P-5

Ancillary Services Prices, Day Ahead Market

07/31/2006

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)
00:000.250.250430.250.25043
01:000.250.250430.250.25043
02:000.250.250430.250.25043
03:000.20.20430.20.2043
04:000.20.20430.20.2043
05:000.250.250430.250.25043
06:000.20.20430.20.2043
07:003.493.490433.493.49043
08:0074.1904374.19043
09:0074.790.54374.790.543
10:0026.1310355.1319.133355.13
11:0038.6610367.6631.663367.66
12:0046.0410274.0438.042274.04
13:0016.510345.59.53345.5
14:0016.510244.58.52244.5
15:0012.2810244.58.56.22244.5
16:0016.5102758.52275
17:0012.5100.57574.50.575
18:0028.2421.742758.52275
19:0035.1210375304.88375
20:0022102752210275
21:0022.8110258.8122.8110258.81
22:00102.490.246102.490.246
23:005.074.840430.250.02043