P-5

Ancillary Service Prices, Day Ahead Market

02/13/2003

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)
00:001.31.271.27401.31.271.2740
01:001.31.31.3451.31.31.345
02:001.31.31.3131.31.31.313
03:001.31.31.3131.31.31.313
04:001.31.31.3131.31.31.313
05:002.52.431.4301.751.41.430
06:002.51.41.4292.51.41.429
07:004.251.41.484.251.41.48
08:004.251.281.2884.251.281.288
09:0081.281.28881.281.288
10:004.251.41.484.251.41.48
11:0081.271.27881.271.278
12:0081.251.25881.251.258
13:0081.251.25881.251.258
14:0081.251.25881.251.258
15:0081.261.26881.261.268
16:004.251.281.28184.251.281.2818
17:00111.41.48111.41.48
18:00141.41.418141.41.418
19:004.251.271.2784.251.271.278
20:0031.261.261831.261.2618
21:002.51.261.26292.51.261.2629
22:002.51.271.27402.51.271.2740
23:0031.281.284031.281.2840