P-5

Ancillary Service Prices, Day Ahead Market

10/11/2004

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)
00:000.380.380.2200.20.20.220
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
05:000.320.320.2400.20.20.240
06:000.380.380.2880.20.20.288
07:000.150.150.15880.150.150.1588
08:000.150.150.15880.150.150.1588
09:000.150.150.15550.150.150.1555
10:000.150.150.15550.150.150.1555
11:000.990.150.15140.990.150.1514
12:000.990.20.2140.990.20.214
13:000.990.20.2140.990.20.214
14:000.990.20.2140.990.20.214
15:000.990.20.2140.990.20.214
16:000.170.170.17400.170.170.1740
17:000.170.170.17400.170.170.1740
18:000.180.180.18400.180.180.1840
19:001.990.180.18401.990.180.1840
20:000.180.180.18400.180.180.1840
21:0060.330.335560.330.3355
22:0030.150.155530.150.1555
23:0030.840.842030.840.8420