P-5

Ancillary Service Prices, Day Ahead Market

12/13/2004

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)
00:000.990.990.99200.990.990.9920
01:000.450.450.45200.450.450.4520
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.450.450.45200.450.450.4520
05:00220.99350.990.990.9935
06:00520.99551.990.990.9955
07:0050.20.26550.20.265
08:0050.20.26550.20.265
09:0050.20.23550.20.235
10:0050.20.23550.20.235
11:0050.20.21450.20.214
12:0050.20.21450.20.214
13:0050.20.21450.20.214
14:0050.20.21450.20.214
15:0040.20.21440.20.214
16:00120.20.235120.20.235
17:00120.390.3935120.390.3935
18:00120.390.3935120.390.3935
19:0050.390.391650.390.3916
20:0050.20.23550.20.235
21:0050.20.23550.20.235
22:0050.390.3917.4950.390.3917.49
23:00420.99201.990.990.9920