P-5

Ancillary Services Prices, Day Ahead Market

04/13/2008

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)
00:003050.3450.30.30.345
01:004.294.290.3450.30.30.345
02:004.294.290.3450.30.30.345
03:004.294.290.3450.30.30.345
04:004.294.290.3450.30.30.345
05:004.294.290.3450.30.30.345
06:004.294.290.3500.30.30.350
07:0036.550.57070.50.570
08:0036.550.55070.50.550
09:0034.813.310.55070.50.550
10:0034.733.230.55070.50.550
11:0034.733.230.55070.50.550
12:0034.733.230.55070.50.550
13:0034.733.230.55070.50.550
14:0034.733.230.55070.50.550
15:0034.733.230.55070.50.550
16:0034.733.230.55070.50.550
17:0034.733.230.55070.50.550
18:0034.733.230.55070.50.550
19:0034.743.240.55070.50.550
20:0034.813.310.55070.50.550
21:0034.813.310.55070.50.550
22:0036.550.8450.347.340.840.8450.34
23:003050.3450.30.30.345