Abstract: A solar energy system comprising: solar collector having thermo-oil piping and three thermo-oil valves; three tanks each having steam inlet and outlet valves; an electric generator device downstream of the three tanks; and a controller, wherein a flow of thermo-oil is alternatively controllable to flow into each of the three tanks wherein fluid in the three tanks is alternatively heatable to a gaseous phase and providable to the electric generator device for producing electrical energy.

Abstract: A solar energy system comprising: solar collector having thermo-oil piping and three thermo-oil valves; three tanks each having steam inlet and outlet valves; an electric generator device downstream of the three tanks; and a controller, wherein a flow of thermo-oil is alternatively controllable to flow into each of the three tanks wherein fluid in the three tanks is alternatively heatable to a gaseous phase and providable to the electric generator device for producing electrical energy.

Abstract: Apparatus for remotely and/or non-invasively obtaining a temperature of a fluid being heated by an electrical heating element, the apparatus comprising: a switch for governing supply of electrical power to said heating element, said switch being controllable to stop the supply of said electrical power to said electrical heating element for a duration sufficient for said heating element to reach temperature equilibrium with said fluid, a signal generation unit, coordinated with said switch, for sending an electrical signal to said heating element when said heating element has reached said temperature equilibrium, and a measurement unit for measuring a measurable property of said electrical signal, said measurable property having a temperature dependency, to determine the temperature of said heating element and thereby to infer the temperature of said fluid.