P-5

Ancillary Services Prices, Day Ahead Market

12/28/2011

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)
00:003.553.380.085.750.250.080.085.75
01:003.553.380.085.50.250.080.085.5
02:003.553.380.085.50.250.080.085.5
03:003.553.380.0860.250.080.086
04:003.553.380.0860.250.080.086
05:003.553.380.088.50.250.080.088.5
06:003.513.340.0860.250.080.086
07:000.760.760.2560.250.250.256
08:000.770.770.2560.250.250.256
09:000.770.770.255.750.250.250.255.75
10:000.80.80.255.750.250.250.255.75
11:004.163.320.255.751.090.250.255.75
12:003.533.320.255.750.460.250.255.75
13:003.323.320.255.750.250.250.255.75
14:003.233.230.255.750.250.250.255.75
15:003.323.320.255.950.250.250.255.95
16:005.083.330.252020.250.2520
17:0011.724.970.252070.250.2520
18:0010.113.360.252070.250.2520
19:008.513.360.2595.40.250.259
20:005.153.380.2562.020.250.256
21:004.483.350.2561.380.250.256
22:003.23.20.2550.250.250.255
23:002.322.320.085.490.080.080.085.49