P-5

Ancillary Services Prices, Day Ahead Market

11/17/2007

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
05:000.250.250.2578.680.250.250.2578.68
06:000.250.250.251000.250.250.25100
07:000.50.50.51000.50.50.5100
08:0070.50.510070.50.5100
09:009.593.090.56070.50.560
10:00103.10.56070.50.560
11:009.523.020.55070.50.550
12:0073.020.55073.020.550
13:0073.020.55073.020.550
14:0073.020.55073.020.550
15:0073.020.55073.020.550
16:00103.090.58570.50.585
17:009.993.493.4983.049.993.493.4983.04
18:0010.463.893.8983.5110.393.893.8983.51
19:009.993.493.49809.993.493.4980
20:009.593.093.09809.593.093.0980
21:009.513.010.54570.50.545
22:0070.50.58570.50.585
23:000.250.250.25450.250.250.2545