P-5

Ancillary Services Prices, Day Ahead Market

05/04/2008

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
06:000.250.250.25500.250.250.2550
07:0034.993.490.57070.50.570
08:0032.090.590.55070.50.550
09:0014.193.170.55070.50.550
10:0018.273.160.55070.50.550
11:0024.793.160.55070.50.550
12:0023.473.160.55070.50.550
13:0034.673.170.55070.50.550
14:0034.673.170.55070.50.550
15:0034.673.170.55070.50.550
16:0034.663.160.55070.50.550
17:0034.663.160.55070.50.550
18:0034.663.160.55070.50.550
19:0034.673.170.55070.50.550
20:0034.653.150.55070.50.550
21:0034.673.170.55070.50.550
22:00320.50.55070.50.550
23:0028.493.490.3450.30.30.345