareness among the population about energy issues through its activities. The cooperative can buy, sell, and encumber properties. The cooperative can rent (roof) areas for the installation of photovoltaic and other systems. The cooperative can build, connect, and operate photovoltaic and other systems, as well as build and operate systems for generating or storing renewable energy. The cooperative thus makes a concrete contribution to covering the energy demand with regional, renewable energy sources and to the 2000-watt society.