Integrating Variable Renewable Energy: Challenges and ...

found that operating reserves were lower for the high solar scenario (25% solar) than the high wind scenario (25% wind) (Lew 2013). ... accommodate changes in variable generation. This type of cycling of fossil-fueled generators can result in an increase in wear-and-tear on the units and a decrease in efficiency, particularly from ...

  Reserve, Operating, Generation, Variable, Operating reserve, Variable generation