P-5

Ancillary Service Prices, Day Ahead Market

03/30/2004

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)
00:000.50.50.5250.50.50.525
01:001112511125
02:001112011120
03:000.840.840.84200.840.840.8420
04:000.840.840.84200.840.840.8420
05:000.840.840.84200.840.840.8420
06:003.251.271.27203.251.271.2720
07:003.250.340.34353.250.340.3435
08:003.250.320.32353.250.320.3235
09:003.250.320.32353.250.320.3235
10:003.250.20.2123.250.20.212
11:003.250.20.2123.250.20.212
12:003.250.370.37123.250.370.3712
13:003.250.320.32123.250.320.3212
14:003.250.320.32123.250.320.3212
15:003.250.320.32123.250.320.3212
16:003.250.20.2353.250.20.235
17:003.250.350.35123.250.350.3512
18:00120.370.3712120.370.3712
19:003.250.370.37123.250.370.3712
20:003.250.350.35123.250.350.3512
21:003.2511253.251125
22:003.250.330.33253.250.330.3325
23:0030.350.352530.350.3525