P-5

Ancillary Services Prices, Day Ahead Market

05/06/2008

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)
00:000.20.20.2450.20.20.245
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25450.250.250.2545
06:005.0650.1994.50.250.190.1994.5
07:0031.5750.1910070.190.19100
08:0034.9650.510070.50.5100
09:0011.550.55070.50.550
10:0011.550.55070.50.550
11:0013.0150.55070.50.550
12:0016.8850.55070.50.550
13:0017.7650.55070.50.550
14:0014.3550.55070.50.550
15:0036.550.55070.50.550
16:0014.150.55070.50.550
17:0012.0150.55070.50.550
18:0011.550.55070.50.550
19:0011.550.55070.50.550
20:0020.3450.55070.50.550
21:0036.8350.175070.170.1750
22:0014.8850.15070.10.150
23:0010.7650.1450.250.10.145