Other resources of thermal energy storage involve heat or cold created with warmth pumps from off-peak, low cost electrical electric power–a practice known as peak shaving; heat from merged warmth and electric power plants; warmth manufactured from renewable electrical energy exceeding grid need; and waste heat from industrial processes. Built-in: https://purethermal.co.uk/media-news/pure-thermal-webinar-can-icebat-cold-thermal-energy-storage-provide-an-alternative-cooling-design-option/