Abstract: An energy transmission system is provided for a power generation plant including plural distributed power generation devices and a flow battery system that includes plural charging stacks including electrochemical flow cells, wherein each charging stack is associated with one or a group of the power generation devices of the power generation plant and wherein each charging stack is configured to receive electrical energy produced by the associated power generation device or group of power generation devices and to energize an electrolyte of the flow battery system by the received electrical energy; a central storage unit configured to store the electrolyte of the flow battery system; a discharging stack including electrochemical flow cells, wherein the discharging stack is configured to extract electrical energy from the electrolyte and to provide the electrical energy to a power grid. A wind farm including wind turbines and including such energy transmission system is further provided.

Abstract: A method for increasing the energy output of an already installed solar power plant is provided including at least one first solar panel, which is absorbing sunlight in a first frequency band, wherein a semi-transparent second solar panel, which absorbs light in a second frequency band, is mounted on top of at least one of the at least one first solar panel and connected to a power electronics device of the solar power plant including at least one solar inverter, wherein the first and second frequency bands do not or only partially overlap such that the second solar panel allows at least a part of the light of the first frequency band to pass.

Abstract: An energy transmission system is provided for a power generation plant including. plural distributed power generation devices and a flow battery system that includes plural charging stacks including electrochemical flow, wherein each charging stack is associated with one or a group of the power generation devices of the power generation plant and wherein each charging stack is configured to receive electrical energy produced by the associated power generation device or group of power generation devices and to energi/e an electrolyte of the flow battery system by the received electrical energy; a central storage unit configured to store the electrolyte of the flow battery system; a discharging stack including electrochemical flow cells, wherein the discharging stack is configured to extract electrical energy from the electrolyte and to provide the electrical energy to a power gri A wind farm including wind turbines and including such energy transmission system is further provided.

Abstract: Provided is a hydrogen production system including a thermal energy storage having a housing, a storage chamber with heat storage material inside the storage chamber and a fluid inlet port fluidically connected to the storage chamber and a fluid outlet port fluidically connected to the storage chamber, and at least one high temperature electrolyser for producing hydrogen, whereby the at least one high temperature electrolyser is thermally connected to the heat storage material of the storage chamber of the thermal energy storage. Several modes of operation are defined. A method for producing hydrogen in the hydrogen production system is also provided.

Abstract: The following relates to a Foundation for a wind turbine, including base means with a center zone and an outer zone, wherein the outer zone is configured for carrying most of the weight of the wind turbine. In the center zone, the base means include a chamber, wherein the foundation further includes energy storage means, wherein the energy storage means includes a flywheel pivotally arranged within the chamber for storing rotational energy, is provided. The energy storage means further includes transmission means for transforming energy of a wind turbine into rotational energy of the flywheel and for transforming rotational energy of the flywheel into electrical energy. The following further relates to a wind turbine and to a method for storing and using energy generated by a wind turbine.