P-5

Ancillary Service Prices, Day Ahead Market

07/18/2004

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)
00:001.271.271.27201.271.271.2720
01:002.522.521.27201.271.271.2720
02:000.360.360.36200.360.360.3620
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.20.20.2200.20.20.220
06:000.340.340.34200.340.340.3420
07:000.340.340.34120.340.340.3412
08:000.20.20.2120.20.20.212
09:000.20.20.2120.20.20.212
10:000.20.20.2120.20.20.212
11:000.20.20.2120.20.20.212
12:000.990.20.2120.990.20.212
13:000.990.20.2120.990.20.212
14:001.990.20.2121.990.20.212
15:0030.20.21230.20.212
16:0030.20.21230.20.212
17:0030.20.21230.20.212
18:000.20.20.2120.20.20.212
19:000.20.20.2120.20.20.212
20:000.20.20.2120.20.20.212
21:000.990.20.2120.990.20.212
22:000.340.340.34120.340.340.3412
23:001.261.261.26201.261.261.2620