Are gas turbines losing their market share to gas engines? This question does not seem to leave the lips of power plant industry players. Gas turbines have conventionally been the sole technology of choice for larger sized heat and power projects. If you ask any industry expert, the situation could slowly but notably be changing, owing to the greater flexibility exhibited by engines. As the tradition in power plants is tested, we compare the two types of power plants (gas turbine and gas engine), giving the pros and cons of each.