P-5

Ancillary Services Prices, Day Ahead Market

07/29/2010

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)
00:000.360.360300.250.25030
01:000.330.330200.250.25020
02:000.340.340200.250.25020
03:000.340.340200.250.25020
04:000.340.340300.250.25030
05:000.340.340300.250.25030
06:000.340.340300.250.25030
07:001.31.30.1451.31.30.145
08:001.331.330.1451.331.330.145
09:003.561.330.1323.561.330.132
10:007.124.250.363274.130.3632
11:0010.849.990.3644.6176.150.3644.61
12:00159.990.3635.8671.990.3635.86
13:0016.639.990.3642.1570.360.3642.15
14:0016.639.990.365070.360.3650
15:0016.639.990.365070.360.3650
16:00159.990.375071.990.3750
17:0016.639.990.365070.360.3650
18:009.999.990.3645770.3645
19:00770.1641.51770.1641.51
20:004.194.190.144.14.194.190.144.1
21:004.054.050.140.354.054.050.140.35
22:000.840.840.1450.840.840.145
23:000.350.350300.250.25030