P-5

Ancillary Service Prices, Day Ahead Market

08/28/2004

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)
00:000.840.840.84200.840.840.8420
01:000.380.380.38200.380.380.3820
02:000.250.250.25200.250.250.2520
03:000.250.250.25200.250.250.2520
04:000.250.250.25200.250.250.2520
05:000.250.250.25200.250.250.2520
06:000.840.840.84750.840.840.8475
07:000.20.20.2750.20.20.275
08:000.20.20.2750.20.20.275
09:000.20.20.2140.20.20.214
10:000.20.20.2140.20.20.214
11:0030.20.21430.20.214
12:0030.20.21430.20.214
13:0030.20.21430.20.214
14:0030.20.21430.20.214
15:0030.20.21430.20.214
16:0030.20.21430.20.214
17:0030.20.21430.20.214
18:000.20.20.2140.20.20.214
19:000.20.20.2140.20.20.214
20:000.990.20.2140.990.20.214
21:001.990.20.2141.990.20.214
22:000.20.20.2140.20.20.214
23:001.261.261.26201.261.261.2620