P-5

Ancillary Services Prices, Day Ahead Market

05/15/2007

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)
00:000.20.20.2450.20.20.245
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:000.250.250.2557.270.250.250.2557.27
07:004.394.390.5554.394.390.555
08:0072.490.55572.490.555
09:0073.080.55573.080.555
10:0073.080.55073.080.550
11:0073.080.55073.080.550
12:0073.080.55073.080.550
13:009.13.080.54770.980.547
14:009.583.080.54770.50.547
15:009.583.080.54770.50.547
16:001040.547710.547
17:001040.547710.547
18:001040.547710.547
19:001040.547710.547
20:0010.54256.58.52256.5
21:007.2940.54773.710.547
22:003.982.590.5473.982.590.547
23:000.250.250.25470.250.250.2547