You might be interested to read about a seasonal thermal storage project in Vojens, Denmark: https://deepresource.wordpress.com/2020/12/16/district-heating-wit

You might be interested to read about a seasonal thermal storage project in Vojens, Denmark: https://deepresource.wordpress.com/2020/12/16/district-heating-with-seasonal-storage-in-vojens-denmark/ https://deepresource.wordpress.com/2020/12/16/district-heati...