P-5

Ancillary Service Prices, Day Ahead Market

01/01/2003

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:001.251.251.25341.251.251.2534
01:001.251.251.25451.251.251.2545
02:001.221.221.22121.221.221.2212
03:001.221.221.22121.221.221.2212
04:001.221.221.22121.221.221.2212
05:001.221.221.22401.221.221.2240
06:00451.41.434451.41.434
07:00141.281.2827141.281.2827
08:00141.271.2727141.271.2727
09:00141.281.2827141.281.2827
10:00141.271.277.5141.271.277.5
11:00141.271.277.5141.271.277.5
12:00141.271.277.5141.271.277.5
13:00141.271.277.5141.271.277.5
14:00141.271.277.5141.271.277.5
15:00141.271.277.5141.271.277.5
16:00141.261.2627141.261.2627
17:00141.261.2627141.261.2627
18:00141.261.2627141.261.2627
19:00141.261.2627141.261.2627
20:00141.261.2623141.261.2623
21:00141.271.2727141.271.2727
22:003.251.281.28553.251.281.2855
23:00451.41.434451.41.434