P-5

Ancillary Services Prices, Day Ahead Market

12/29/2011

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)
00:003.53.340.095.50.250.090.095.5
01:003.493.330.095.50.250.090.095.5
02:003.493.330.095.50.250.090.095.5
03:003.493.330.0960.250.090.096
04:003.493.330.0960.250.090.096
05:003.493.330.0960.250.090.096
06:003.53.340.0960.250.090.096
07:004.973.320.2561.90.250.256
08:004.973.320.2561.90.250.256
09:005.753.320.255.752.680.250.255.75
10:006.353.320.255.753.280.250.255.75
11:005.633.320.255.752.560.250.255.75
12:004.973.320.255.751.90.250.255.75
13:004.683.320.255.751.610.250.255.75
14:003.953.320.255.750.880.250.255.75
15:003.893.320.255.950.820.250.255.95
16:007.813.330.25204.730.250.2520
17:0010.133.380.252070.250.2520
18:0010.133.380.252070.250.2520
19:009.093.330.2596.010.250.259
20:006.053.330.2562.970.250.256
21:005.083.330.25620.250.256
22:00110.254.50.250.250.254.5
23:000.790.790.14.50.10.10.14.5