The cooperative aims to promote renewable energies and sustainable energy use through joint self-help, particularly by designing, building, maintaining, operating, renewing and rebuilding photovoltaic systems for solar power generation, so that this electricity can be used by the cooperative itself, fed into the public electricity grid or stored using storage facilities. The cooperative can sell the generated energy at a price advantage and market any surplus. It can carry out all commercial, financial and other activities that are related to the purpose of the cooperative or are suitable for promoting it. It can safeguard the interests of its members against third parties and authorities. The cooperative can participate in other companies in the field of renewable energies. The cooperative can acquire, manage and sell properties, as well as enter into all transactions and conclude contracts that are suitable for promoting the purpose of the cooperative or are directly or indirectly related to it.