Pressurized heat accumulator

Combined cycle power plants with cogeneration usually have to continue running even when there is only a low demand for electricity, for example at night. With the help of heat storage systems, the supply of electricity and heat can be decoupled over time. Heat produced in excess of current customer demand can be "temporarily parked" in the storage facility during the day and made available to customers at night when electricity production is lower. The use of storage technology makes CCGT plants even more environmentally friendly.