Gas Turbine - Spinning Reserve - Hot Reserve, Cold Reserve, Spinning Reserve

A spinning reserve is provided by resources that are not putting energy onto the grid but are synchronized to the frequency of the system and can begin providing energy upon receiving a dispatch call. Capacity included in spinning reserve must be fully available to the system operator within 10 minutes of notification. Many regions have a requirement that resources providing spinning reserve must be capable of running for a minimum of two hours after dispatch. In some cases, spinning reserve can also be provided by flexible load that can be curtailed within a 10-minute time window. base load and peak load power plants.