P-5

Ancillary Service Prices, Day Ahead Market

08/19/2003

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)
00:001.21.21.2251.21.21.225
01:000.60.60.6250.60.60.625
02:000.50.50.5250.50.50.525
03:000.50.50.5190.50.50.519
04:000.50.50.5190.50.50.519
05:000.50.50.5190.50.50.519
06:000.60.60.6250.60.60.625
07:002.20.550.55252.20.550.5525
08:003.250.550.55143.250.550.5514
09:003.250.550.55143.250.550.5514
10:003.251.281.28143.251.281.2814
11:003.251.281.28103.251.281.2810
12:00101.281.2810101.281.2810
13:00101.41.410101.41.410
14:00101.41.410101.41.410
15:00101.421.4210101.421.4210
16:00101.41.410101.41.410
17:00101.41.414101.41.414
18:003.251.271.27143.251.271.2714
19:003.251.251.25143.251.251.2514
20:003.251.251.2519.53.251.251.2519.5
21:00100.550.5519.5100.550.5519.5
22:003.250.550.5519.53.250.550.5519.5
23:003.251.421.4219.53.251.421.4219.5