P-5

Ancillary Service Prices, Day Ahead Market

02/09/2003

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)
00:001.281.281.28131.281.281.2813
01:001.41.41.4131.41.41.413
02:001.41.41.4131.41.41.413
03:001.41.41.4131.41.41.413
04:001.41.41.4131.41.41.413
05:001.41.41.4131.41.41.413
06:001.281.281.28131.281.281.2813
07:002.351.41.482.351.41.48
08:002.251.41.482.251.41.48
09:002.251.41.482.251.41.48
10:004.251.271.27954.251.271.2795
11:002.251.261.26202.251.261.2620
12:002.751.261.26202.751.261.2620
13:002.751.261.26202.751.261.2620
14:002.751.261.26202.751.261.2620
15:002.751.261.26202.751.261.2620
16:002.751.151.15202.751.151.1520
17:002.751.151.1582.751.151.158
18:004.251.151.15204.251.151.1520
19:002.751.151.15202.751.151.1520
20:004.251.151.15454.251.151.1545
21:002.51.251.25452.51.251.2545
22:002.51.271.27452.51.271.2745
23:002.251.261.26452.251.261.2645