Heat storage technology has potential to significantly impact climate change. The Dutch are seen as leaders in this space. …
… "Dutch are currently the leaders in the creative deployment of heat storage methods. They store heat underneath roads in the summer and then pump it out again in the winter. And in my talk I mentioned a community in Canada called Drake’s Landing, where they have a community heat storage which collects heat from solar hot water panels … " …
Via MIT: Renewable Energy Leaders
Reference:
Seasonal Heat Storage.