P-5

Ancillary Services Prices, Day Ahead Market

12/03/2008

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
04:000.250.250.25450.250.250.2545
05:002.222.220.25450.250.250.2545
06:002.232.230.25450.250.250.2545
07:006.952.280.5456.952.280.545
08:0072.260.54572.260.545
09:0072.270.54572.270.545
10:0072.260.54572.260.545
11:0072.270.54572.270.545
12:0072.270.54572.270.545
13:0072.270.54572.270.545
14:008.782.280.54570.50.545
15:0072.270.54572.270.545
16:006.952.270.5456.952.270.545
17:008.782.280.54570.50.545
18:006.952.270.5456.952.270.545
19:006.952.270.5456.952.270.545
20:0072.230.54572.230.545
21:008.762.260.54570.50.545
22:0072.270.54572.270.545
23:002.272.270.3450.30.30.345