Gas Turb World Cogen refers to the process of co-generation of power and heat through a gas turbine system. Synonyms for this phrase include Combined Heat and Power (CHP), cogeneration, and gas turbine co-generation. The term CHP underscores the simultaneous production of electricity and useful thermal energy from the same source. Cogeneration emphasizes the efficiency and sustainability of the process, as it utilizes waste heat that would otherwise go unused. Gas turbine co-generation specifically highlights the use of a gas turbine engine to generate power. These synonyms are commonly used in the energy industry to highlight the benefits and versatile applications of this efficient and environmentally-friendly power generation method.