Market for ancillary services
{"Image DocumentName": "Market for ancillary services", "Image ImageDescription": "Different markets for different services. Long term contracts. For services where quantity needed does not change and availability depends on equipment characteristics. Example: blackstart capability, intertrip schemes, power system stabilizer, frequency regulation. Spot market. Needs change over the course of a day. Price changes because of interactions with energy market. Example: reserve. System operator may reduce its risk by using a combination of spot market and long term contracts. \u00a9 2011 D. Kirschen and the University of Washington.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}