P-5

Ancillary Services Prices, Day Ahead Market

06/13/2008

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)
00:002.542.540.1450.250.250.145
01:000.20.20450.20.2045
02:000.20.2054.440.20.2054.44
03:000.20.2055.450.20.2055.45
04:000.20.2059.820.20.2059.82
05:002.642.640.154.350.250.250.154.35
06:003.093.090.1112.380.250.250.1112.38
07:00770.160770.160
08:007.487.480.9875.487.487.480.9875.48
09:0010100.987810100.9878
10:0010.05103.5578.0510.05103.5578.05
11:0013.7410478.510.56.76478.5
12:0016.510478.510.54478.5
13:0033.99100.57570.50.575
14:0041.5100.57570.50.575
15:0041.5100.57570.50.575
16:0016.5100.57570.50.575
17:0037.15104.0199.1631.164.014.0199.16
18:0011.494.99478.510.54478.5
19:0010.174.293.6778.1710.174.293.6778.17
20:0019.74.99486.7118.714486.71
21:0012.044.593.5580.0412.044.593.5580.04
22:0011.494.990.55070.50.550
23:004.394.390.25450.250.250.2545