P-5

Ancillary Service Prices, Day Ahead Market

03/11/2004

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)
00:000.370.370.37450.370.370.3745
01:000.380.380.38450.380.380.3845
02:000.380.380.38200.380.380.3820
03:000.380.380.38200.380.380.3820
04:000.380.380.38200.380.380.3820
05:000.380.380.38450.380.380.3845
06:003.250.840.84453.250.840.8445
07:003.250.380.38453.250.380.3845
08:003.251.11.1453.251.11.145
09:003.2511113.251111
10:003.250.840.84113.250.840.8411
11:003.250.340.34113.250.340.3411
12:003.250.20.2113.250.20.211
13:003.250.320.32113.250.320.3211
14:003.250.320.32113.250.320.3211
15:003.250.320.32113.250.320.3211
16:003.250.20.2453.250.20.245
17:00120.340.3445120.340.3445
18:00120.380.3845120.380.3845
19:00120.380.3811120.380.3811
20:00120.380.3845120.380.3845
21:003.250.450.45453.250.450.4545
22:0030.320.324530.320.3245
23:0030.20.24530.20.245