P-5

Ancillary Service Prices, Day Ahead Market

06/22/2003

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)
00:001.51.481.4842.751.51.481.4842.75
01:001.51.51.516.81.51.51.516.8
02:001.51.51.516.81.51.51.516.8
03:001.51.51.516.81.51.51.516.8
04:001.51.51.516.81.51.51.516.8
05:001.51.51.516.81.51.51.516.8
06:001.851.481.4816.81.851.481.4816.8
07:002.81.251.259.82.81.251.259.8
08:002.81.251.259.82.81.251.259.8
09:002.81.251.259.82.81.251.259.8
10:002.81.251.259.82.81.251.259.8
11:002.81.251.2546.252.81.251.2546.25
12:002.81.251.2546.252.81.251.2546.25
13:002.81.271.2746.252.81.271.2746.25
14:002.81.251.2546.252.81.251.2546.25
15:002.81.281.2846.252.81.281.2846.25
16:002.81.261.2646.252.81.261.2646.25
17:002.81.261.2646.252.81.261.2646.25
18:002.81.261.2646.252.81.261.2646.25
19:002.81.261.2646.252.81.261.2646.25
20:002.81.261.2646.252.81.261.2646.25
21:002.81.271.2746.252.81.271.2746.25
22:002.81.251.2546.252.81.251.2546.25
23:002.81.421.4242.752.81.421.4242.75