P-5

Ancillary Service Prices, Day Ahead Market

01/21/2003

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)
00:0031.281.283431.281.2834
01:001.221.221.22221.221.221.2222
02:001.221.221.22121.221.221.2212
03:001.221.221.22121.221.221.2212
04:001.221.221.22121.221.221.2212
05:001.251.251.25221.251.251.2522
06:00141.271.2722141.271.2722
07:00131.281.2822131.281.2822
08:004.251.41.4184.251.41.418
09:004.251.271.27184.251.271.2718
10:0013117.513117.5
11:004.25117.54.25117.5
12:004.25117.54.25117.5
13:004.25117.54.25117.5
14:004.25117.54.25117.5
15:004.25117.54.25117.5
16:004.250.680.68184.250.680.6818
17:00141.950.5271.950.50.527
18:00141.950.5271.950.50.527
19:004.251.9517.51.95117.5
20:004.251.950.57.51.950.50.57.5
21:003.252.511271.951127
22:003.2511273.251127
23:0031.151.152731.151.1527