P-5

Ancillary Services Prices, Day Ahead Market

05/25/2010

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
01:003.353.350.07280.250.250.0728
02:000.60.60.07280.250.250.0728
03:000.60.60.07280.250.250.0728
04:000.60.60.07280.250.250.0728
05:003.353.350.07280.250.250.0728
06:003.373.370.07280.250.250.0728
07:0073.40.163073.40.1630
08:0073.40.163073.40.1630
09:0011.535.040.173070.510.1730
10:0011.875.040.173070.170.1730
11:0011.875.040.173070.170.1730
12:0011.865.040.163070.180.1630
13:0075.040.163075.040.1630
14:0075.040.163075.040.1630
15:0075.040.163075.040.1630
16:0075.040.173075.040.1730
17:0011.885.040.163070.160.1630
18:008.545.040.163073.50.1630
19:0075.040.163075.040.1630
20:0010.193.350.163070.160.1630
21:007.863.350.163072.490.1630
22:0073.340.13073.340.130
23:002.122.120.07300.250.250.0730