) Business concept for energy producers
•Heat storage utilised in district heating (10.)
Potential new energy business opportunities were hence iden-tified for local and national energy operators offering flexibilityservices for balancing the electricity grid and maximising therenewable energy supply. Heat storage options could also play asignificant role in this. From the energy consumers point of view,building owners and facility managers could be interested aboutnew income possibilities from operating buildings as prosumersand selling distributed renewable energy to the grid. Furthermore,large energy consumers could utilise heat recover and selling of theexcess thermal energy to district heating and cooling network.