P-5

Ancillary Services Prices, Day Ahead Market

05/24/2007

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)
00:000.20.20.2450.20.20.245
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:000.840.840.2556.080.250.250.2556.08
07:00770.560770.560
08:007.57.50.560770.560
09:00147.51.1150.617.611.111.1150.61
10:00107.5251.58.56251.5
11:00147.53.5653.0610.063.563.5653.06
12:00147.5251.58.52251.5
13:0016.510251.58.52251.5
14:0016.510251.58.52251.5
15:0023.65104.1553.6510.654.154.1553.65
16:0034.47104.1564.4710.654.154.1564.47
17:0031.17104.1561.1710.654.154.1561.17
18:00147.5453.510.54453.5
19:00103.53.0152.519.513.013.0152.51
20:0011.855.353.3352.839.833.333.3352.83
21:0011.294.79248.58.52248.5
22:0074.40.54774.40.547
23:000.250.250.25470.250.250.2547