P-5

Ancillary Service Prices, Day Ahead Market

08/30/2004

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)
00:000.370.370.2200.20.20.220
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.10.10.1200.10.10.120
06:000.370.370.2750.20.20.275
07:000.20.20.2750.20.20.275
08:000.20.20.2750.20.20.275
09:000.20.20.2140.20.20.214
10:000.20.20.2140.20.20.214
11:000.990.20.2140.990.20.214
12:000.20.20.2140.20.20.214
13:0030.20.21430.20.214
14:0030.20.21430.20.214
15:0030.20.21430.20.214
16:0030.20.21430.20.214
17:0030.20.21430.20.214
18:000.180.180.18140.180.180.1814
19:000.150.150.15140.150.150.1514
20:000.150.150.15140.150.150.1514
21:000.20.20.2140.20.20.214
22:000.20.20.2140.20.20.214
23:000.450.450.45200.450.450.4520