P-5

Ancillary Services Prices, Day Ahead Market

05/16/2008

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
01:003.493.490.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:003.593.590.2553.110.250.250.2553.11
06:002.692.690.25102.930.250.250.25102.93
07:0010.894.390.5101.4770.50.5101.47
08:0014.534.390.1925070.190.19250
09:009.893.390.56070.50.560
10:009.853.350.57070.50.570
11:009.853.350.57070.50.570
12:009.853.350.57070.50.570
13:009.853.350.57070.50.570
14:009.853.350.56070.50.560
15:009.853.350.56070.50.560
16:009.833.330.56070.50.560
17:009.833.330.56070.50.560
18:0073.320.56073.320.560
19:009.833.330.56070.50.560
20:009.883.380.870.37.30.80.870.3
21:0028.513.460.56070.50.560
22:0012.033.890.55070.50.550
23:003.893.890.25450.250.250.2545