P-5

Ancillary Service Prices, Day Ahead Market

08/09/2003

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)
00:000.680.680.68250.680.680.6825
01:000.680.680.68250.680.680.6825
02:000.680.680.68250.680.680.6825
03:000.680.680.68190.680.680.6819
04:000.680.680.68190.680.680.6819
05:000.680.680.68190.680.680.6819
06:000.660.660.6190.60.60.619
07:000.60.60.6250.60.60.625
08:002.20.60.6142.20.60.614
09:002.20.60.6142.20.60.614
10:002.20.60.6142.20.60.614
11:003.250.60.6103.250.60.610
12:003.250.60.6103.250.60.610
13:002.20.60.6102.20.60.610
14:002.20.60.6102.20.60.610
15:002.20.60.6102.20.60.610
16:002.20.60.6102.20.60.610
17:002.20.60.6142.20.60.614
18:002.20.60.6142.20.60.614
19:003.250.60.6143.250.60.614
20:003.250.60.619.53.250.60.619.5
21:0030.60.619.530.60.619.5
22:002.20.60.619.52.20.60.619.5
23:001.251.251.2519.51.251.251.2519.5