P-5

Ancillary Service Prices, Day Ahead Market

03/22/2004

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)
00:001.750.50.5201.750.50.520
01:000.20.20.2200.20.20.220
02:000.180.180.18200.180.180.1820
03:000.180.180.18200.180.180.1820
04:000.20.20.2200.20.20.220
05:001.7511201.751120
06:003.250.50.5203.250.50.520
07:003.250.20.2113.250.20.211
08:003.250.20.2113.250.20.211
09:003.250.20.2113.250.20.211
10:003.250.190.19113.250.190.1911
11:003.250.190.19113.250.190.1911
12:003.250.180.18113.250.180.1811
13:003.250.180.18113.250.180.1811
14:003.250.170.17113.250.170.1711
15:003.250.180.18113.250.180.1811
16:003.250.170.17113.250.170.1711
17:003.250.180.18113.250.180.1811
18:003.250.20.2113.250.20.211
19:003.250.20.2113.250.20.211
20:003.250.50.5113.250.50.511
21:003.250.20.2113.250.20.211
22:003.250.190.1915.493.250.190.1915.49
23:001.990.20.2201.990.20.220