P-5

Ancillary Services Prices, Day Ahead Market

04/06/2008

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)
00:0010.42.640.3450.30.30.345
01:002.692.690.3450.30.30.345
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
06:000.840.840.3500.30.30.350
07:0070.50.57070.50.570
08:009.050.50.55070.50.550
09:0029.683.180.55070.50.550
10:0032.163.170.55070.50.550
11:0024.593.170.55070.50.550
12:0018.483.170.55070.50.550
13:009.663.160.55070.50.550
14:009.663.160.55070.50.550
15:009.653.150.55070.50.550
16:009.663.160.55070.50.550
17:009.663.160.55070.50.550
18:0017.143.170.55070.50.550
19:0032.963.193.1952.699.693.193.1952.69
20:0034.713.213.2152.719.713.213.2152.71
21:0026.973.170.55070.50.550
22:00100.50.55070.50.550
23:00100.30.3450.30.30.345