Ensuring common access to electricity requires an efficiently operating system for its generation, transmission and distribution. All equipment connected to it, including consumer facilities, form the Polish Power System.
Electric energy supplied to our homes is generated mainly in power plants and combined heat and power (CHP) plants. In Poland, the basic energy generating sources are thermal power plants in which energy is generated as a result of combustion – usually by burning hard coal or lignite. The largest cluster of those plants is situated in the southern part of the country. In large cities, CHP plants operate which are mostly fired with coal, but also natural gas. Renewable energy sources (RES) are also developing: wind, hydro, biomass and photovoltaic.
Energy transmission from power plants to consumers is possible over an extensive network of power lines and electrical substations. Different voltage levels are used to optimise costs, depending on the distance over which electricity is transmitted.