P-5

Ancillary Service Prices, Day Ahead Market

07/24/2004

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)
00:000.450.450.25200.250.250.2520
01:000.840.840.25200.250.250.2520
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.20.20.2200.20.20.220
06:000.450.450.25200.250.250.2520
07:000.20.20.2120.20.20.212
08:000.20.20.2120.20.20.212
09:000.20.20.2120.20.20.212
10:001.750.20.2121.750.20.212
11:001.750.20.2121.750.20.212
12:000.20.20.2120.20.20.212
13:000.20.20.2120.20.20.212
14:000.20.20.2120.20.20.212
15:000.20.20.2120.20.20.212
16:000.20.20.2120.20.20.212
17:001.750.20.2121.750.20.212
18:000.20.20.2120.20.20.212
19:000.20.20.2120.20.20.212
20:000.20.20.2120.20.20.212
21:000.20.20.2120.20.20.212
22:000.320.320.32120.320.320.3212
23:001.481.481.48201.481.481.4820