P-5

Ancillary Services Prices, Day Ahead Market

03/20/2007

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25500.250.250.2550
06:000.250.250.25550.250.250.2555
07:0010.694.19266.58.52266.5
08:0011.693.893.5669.3611.363.563.5669.36
09:0010.063.563.5668.0610.063.563.5668.06
10:0011.693.563.5669.6911.693.563.5669.69
11:0010.393.892.667.19.12.62.667.1
12:0010.393.89256.58.52256.5
13:0010.283.781.8956.398.391.891.8956.39
14:0010.393.890.55570.50.555
15:00103.50.55570.50.555
16:00103.052.5757.529.522.572.5757.52
17:0010.533.053.0568.5310.533.053.0568.53
18:00103.053.0568103.053.0568
19:0013.153.553.5571.1513.153.553.5571.15
20:0021.33.893.8979.321.33.893.8979.3
21:009.593.093.0962.599.593.093.0962.59
22:0070.50.55570.50.555
23:000.30.30.3550.30.30.355