P-5

Ancillary Services Prices, Day Ahead Market

05/21/2010

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)
00:002.332.330.07280.250.250.0728
01:002.332.330.07280.250.250.0728
02:000.350.350.07280.250.250.0728
03:000.350.350.07280.250.250.0728
04:000.350.350.07280.250.250.0728
05:002.332.330.07280.250.250.0728
06:002.472.470.07280.250.250.0728
07:0075.040.163075.040.1630
08:0075.040.173075.040.1730
09:0011.875.040.173070.170.1730
10:0013.875.040.173290.170.1732
11:0010.055.040.173071.990.1730
12:0010.055.040.173071.990.1730
13:0011.875.040.173070.170.1730
14:0011.875.040.173070.170.1730
15:0011.875.040.173070.170.1730
16:0012.045.0403070030
17:0013.865.040.1731.998.990.170.1731.99
18:0010.293.460.173070.170.1730
19:009.173.450.1731.68.62.880.1731.6
20:0010.293.460.173070.170.1730
21:009.313.450.173071.140.1730
22:0073.40.13073.40.130
23:003.383.380.07300.250.250.0730