Thermal energy battery

Modified CO2 cycle for long endurance unmanned underwater vehicles and resultant chirp acoustic capability

Combined energy supply system of wind, photovoltaic, solar thermal power and medium-based heat storage

Modified COcycle for long endurance unmanned underwater vehicles and resultant chirp acoustic capability

Subsurface thermal energy storage of heat generated by concentrating solar power

Concentrating conventional thermal or thermodynamic solar power plant

Method for controlling a thermal power plant using regulated valves

Steam heat storage system

Subsurface thermal energy storage of heat generated by concentrating solar power

SYSTEM AND METHOD FOR ACCUMULATING STEAM IN TANKS FOR SOLAR USE

Power plant having a heat storage medium and a method of operation thereof

Apparatus, system, and methods for mechanical energy regeneration