P-5

Ancillary Service Prices, Day Ahead Market

03/03/2004

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
01:000.330.330.33250.330.330.3325
02:000.330.330.33200.330.330.3320
03:000.330.330.33200.330.330.3320
04:000.330.330.33200.330.330.3320
05:003.250.50.5203.250.50.520
06:003.250.50.5203.250.50.520
07:003.250.180.18113.250.180.1811
08:003.250.160.16113.250.160.1611
09:003.250.170.17113.250.170.1711
10:003.250.160.16113.250.160.1611
11:003.250.160.16113.250.160.1611
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
16:003.250.150.15113.250.150.1511
17:00120.160.1611120.160.1611
18:003.250.20.2113.250.20.211
19:003.250.20.2113.250.20.211
20:00120.150.1511120.150.1511
21:003.250.150.15253.250.150.1525
22:001.990.160.16251.990.160.1625
23:001.750.190.19251.750.190.1925