P-5

Ancillary Services Prices, Day Ahead Market

11/25/2008

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25450.250.250.2545
06:002.32.30.25450.250.250.2545
07:008.782.280.54570.50.545
08:007.492.250.9945.497.492.250.9945.49
09:0012.792.290.9947.899.890.990.9947.89
10:008.762.261.7146.218.211.711.7146.21
11:008.772.270.9945.497.490.990.9945.49
12:008.762.260.54570.50.545
13:007.352.250.54571.90.545
14:0072.250.54572.250.545
15:0072.250.54572.250.545
16:006.952.241.2345.736.952.241.2345.73
17:008.782.282.2846.788.782.282.2846.78
18:007.992.241.7146.217.992.241.7146.21
19:0016.582.271.4752.4814.481.471.4752.48
20:008.742.241.7146.218.211.711.7146.21
21:007.032.240.9945.497.032.240.9945.49
22:002.242.240.5452.242.240.545
23:002.222.220.3450.30.30.345