The annual International Conference on Renewable Energy (ICORE 2019) was held in Malang, East Java, Indonesia on August 9 – 10, 2019. This conference is hosted by Universitas Negeri Malang, Indonesia in collaboration with the Centre of Advanced Materials for Renewable Energy (CAMRY). This volume contains papers which were presented at the annual International Conference on Renewable Energy (ICORE 2019, Indonesia, August 9 – 10, 2019) and reflect the results of research and engineering design in the area of modern materials and materials processing technologies for the various branches of modern industrial production.