P-5

Ancillary Service Prices, Day Ahead Market

01/17/2004

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)
00:002.50.40.4252.50.40.425
01:000.160.160.16250.160.160.1625
02:000.160.160.16200.160.160.1620
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.370.370.37250.370.370.3725
06:002.50.40.4252.50.40.425
07:002.50.50.5252.50.50.525
08:002.50.40.4262.50.40.426
09:002.50.20.2262.50.20.226
10:002.50.20.2112.50.20.211
11:002.50.20.2112.50.20.211
12:002.50.190.19112.50.190.1911
13:002.50.190.19112.50.190.1911
14:002.50.190.19112.50.190.1911
15:002.50.190.19112.50.190.1911
16:002.50.160.16252.50.160.1625
17:002.50.160.16262.50.160.1626
18:002.50.160.16262.50.160.1626
19:002.50.160.16262.50.160.1626
20:002.50.160.16262.50.160.1626
21:002.50.160.16252.50.160.1625
22:002.50.190.19252.50.190.1925
23:001.750.40.4251.750.40.425