P-5

Ancillary Services Prices, Day Ahead Market

02/20/2008

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)
00:003.993.993.676.453.63.63.676.45
01:003.993.993.676.723.63.63.676.72
02:003.993.993.676.633.63.63.676.63
03:003.993.993.676.953.63.63.676.95
04:003.993.993.677.693.63.63.677.69
05:0041.4853.52147.37403.523.52147.37
06:005.4653.5466.8243.543.5466.82
07:0015.4250.572.570.50.572.5
08:0027.0650.57570.50.575
09:0036.55352.59.53352.5
10:0036.553559.53355
11:0036.550.5450.047.040.540.5450.04
12:0036.550.55070.50.550
13:0036.550.55070.50.550
14:0036.550.55070.50.550
15:0034.8450.55070.50.550
16:0036.550.58570.50.585
17:0027.1250.58570.50.585
18:0036.550.58570.50.585
19:0021.7850.55070.50.550
20:0033.0550.58070.50.580
21:0032.2351.02807.521.021.0280
22:0035.025477.0234.024477.02
23:00553.5548.33.553.553.5548.3