P-5

Ancillary Service Prices, Day Ahead Market

02/24/2003

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)
00:001.751.751.28881.751.751.2888
01:001.31.31.27881.31.31.2788
02:001.31.31.27131.31.31.2713
03:001.31.31.27131.31.31.2713
04:001.31.31.27131.31.31.2713
05:001.31.31.27881.31.31.2788
06:002.52.51.27302.32.31.2730
07:002.31.251.2302.31.21.230
08:002.31.21.2182.31.21.218
09:0031.261.261831.261.2618
10:0031.251.25831.251.258
11:0031.251.25831.251.258
12:0031.251.25831.251.258
13:0031.251.25831.251.258
14:0031.251.25831.251.258
15:0031.251.25831.251.258
16:002.31.21.2182.31.21.218
17:0031.41.41831.41.418
18:004.251.451.45204.251.451.4520
19:0031.21.21831.21.218
20:002.30.990.99182.30.990.9918
21:002.30.990.99402.30.990.9940
22:002.31.21.2402.31.21.240
23:002.31.251.2402.31.21.240