P-5

Ancillary Service Prices, Day Ahead Market

07/31/2002

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)
00:001.751.751.75451.751.751.7545
01:001.451.451.45451.451.451.4545
02:001.41.151.15451.41.151.1545
03:001.41.151.15121.41.151.1512
04:001.41.41.15121.41.41.1512
05:001.41.41.15121.41.41.1512
06:001.41.41.16121.41.41.1612
07:001.751.151.15151.751.151.1515
08:001.751.151.15121.751.151.1512
09:002.522.521.75121.751.751.7512
10:002.522.522.52152.522.522.5215
11:0061.751.57.51.751.51.57.5
12:0061.751.57.51.751.51.57.5
13:006227.52227.5
14:0063.183.18153.183.183.1815
15:0063.153.15123.153.153.1512
16:0062.922.92152.922.922.9215
17:0062.692.69182.692.692.6918
18:0061.751.5151.751.51.515
19:002.251.751.3151.751.31.315
20:002.11.71.34151.751.341.3415
21:002.522.522.52252.522.522.5225
22:002.11.71.7202.11.71.720
23:001.751.151.15201.751.151.1520