P-5

Ancillary Service Prices, Day Ahead Market

01/18/2003

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)
00:001.251.251.25341.251.251.2534
01:001.221.221.2241.71.221.221.2241.7
02:001.221.221.22121.221.221.2212
03:001.221.221.22121.221.221.2212
04:001.221.221.22121.221.221.2212
05:001.251.251.25341.251.251.2534
06:0032.441.4221.991.41.422
07:0051.281.282251.281.2822
08:0051.271.272251.271.2722
09:0051.271.272251.271.2722
10:0051.251.257.551.251.257.5
11:00451.21.27.5451.21.27.5
12:0051.151.157.551.151.157.5
13:0050.990.997.550.990.997.5
14:0050.990.997.550.990.997.5
15:0050.990.997.550.990.997.5
16:0050.990.992250.990.9922
17:0051.261.262251.261.2622
18:0051.261.262751.261.2627
19:0051.271.272751.271.2727
20:0051.251.252751.251.2527
21:0051.261.262751.261.2627
22:003.251.271.27543.251.271.2754
23:00451.281.2845.75451.281.2845.75