P-5

Ancillary Service Prices, Day Ahead Market

11/09/2004

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
01:000.20.20.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.450.450.25500.250.250.2550
06:0030.390.25751.990.250.2575
07:001.990.20.2751.990.20.275
08:0030.320.325030.320.3250
09:0030.320.323530.320.3235
10:0030.20.23530.20.235
11:0030.20.21430.20.214
12:0030.20.21430.20.214
13:0030.20.21430.20.214
14:0030.20.21430.20.214
15:0030.20.21430.20.214
16:0030.20.25030.20.250
17:00120.360.3635120.360.3635
18:0060.360.363560.360.3635
19:001.990.360.36161.990.360.3616
20:005.50.350.35355.50.350.3535
21:0060.360.365060.360.3650
22:0060.20.25060.20.250
23:001.261.261.26201.261.261.2620