P-5

Ancillary Service Prices, Day Ahead Market

08/19/2004

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)
00:000.20.20.2200.20.20.220
01:000.320.320.2200.20.20.220
02:000.320.320.2200.20.20.220
03:000.150.150.15200.150.150.1520
04:000.150.150.15200.150.150.1520
05:000.320.320.2200.20.20.220
06:000.380.380.2200.20.20.220
07:000.20.20.2140.20.20.214
08:000.20.20.2140.20.20.214
09:000.20.20.2140.20.20.214
10:000.20.20.2140.20.20.214
11:000.20.20.2140.20.20.214
12:000.20.20.2140.20.20.214
13:000.20.20.2140.20.20.214
14:000.20.20.2140.20.20.214
15:000.20.20.2140.20.20.214
16:000.20.20.2140.20.20.214
17:000.20.20.2140.20.20.214
18:000.180.180.18140.180.180.1814
19:000.170.170.17140.170.170.1714
20:000.20.20.2140.20.20.214
21:000.990.20.2140.990.20.214
22:000.990.20.2140.990.20.214
23:001.271.271.27201.271.271.2720