To build a harmonious world where human development is compatible with environmental sustainability, energy utilization tends to be more natural. This perspective article reveals the natural essence of energy utilization and discusses the natural future in different energy domains by representative examples and applications. To clarify the natural essence of energy utilization, it also presents some characteristics with reference to stability, safety, feasibility, efficiency and eco-sustainability. Copyright (C) 2017 John Wiley & Sons, Ltd.