P-5

Ancillary Services Prices, Day Ahead Market

04/25/2008

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)
00:002.692.690.25450.250.250.2545
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
05:000.350.350.25540.250.250.2554
06:004.513.490.252500.250.250.25250
07:007.340.840.525070.50.5250
08:0070.50.525070.50.5250
09:0073.230.55073.230.550
10:0073.220.55073.220.550
11:009.723.223.2252.729.723.223.2252.72
12:00404483404483
13:00404.014.0183404.014.0183
14:0037.874480.8737.874480.87
15:0037.784480.7837.784480.78
16:0043.774483404483
17:0038.133.563.5681.1338.133.563.5681.13
18:0022.243.43.465.2422.243.43.465.24
19:0023.413.43.466.4123.413.43.466.41
20:0037.744494.1837.744494.18
21:0042.554410036.1444100
22:0035.043.543.5410010.043.543.54100
23:005.283.090.3450.30.30.345