9 Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrotechnical residential power stations, power controllers, power cables, power switches, power connectors and power wires for use with electrotechnical residential power stations for the regulation, controlling, measurement and organizing the use, reduction and optimization of energy and energy flows in the field of renewable, green energy at home; downloadable computer software, namely, data driven software for accumulation, collection, use and implementation of data for residential home power stations