P-5

Ancillary Service Prices, Day Ahead Market

03/04/2004

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)
00:000.20.20.2250.20.20.225
01:000.370.370.37250.370.370.3725
02:000.370.370.37200.370.370.3720
03:000.370.370.37200.370.370.3720
04:000.370.370.37200.370.370.3720
05:000.370.370.37200.370.370.3720
06:003.250.50.5203.250.50.520
07:003.250.20.2113.250.20.211
08:003.250.20.2113.250.20.211
09:003.250.350.35113.250.350.3511
10:003.250.20.2113.250.20.211
11:003.250.20.2113.250.20.211
12:003.250.160.16113.250.160.1611
13:003.250.160.16113.250.160.1611
14:003.250.160.16113.250.160.1611
15:003.250.160.16113.250.160.1611
16:00120.150.1535120.150.1535
17:003.250.160.16113.250.160.1611
18:003.250.20.2113.250.20.211
19:003.250.20.2113.250.20.211
20:00120.20.211120.20.211
21:003.250.150.15253.250.150.1525
22:0030.20.22530.20.225
23:0030.190.192530.190.1925