P-5

Ancillary Services Prices, Day Ahead Market

10/28/2010

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)
00:0052.380.024.250.250.020.024.25
01:0052.380.025.780.250.020.025.78
02:0052.380.024.250.250.020.024.25
03:0052.380.029.110.250.020.029.11
04:0052.380.0220.980.250.020.0220.98
05:0052.380.0224.260.250.020.0224.26
06:002.682.380.0219.130.250.020.0219.13
07:0070.720.099.4770.720.099.47
08:0070.720.094.2570.720.094.25
09:0070.720.094.2570.720.094.25
10:0070.720.094.2570.720.094.25
11:009.252.340.094.2570.090.094.25
12:009.372.460.094.2570.090.094.25
13:009.342.430.094.2570.090.094.25
14:009.372.460.094.2570.090.094.25
15:009.372.460.094.2570.090.094.25
16:009.172.380.097.7570.210.097.75
17:009.292.380.097.7570.090.097.75
18:0010.233.320.091570.090.0915
19:0072.380.09872.380.098
20:0072.380.094.2572.380.094.25
21:009.362.450.094.2570.090.094.25
22:009.312.40.094.2570.090.094.25
23:003.553.320.024.250.250.020.024.25