P-5

Ancillary Services Prices, Day Ahead Market

06/28/2008

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)
00:002.252.250.16450.250.250.1645
01:002.692.690.16450.250.250.1645
02:000.20.20.16450.20.20.1645
03:000.20.20.16450.20.20.1645
04:000.20.20.16450.20.20.1645
05:000.20.20.1653.340.20.20.1653.34
06:000.840.840.1650.150.250.250.1650.15
07:003.373.370.16603.373.370.1660
08:003.373.370.17803.373.370.1780
09:003.893.890.5803.893.890.580
10:003.493.490.5803.493.490.580
11:0074.290.56074.290.560
12:006.954.290.5506.954.290.550
13:0073.390.55273.390.552
14:0011.094.590.574.3570.50.574.35
15:0041.5100.58070.50.580
16:0050.3103.5291.8218.823.523.5291.82
17:0037.56382.59.53382.5
18:0011.34.8281.58.52281.5
19:0073.390.58073.390.580
20:0010.393.891.2880.787.781.281.2880.78
21:0073.490.58073.490.580
22:0073.390.55073.390.550
23:003.373.370.16450.250.250.1645