Method and equipment for providing a snow storage with heat insulation

A method of providing a snow storage with heat insulation, the method comprising covering a snow pile made at a snow storage site with heat-insulating materials of which at least some are insulation boards, wherein

• the insulation of the snow pile is carried out by using insulation board mats which include several insulation boards, or insulation board groups consisting of several insulation boards attached against each other, side by side and/or one after another, and which are pivotably joined together, alternately at upper corners and lower corners of their opposite transversal end edges, the resulting continuous insulation board mat composed of several insulation boards one after another being foldable into an accordion shaped insulation board bundle and re-openable into a continuous insulation board mat,
• as the snow pile is heat-insulated, the accordion shaped insulation board bundles are opened up and pulled to lie side by side and/or one after another on a top/sides of the snow pile, the insulation board mats which have been opened up and pulled onto the snow pile thus covering at least a portion of the snow pile,
• as the insulation board mats are removed from the snow storage, the insulation board mats are pulled off the snow pile and folded back into insulation board bundles with an accordion shaped configuration.