P-5

Ancillary Service Prices, Day Ahead Market

03/21/2003

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)
00:002.522.522.39502.392.392.3950
01:001.851.851.85501.851.851.8550
02:001.851.851.6415.51.851.851.6415.5
03:001.851.851.6215.51.851.851.6215.5
04:001.851.851.8515.51.851.851.8515.5
05:0032.522.4502.42.42.450
06:003.52.522.52503.52.522.5250
07:004.251.951.958.64.251.951.958.6
08:003.51.621.628.63.51.621.628.6
09:003.51.621.628.63.51.621.628.6
10:002.551.41.48.62.551.41.48.6
11:003.51.41.48.63.51.41.48.6
12:004.251.951.58.62.51.51.58.6
13:004.251.91.158.62.51.151.158.6
14:004.251.90.988.62.50.980.988.6
15:004.251.451.158.62.51.151.158.6
16:004.251.151.158.64.251.151.158.6
17:003.51.151.158.63.51.151.158.6
18:003.51.421.428.63.51.421.428.6
19:003.51.451.458.63.51.451.458.6
20:004.251.271.278.64.251.271.278.6
21:003.51.261.26503.51.261.2650
22:003.51.271.27503.51.271.2750
23:003.51.281.28503.51.281.2850