P-5

Ancillary Services Prices, Day Ahead Market

12/21/2008

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)
00:005.255.250.3450.30.30.345
01:005.255.250.3450.30.30.345
02:000.30.30.3450.30.30.345
03:000.30.30.3450.30.30.345
04:000.30.30.3450.30.30.345
05:000.30.30.3450.30.30.345
06:005.255.250.3450.30.30.345
07:005.255.250.5455.255.250.545
08:0075.250.54575.250.545
09:0075.250.54575.250.545
10:008.595.250.54573.660.545
11:008.515.250.54573.740.545
12:0075.250.54575.250.545
13:0075.250.54575.250.545
14:0075.250.54575.250.545
15:0075.250.54575.250.545
16:0075.250.54575.250.545
17:0011.755.250.545.4170.50.545.41
18:008.435.250.54573.820.545
19:0011.685.250.54570.570.545
20:0075.250.54575.250.545
21:0075.250.54575.250.545
22:0011.755.250.54570.50.545
23:004.594.590.3450.30.30.345