P-5

Ancillary Service Prices, Day Ahead Market

09/27/2004

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)
00:000.160.160.16200.160.160.1620
01:000.120.120.12200.120.120.1220
02:000.120.120.12200.120.120.1220
03:000.120.120.12200.120.120.1220
04:000.120.120.12200.120.120.1220
05:000.130.130.13400.130.130.1340
06:000.20.20.2750.20.20.275
07:000.150.150.15750.150.150.1575
08:000.150.150.15750.150.150.1575
09:000.150.150.15400.150.150.1540
10:000.150.150.15400.150.150.1540
11:000.150.150.15140.150.150.1514
12:000.150.150.15140.150.150.1514
13:0030.20.21430.20.214
14:000.20.20.2140.20.20.214
15:0030.190.191430.190.1914
16:000.190.190.19160.190.190.1916
17:000.990.190.19400.990.190.1940
18:000.170.170.17400.170.170.1740
19:000.150.150.15400.150.150.1540
20:000.150.150.15400.150.150.1540
21:001.990.150.15401.990.150.1540
22:0030.170.174030.170.1740
23:0031.261.262031.261.2620