The article presents information on geothermal energy as one of the renewable energy sources, discussing its resources, types, energy potential, and economic utilization methods, with a particular emphasis on electricity generation. It examines geothermal resources in Poland, highlighting their untapped potential for electricity production. Examples of commercial hybrid systems for electricity generation in binary geothermal power plants are provided. The concept of an innovative geothermal-solar hybrid system for electricity generation is introduced, along with the potential benefits, such as the widespread use of geothermal resources, solar energy storage, and the production of emission-free energy.