P-5

Ancillary Service Prices, Day Ahead Market

08/22/2003

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)
00:000.660.660.35250.60.60.3525
01:000.630.630.35250.60.60.3525
02:000.630.630.35250.60.60.3525
03:000.630.630.35190.60.60.3519
04:000.630.630.35190.60.60.3519
05:000.630.630.35190.60.60.3519
06:000.620.620.35190.60.60.3519
07:002.20.60.6102.20.60.610
08:002.50.60.6142.50.60.614
09:003.250.60.6143.250.60.614
10:003.250.60.6143.250.60.614
11:003.251.451.45102.21.451.4510
12:003.251.451.45102.21.451.4510
13:00102.522.5210102.522.5210
14:00102.522.5210102.522.5210
15:00102.522.5210102.522.5210
16:003.252.522.52103.252.522.5210
17:003.252.521.4142.21.41.414
18:003.252.521.25142.21.251.2514
19:002.51.251.25142.21.251.2514
20:003.250.60.619.53.250.60.619.5
21:002.50.60.6102.50.60.610
22:002.50.60.6102.50.60.610
23:001.40.680.3519.50.60.350.3519.5