P-5

Ancillary Services Prices, Day Ahead Market

12/23/2011

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)
00:003.53.320.075.750.250.070.075.75
01:003.323.320.075.50.070.070.075.5
02:003.323.320.075.50.070.070.075.5
03:003.323.320.0760.070.070.076
04:003.323.320.0760.070.070.076
05:003.323.320.07100.070.070.0710
06:003.323.320.0760.070.070.076
07:003.323.320.2560.250.250.256
08:003.233.230.2560.250.250.256
09:003.323.320.255.750.250.250.255.75
10:004.713.320.255.751.640.250.255.75
11:004.073.320.255.7510.250.255.75
12:003.673.320.255.750.60.250.255.75
13:004.633.320.255.751.560.250.255.75
14:004.633.320.255.751.560.250.255.75
15:003.323.320.255.950.250.250.255.95
16:0010.13.350.252070.250.2520
17:0010.143.390.2529.9370.250.2529.93
18:009.133.380.252060.250.2520
19:008.723.380.2595.590.250.259
20:005.343.380.2562.210.250.256
21:002.442.440.2560.250.250.256
22:000.860.860.254.50.250.250.254.5
23:002.362.360.075.490.070.070.075.49