P-5

Ancillary Services Prices, Day Ahead Market

07/28/2010

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)
00:000.310.310300.250.25030
01:000.290.29021.90.250.25021.9
02:000.290.29026.010.250.25026.01
03:000.290.29027.50.250.25027.5
04:000.290.290300.250.25030
05:000.290.290300.250.25030
06:000.290.290300.250.25030
07:001.261.260.1451.261.260.145
08:001.721.320.1451.721.320.145
09:002.751.320.135.252.751.320.135.25
10:003.981.320.139.713.981.320.139.71
11:0071.320.373271.320.3732
12:0092.370.3736.8870.370.3736.88
13:009.999.990.3748.91770.3748.91
14:0013.669.990.375073.330.3750
15:0012.499.990.375074.50.3750
16:00159.990.3752.999.994.980.3752.99
17:0016.629.990.375070.370.3750
18:00159.990.374571.990.3745
19:008.538.530.3745770.3745
20:00770.3732.23770.3732.23
21:005.135.130.37325.135.130.3732
22:001.321.320.1451.321.320.145
23:000.30.30300.250.25030