P-5

Ancillary Services Prices, Day Ahead Market

02/09/2008

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)
00:0018.555472.6418.555472.64
01:0018.555476.3518.555476.35
02:0018.555483.9518.555483.95
03:0018.555483.918.555483.9
04:0018.555483.9418.555483.94
05:0018.8254123.918.8254123.9
06:003050.375.620.30.30.375.62
07:0036.550.577.9470.50.577.94
08:0036.551.0475.187.541.041.0475.18
09:0036.553559.53355
10:0036.553559.53355
11:0036.55352.59.53352.5
12:0036.550.8450.347.340.840.8450.34
13:0036.550.8450.347.340.840.8450.34
14:0036.550.8450.347.340.840.8450.34
15:0036.550.8450.347.340.840.8450.34
16:0036.550.593.5270.50.593.52
17:0036.550.58570.50.585
18:0026.9950.58570.50.585
19:0036.550.57570.50.575
20:0036.550.57570.50.575
21:0036.550.55070.50.550
22:0036.550.8450.347.340.840.8450.34
23:00345351.7573351.75