P-5

Ancillary Service Prices, Day Ahead Market

08/17/2003

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)
00:0031.271.272531.271.2725
01:002.251.21.2192.251.21.219
02:001.41.41.25191.251.251.2519
03:002.522.521.2191.21.21.219
04:002.522.521.2191.21.21.219
05:002.252.251.2191.21.21.219
06:001.41.41.2191.21.21.219
07:002.20.550.55102.20.550.5510
08:002.20.550.55102.20.550.5510
09:002.50.550.55102.50.550.5510
10:003.250.550.55103.250.550.5510
11:003.250.550.55143.250.550.5514
12:003.250.550.55143.250.550.5514
13:003.250.550.55143.250.550.5514
14:00100.550.5514100.550.5514
15:003.251.41.4143.251.41.414
16:003.251.41.4143.251.41.414
17:003.251.41.4143.251.41.414
18:003.251.261.26143.251.261.2614
19:003.250.550.55143.250.550.5514
20:003.250.550.5519.53.250.550.5519.5
21:003.250.550.5519.53.250.550.5519.5
22:003.250.550.5519.53.250.550.5519.5
23:003.252.392.3919.53.252.392.3919.5