P-5

Ancillary Service Prices, Day Ahead Market

10/24/2004

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)
00:000.360.360.36200.360.360.3620
01:000.250.250.25200.250.250.2520
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
06:000.360.360.36200.360.360.3620
07:000.20.20.2140.20.20.214
08:000.20.20.2140.20.20.214
09:001.990.20.2141.990.20.214
10:0040.20.21440.20.214
11:0040.20.21440.20.214
12:0030.20.21430.20.214
13:000.20.20.2140.20.20.214
14:000.20.20.2140.20.20.214
15:000.20.20.2140.20.20.214
16:000.20.20.2500.20.20.250
17:0040.20.27540.20.275
18:0040.20.27540.20.275
19:0040.20.27540.20.275
20:0040.20.27540.20.275
21:0040.20.25040.20.250
22:001.990.20.2501.990.20.250
23:000.840.840.84200.840.840.8420