P-5

Ancillary Services Prices, Day Ahead Market

12/26/2008

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)
00:001.961.960.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:001.951.950.357.810.30.30.357.81
07:001.981.980.5451.981.980.545
08:007.491.980.9945.497.491.980.9945.49
09:007.731.981.2345.737.731.981.2345.73
10:008.471.971.4745.977.971.471.4745.97
11:007.621.961.1245.627.621.961.1245.62
12:007.491.960.9945.497.491.960.9945.49
13:008.271.961.2345.737.731.421.2345.73
14:0071.960.54571.960.545
15:0071.960.54571.960.545
16:008.461.961.7146.218.211.711.7146.21
17:008.211.941.7146.218.211.941.7146.21
18:008.451.951.9546.458.451.951.9546.45
19:008.211.931.7146.218.211.931.7146.21
20:007.731.951.2345.737.731.951.2345.73
21:002.091.960.9945.492.091.960.9945.49
22:001.971.970.5451.971.970.545
23:001.941.940.3450.30.30.345