P-5

Ancillary Service Prices, Day Ahead Market

03/06/2003

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)
00:001.351.351.27401.351.351.2740
01:001.351.351.35451.351.351.3545
02:001.351.351.3515.51.351.351.3515.5
03:001.351.351.3515.51.351.351.3515.5
04:001.351.351.3515.51.351.351.3515.5
05:001.751.751.4451.751.751.445
06:00452.521.6245451.621.6245
07:00451.91.4245451.421.4245
08:00451.91.445451.41.445
09:00451.91.445451.41.445
10:00451.91.278.4451.271.278.4
11:00451.91.288.4451.281.288.4
12:00451.91.278.4451.271.278.4
13:00451.91.278.4451.271.278.4
14:00451.91.48.4451.41.48.4
15:00451.451.458.4451.451.458.4
16:00451.51.520451.51.520
17:00451.91.420451.41.420
18:00451.91.420451.41.420
19:004.251.91.4452.31.41.445
20:004.251.91.4202.31.41.420
21:00451.951.445451.41.445
22:00451.41.445451.41.445
23:0031.41.44031.41.440