P-5

Ancillary Service Prices, Day Ahead Market

08/21/2004

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)
00:001.271.271.27201.271.271.2720
01:000.20.20.2200.20.20.220
02:000.150.150.15200.150.150.1520
03:000.150.150.15200.150.150.1520
04:000.140.140.14200.140.140.1420
05:000.180.180.18200.180.180.1820
06:000.840.840.84200.840.840.8420
07:000.160.160.16140.160.160.1614
08:000.160.160.16140.160.160.1614
09:000.160.160.16140.160.160.1614
10:000.150.150.15140.150.150.1514
11:001.990.20.2141.990.20.214
12:0030.20.21430.20.214
13:0030.20.21430.20.214
14:000.990.20.2140.990.20.214
15:001.990.20.2141.990.20.214
16:0030.150.151430.150.1514
17:000.990.150.15140.990.150.1514
18:000.150.150.15140.150.150.1514
19:000.150.150.15140.150.150.1514
20:000.150.150.15140.150.150.1514
21:000.150.150.15140.150.150.1514
22:000.160.160.16140.160.160.1614
23:001.261.261.26201.261.261.2620