P-5

Ancillary Services Prices, Day Ahead Market

02/21/2008

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)
00:003.093.093145.7333145.7
01:003.83.83145.5333145.5
02:003.83.83148.59333148.59
03:003.83.83150.03333150.03
04:003.83.83148.12333148.12
05:003.83.83136.093.83.83136.09
06:004053.7120.474053.7120.47
07:0018.115348.549.53348.54
08:0011.553.525510.023.523.5255
09:0030.5453.5548.0510.053.553.5548.05
10:0014.4153.5548.0510.053.553.5548.05
11:0036.553.5248.0210.023.523.5248.02
12:0016.955347.59.53347.5
13:0011.55347.59.53347.5
14:0016.595347.59.53347.5
15:0011.55347.59.53347.5
16:0017.0453.481.499.93.43.481.49
17:0014.0250.578.0370.50.578.03
18:0027.1150.58070.50.580
19:0015.2250.54570.50.545
20:0011.550.54570.50.545
21:0036.55347.59.53347.5
22:0011.55347.59.53347.5
23:0018.824.593.6103.7518.824.593.6103.75