The module reviews the concepts of Energy Integration and storage. Including: Electric power grid overview: Architecture – traditional, smart grid and decentralised. Operational characteristics of generators: Traditional and renewable, technical limitations. Balance of demand and supply: synchronous and non-synchronous generation, frequency response, ROCOF, ancillary services, ramp rate. Electricity fuel mix: Historical trends and future targets, Wind dispatch-down – curtailment & constraint, SEAI & Eirgrid reports. Demand side management: Large industry & plant, data centres, domestic – heating & EV. Grid interconnection, Requirements for energy storage. Characteristics and performance of energy storage systems: Operational and technical characteristics; Economic and environmental characteristics; Applications and end users.