Plzeňská teplárenská, a.s. with its key products is a social-beneficial power company operating in particular in the territory of the City of Pilsen. The company provides heating energy supply for the purpose of heating and hot water preparation, electric power and cooling energy covering over two thirds of the customer demand from the City of Pilsen – users of these important types of energies. The main scope of business activities of the company is the generation and distribution of heating energy, electric power generation and trade in electricity. The company is certified to provide primary, secondary and tertiary regulation of electricity. One of the first companies in the Czech Republic, in 2003 we entered the market with another interesting product – cold energy. Some of our clients already appreciate our reliable supply of cold for cooling, and furthermore in the technological processes and, especially in summer months, for air-conditioning and cooling of building interiors. In Pilsen, we also realized a few cold sources including the pertinent cold distribution system to the place of use, another source is currently in construction. The company also significantly involves in the field of ecology and waste management.