P-5

Ancillary Service Prices, Day Ahead Market

10/13/2002

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)
00:001.751.751.75351.751.751.7535
01:001.451.451.45351.451.451.4535
02:001.451.451.45351.451.451.4535
03:001.421.421.42121.421.421.4212
04:001.421.421.42121.421.421.4212
05:001.421.421.42121.421.421.4212
06:001.41.41.4161.41.41.416
07:001.991.451.457.51.991.451.457.5
08:001.751.421.427.51.751.421.427.5
09:001.991.551.557.51.991.551.557.5
10:001.751.271.277.51.751.271.277.5
11:0041.351.355041.351.3550
12:0031.351.355031.351.3550
13:0031.261.265031.261.2650
14:0031.261.265031.261.2650
15:0031.71.62501.991.621.6250
16:0031.71.62501.991.621.6250
17:0031.71.62161.991.621.6216
18:0030.680.681630.680.6816
19:0041.271.271641.271.2716
20:0041.281.282041.281.2820
21:0041.421.425041.421.4250
22:001.991.621.62501.991.621.6250
23:001.991.621.62351.991.621.6235