P-5

Ancillary Services Prices, Day Ahead Market

04/24/2008

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)
00:002.642.640.25450.250.250.2545
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
05:004.84.80.2550.640.250.250.2550.64
06:00550.252500.250.250.25250
07:007.340.840.5100.2170.50.5100.21
08:00103.50.5100.1670.50.5100.16
09:009.813.310.55070.50.550
10:009.823.321.1450.647.641.141.1450.64
11:0010.54453.510.54453.5
12:0010.54453.510.54453.5
13:0010.54453.510.54453.5
14:0010.54453.510.54453.5
15:0010.54453.510.54453.5
16:00103.53.553103.53.553
17:0036.550.8450.347.340.840.8450.34
18:0026.6550.185070.180.1850
19:009.813.310.55070.50.550
20:0011.685453.510.54453.5
21:0028.9750.510070.50.5100
22:0036.550.510070.50.5100
23:000.410.410.3450.30.30.345