P-5

Ancillary Service Prices, Day Ahead Market

08/21/2003

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)
00:000.630.630.35250.60.60.3525
01:000.660.660.35250.60.60.3525
02:000.660.660.35250.60.60.3525
03:000.660.660.35190.60.60.3519
04:000.660.660.35190.60.60.3519
05:000.660.660.35190.60.60.3519
06:000.630.630.35250.60.60.3525
07:001.40.60.6251.40.60.625
08:002.50.60.6142.50.60.614
09:003.250.60.6143.250.60.614
10:003.250.60.6213.250.60.621
11:003.250.60.6103.250.60.610
12:003.251.41.4103.251.41.410
13:003.252.51.45102.21.451.4510
14:003.252.51.45102.21.451.4510
15:00102.51.45102.21.451.4510
16:00102.51.4102.21.41.410
17:003.251.421.42142.21.421.4214
18:003.251.251.25142.21.251.2514
19:003.250.60.6143.250.60.614
20:003.250.60.619.53.250.60.619.5
21:003.250.60.619.53.250.60.619.5
22:002.50.60.619.52.50.60.619.5
23:001.40.680.3519.50.60.350.3519.5