P-5

Ancillary Services Prices, Day Ahead Market

03/23/2012

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)
00:003.353.330.2370.250.230.237
01:003.353.330.236.850.250.230.236.85
02:003.353.330.2370.250.230.237
03:003.343.330.2460.250.240.246
04:003.343.330.2470.250.240.247
05:003.343.330.249.50.250.240.249.5
06:003.333.330.2421.340.240.240.2421.34
07:0010.113.330.222970.220.2229
08:0010.113.330.223670.220.2236
09:0010.113.330.2221.0570.220.2221.05
10:0010.113.330.221270.220.2212
11:0010.113.330.221270.220.2212
12:0010.113.330.221270.220.2212
13:0010.113.330.221270.220.2212
14:0010.113.330.221270.220.2212
15:0010.113.330.2219.1870.220.2219.18
16:0010.113.330.2219.4670.220.2219.46
17:0010.113.330.2218.5370.220.2218.53
18:0010.113.330.2218.7370.220.2218.73
19:00125.220.2225.8570.220.2225.85
20:0010.113.330.221570.220.2215
21:0053.330.2216.71.890.220.2216.7
22:003.333.330.225.390.220.220.225.39
23:003.333.330.246.050.240.240.246.05