This booklet represents the proceedings of the workshop "Materials for Energy and Power Engineering" held in September 2012 during the IWK 2012 in Ilmenau. Here, the latest developments related to materials in energy and power engineering are reported. This comprises the latest research results and developments from university and industry. The topics are covering advanced materials for energy transport, advanced materials for energy distribution and delivery, advanced materials for energy storage, advanced materials for energy conversion, and advanced materials for energy control and management. Thus, it gives a current overview of the field of materials for energy and power engineering.