P-5

Ancillary Service Prices, Day Ahead Market

03/15/2003

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)
00:002.432.431.4881.851.851.488
01:002.452.451.4881.851.851.488
02:002.452.451.2815.51.851.851.2815.5
03:002.452.451.2815.51.851.851.2815.5
04:002.452.451.2815.51.851.851.2815.5
05:002.452.451.4881.851.851.488
06:002.52.491.4882.52.491.488
07:002.51.41.4882.51.41.488
08:002.51.271.27882.51.271.2788
09:002.51.261.26452.51.261.2645
10:002.51.251.258.62.51.251.258.6
11:002.51.251.258.62.51.251.258.6
12:002.51.251.258.62.51.251.258.6
13:002.51.251.258.62.51.251.258.6
14:002.51.251.258.62.51.251.258.6
15:002.51.261.268.62.51.261.268.6
16:002.51.261.26882.51.261.2688
17:002.51.261.26202.51.261.2620
18:002.51.261.26882.51.261.2688
19:002.51.261.26882.51.261.2688
20:002.51.151.15452.51.151.1545
21:002.51.251.25882.51.251.2588
22:002.51.281.28882.51.281.2888
23:002.52.441.4882.52.441.488