P-5

Ancillary Service Prices, Day Ahead Market

11/05/2004

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)
00:000.330.330.33200.330.330.3320
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
05:000.450.450.45880.450.450.4588
06:0030.390.25881.990.250.2588
07:004.50.20.2884.50.20.288
08:004.50.320.32884.50.320.3288
09:004.50.20.2884.50.20.288
10:004.50.20.2754.50.20.275
11:004.50.20.217.494.50.20.217.49
12:004.50.20.2144.50.20.214
13:004.50.20.2144.50.20.214
14:004.50.20.2144.50.20.214
15:004.50.20.2144.50.20.214
16:004.50.20.2754.50.20.275
17:00120.350.3595120.350.3595
18:004.50.350.35954.50.350.3595
19:004.50.350.35404.50.350.3540
20:004.50.350.35754.50.350.3575
21:004.50.980.98754.50.980.9875
22:000.450.450.45500.450.450.4550
23:004.50.840.84204.50.840.8420