P-5

Ancillary Services Prices, Day Ahead Market

12/21/2011

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)
00:003.323.320.085.50.080.080.085.5
01:003.323.320.085.50.080.080.085.5
02:003.323.320.085.50.080.080.085.5
03:003.323.320.0860.080.080.086
04:003.323.320.0860.080.080.086
05:003.323.320.0810.460.080.080.0810.46
06:003.323.320.0860.080.080.086
07:003.323.320.2460.240.240.246
08:00110.2460.240.240.246
09:00110.245.750.240.240.245.75
10:004.573.330.245.751.480.240.245.75
11:003.853.330.245.750.760.240.245.75
12:003.373.330.245.750.280.240.245.75
13:003.283.280.245.750.240.240.245.75
14:003.133.130.245.950.240.240.245.95
15:003.33.30.245.950.240.240.245.95
16:006.983.340.24203.880.240.2420
17:0011.224.460.242070.240.2420
18:007.843.380.24204.70.240.2420
19:005.123.360.24920.240.249
20:005.093.330.24620.240.246
21:002.492.490.2460.240.240.246
22:00110.244.50.240.240.244.5
23:000.90.90.085.310.080.080.085.31