P-5

Ancillary Service Prices, Day Ahead Market

09/04/2004

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
01:000.150.150.15200.150.150.1520
02:000.150.150.15200.150.150.1520
03:000.140.140.14200.140.140.1420
04:000.140.140.14200.140.140.1420
05:000.150.150.15200.150.150.1520
06:000.840.840.84400.840.840.8440
07:000.170.170.17400.170.170.1740
08:000.160.160.16400.160.160.1640
09:000.160.160.16400.160.160.1640
10:000.150.150.15140.150.150.1514
11:0030.20.21430.20.214
12:0030.190.191430.190.1914
13:0030.190.191430.190.1914
14:0030.190.191430.190.1914
15:0030.190.191430.190.1914
16:0030.180.181430.180.1814
17:000.990.190.19140.990.190.1914
18:000.190.190.19140.190.190.1914
19:000.190.190.19140.190.190.1914
20:000.990.150.15140.990.150.1514
21:000.150.150.15140.150.150.1514
22:000.160.160.16400.160.160.1640
23:000.250.250.25200.250.250.2520