P-5

Ancillary Service Prices, Day Ahead Market

01/03/2003

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
01:001.651.271.27451.651.271.2745
02:001.651.271.27121.651.271.2712
03:001.271.271.27121.271.271.2712
04:001.271.271.27121.271.271.2712
05:001.651.271.27341.651.271.2734
06:0031.281.283431.281.2834
07:00451.271.2755451.271.2755
08:00451.271.2795451.271.2795
09:00451.281.2855451.281.2855
10:00451.261.267.5451.261.267.5
11:00451.251.257.5451.251.257.5
12:00451.261.267.5451.261.267.5
13:00451.251.257.5451.251.257.5
14:00451.251.257.5451.251.257.5
15:00451.251.257.5451.251.257.5
16:004.251.21.2554.251.21.255
17:00451.251.2555451.251.2555
18:00451.251.2555451.251.2555
19:004.251.251.25274.251.251.2527
20:004.251.21.2554.251.21.255
21:00451.21.295451.21.295
22:00451.261.2655451.261.2655
23:0031.261.264031.261.2640