P-5

Ancillary Services Prices, Day Ahead Market

05/05/2008

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)
00:004.294.290.25450.250.250.2545
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
06:005.1550.12500.250.10.1250
07:0011.550.525070.50.5250
08:0011.550.510070.50.5100
09:0011.550.55070.50.550
10:0011.550.55070.50.550
11:0014.0650.55070.50.550
12:0017.3250.55070.50.550
13:0014.0350.55070.50.550
14:0012.0650.55070.50.550
15:0015.5750.55070.50.550
16:0015.150.55070.50.550
17:0011.550.55070.50.550
18:0011.550.55070.50.550
19:0014.6950.55070.50.550
20:0023.1650.55070.50.550
21:0036.550.55070.50.550
22:0036.550.55070.50.550
23:0015.8350.3450.30.30.345