P-5

Ancillary Services Prices, Day Ahead Market

05/16/2007

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
06:000.250.250.2553.980.250.250.2553.98
07:00770.555770.555
08:008.238.230.555770.555
09:0012.45100.55574.550.555
10:0010100.550770.550
11:0011.9100.54775.10.547
12:0011.59100.54775.410.547
13:0014100.547730.547
14:0014100.547730.547
15:0016.5100.54770.50.547
16:0013.957.450.54770.50.547
17:0014.768.260.54770.50.547
18:001050.547720.547
19:00750.547750.547
20:0011.550.55570.50.555
21:00750.550750.550
22:004.294.290.5474.294.290.547
23:000.250.250.25470.250.250.2547