P-5

Ancillary Service Prices, Day Ahead Market

01/19/2003

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)
00:001.251.251.25121.251.251.2512
01:001.221.221.2241.71.221.221.2241.7
02:001.221.221.2241.71.221.221.2241.7
03:001.221.221.2241.71.221.221.2241.7
04:001.221.221.2241.71.221.221.2241.7
05:001.221.221.22341.221.221.2234
06:001.951.281.28121.951.281.2812
07:003.251.261.267.53.251.261.267.5
08:003.251.21.27.53.251.21.27.5
09:003.251.21.27.53.251.21.27.5
10:003.250.990.99223.250.990.9922
11:003.250.990.99273.250.990.9927
12:003.250.990.99273.250.990.9927
13:003.250.990.99273.250.990.9927
14:003.250.990.99273.250.990.9927
15:003.250.990.99273.250.990.9927
16:003.250.670.67223.250.670.6722
17:003.250.670.677.53.250.670.677.5
18:003.250.670.67183.250.670.6718
19:003.251.21.2183.251.21.218
20:003.251.21.2223.251.21.222
21:003.251.21.2273.251.21.227
22:003.251.251.25343.251.251.2534
23:001.951.271.27341.951.271.2734