P-5

Ancillary Services Prices, Day Ahead Market

10/15/2010

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)
00:003.553.320.0280.250.020.028
01:003.553.320.028.680.250.020.028.68
02:003.553.320.026.560.250.020.026.56
03:003.553.320.0212.570.250.020.0212.57
04:003.553.320.0217.50.250.020.0217.5
05:003.553.320.0217.50.250.020.0217.5
06:003.553.320.02150.250.020.0215
07:0073.320.11573.320.115
08:006.33.320.110.246.33.320.110.24
09:007.063.320.19.4773.260.19.47
10:007.073.320.1873.250.18
11:007.53.320.19.4772.820.19.47
12:007.233.320.19.9573.090.19.95
13:0073.320.19.4773.320.19.47
14:0073.320.1873.320.18
15:006.113.320.186.113.320.18
16:0073.320.19.4773.320.19.47
17:007.053.320.11573.270.115
18:0073.320.11573.320.115
19:0073.320.11573.320.115
20:0073.320.11573.320.115
21:0073.320.117.573.320.117.5
22:0010.223.320.110.8770.10.110.87
23:003.553.320.0217.50.250.020.0217.5