P-5

Ancillary Service Prices, Day Ahead Market

10/29/2004

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)
00:000.450.450.45200.450.450.4520
01:000.450.450.45200.450.450.4520
02:000.450.450.45200.450.450.4520
03:000.450.450.45200.450.450.4520
04:000.450.450.45200.450.450.4520
05:000.450.450.45500.450.450.4550
06:000.450.450.45950.450.450.4595
07:000.990.330.33750.990.330.3375
08:0030.20.27530.20.275
09:0030.20.27530.20.275
10:0030.20.25030.20.250
11:0030.20.21430.20.214
12:0030.170.171430.170.1714
13:0030.170.171430.170.1714
14:0030.160.161430.160.1614
15:000.990.160.16140.990.160.1614
16:0050.150.155050.150.1550
17:0030.150.155030.150.1550
18:0050.190.195050.190.1950
19:0050.20.27550.20.275
20:0050.20.27550.20.275
21:001.990.370.37951.990.370.3795
22:000.320.320.32950.320.320.3295
23:001.281.281.28201.281.281.2820