P-5

Ancillary Services Prices, Day Ahead Market

12/28/2008

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)
00:001.981.980.3450.30.30.345
01:000.30.30.3450.30.30.345
02:000.30.30.3450.30.30.345
03:000.30.30.3450.30.30.345
04:000.30.30.3450.30.30.345
05:001.991.990.3450.30.30.345
06:001.981.980.3450.30.30.345
07:0071.990.54571.990.545
08:0071.980.54571.980.545
09:0071.980.54571.980.545
10:007.491.960.9945.497.491.960.9945.49
11:0071.960.54571.960.545
12:0071.960.54571.960.545
13:0071.960.54571.960.545
14:0071.960.54571.960.545
15:0071.960.54571.960.545
16:007.621.951.1245.627.621.951.1245.62
17:008.451.951.9546.458.451.951.9546.45
18:008.211.951.7146.218.211.951.7146.21
19:008.211.951.7146.218.211.951.7146.21
20:007.961.951.4645.967.961.951.4645.96
21:002.931.960.9945.492.931.960.9945.49
22:001.961.960.5451.961.960.545
23:001.931.930.3450.30.30.345