P-5

Ancillary Service Prices, Day Ahead Market

03/25/2003

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)
00:001.851.851.4401.851.851.440
01:001.451.451.4431.451.451.443
02:001.451.451.415.51.451.451.415.5
03:001.451.451.2815.51.451.451.2815.5
04:001.451.451.415.51.451.451.415.5
05:0032.511.4301.851.41.430
06:003.52.511.4302.51.41.430
07:004.251.91.9304.251.91.930
08:004.251.641.64204.251.641.6420
09:004.251.641.64204.251.641.6420
10:004.251.461.468.64.251.461.468.6
11:004.251.51.58.64.251.51.58.6
12:004.251.51.58.64.251.51.58.6
13:004.251.461.464.34.251.461.464.3
14:004.251.461.464.34.251.461.464.3
15:004.251.461.468.64.251.461.468.6
16:004.251.451.45204.251.451.4520
17:00451.451.4550451.451.4550
18:004.251.451.45504.251.451.4550
19:004.251.451.45504.251.451.4550
20:004.251.451.45204.251.451.4520
21:003.51.51.5403.51.51.540
22:003.51.641.64403.51.641.6440
23:003.52.451.28402.51.281.2840