P-5

Ancillary Services Prices, Day Ahead Market

04/27/2008

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)
00:0029.294.290.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:000.30.30.3500.30.30.350
07:0034.993.490.57070.50.570
08:0034.142.640.55070.50.550
09:0034.673.170.55070.50.550
10:0013.373.160.55070.50.550
11:0021.963.160.55070.50.550
12:0020.223.160.55070.50.550
13:0014.153.160.55070.50.550
14:0012.783.160.55070.50.550
15:0034.673.170.55070.50.550
16:0034.673.170.55070.50.550
17:0034.673.170.55070.50.550
18:0034.673.170.55070.50.550
19:0022.933.160.55070.50.550
20:0033.053.160.55070.50.550
21:0017.973.160.55070.50.550
22:0034.593.090.55070.50.550
23:0029.294.290.3450.30.30.345