P-5

Ancillary Services Prices, Day Ahead Market

05/24/2010

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)
00:003.363.360.07280.250.250.0728
01:003.363.360.07280.250.250.0728
02:000.60.60.07280.250.250.0728
03:000.60.60.07280.250.250.0728
04:000.60.60.07280.250.250.0728
05:003.363.360.07280.250.250.0728
06:003.363.360.07280.250.250.0728
07:0073.390.163073.390.1630
08:0073.390.163073.390.1630
09:0075.040.1625.0675.040.1625.06
10:009.315.040.163072.730.1630
11:0011.885.040.163070.160.1630
12:0011.215.040.1629.4270.830.1629.42
13:0011.885.040.163070.160.1630
14:0011.885.040.163070.160.1630
15:0011.885.040.1629.0670.160.1629.06
16:0011.885.040.163070.160.1630
17:0011.885.040.163070.160.1630
18:0075.040.163075.040.1630
19:0075.040.163075.040.1630
20:007.495.040.163074.550.1630
21:0075.040.13075.040.130
22:0073.390.163073.390.1630
23:003.383.380.07300.250.250.0730