Alternatively, a facility can use ‘off-peak’ electrical energy premiums which happen to be reduce at nighttime to make ice, that may be included right into a setting up’s cooling method to reduce need for energy during the day. It's compressed to twelve bar, heating back as many as ambient temperature. https://purethermal.co.uk/media-news/pure-thermal-webinar-can-icebat-cold-thermal-energy-storage-provide-an-alternative-cooling-design-option/