Now that the curtain is falling on the era of cheap oil we are reminded once again of the vital role of energy for our existence. Even God appears to have understood the key role of energy, for according to the bible, upon creating the heavens and the earth, God’s second act of creation was to switch the light on (Genesis 1:1-3), providing a vital energy service in advance of anticipated future...

In the XFLEX HYDRO Vogelgrun demonstrator, a run-of-river hydropower plant, hybridization of one turbine-generator unit with battery energy storage system is being investigated. This paper describes integration methodology hybrid control algorithm without replacing existing speed governor unit. Furthermore, comparison performances non-hybrid and discussed, first experiences gained during operat...

This paper presents a new methodology to maximise the income and derive the optimal end of day storage of closed-loop and daily-cycle pumped-storage hydropower plants. The plants participate in the day-ahead energy market as a price-taker and in the secondary regulation reserve market as a price-maker, in the context of the Iberian electricity system. The real-time use of the committed reserves...

Battery storage is an important factor for power systems made up of renewable energy sources. Technologies battery are crucial to accelerating the transition from fossil fuels energy. Between responding electricity demand and using sources, devices will become increasingly important. The aim this study examine how affects a system consisting solar hydroelectric draw conclusions about whether re...

This paper analyzes ownership trends of nonfederal hydropower generating assets from 1980–2003. Previous research has shown that the overall electricity industry is unique in that, because of the extreme inelasticity of demand for power, even small sectors of the industry have the potential to exhibit substantial price setting behavior. Hydropower assets especially, with their unique ability to...