P-5

Ancillary Service Prices, Day Ahead Market

12/01/2003

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)
00:000.440.440.44390.440.440.4439
01:000.250.250.25390.250.250.2539
02:000.250.250.25200.250.250.2520
03:000.250.250.25200.250.250.2520
04:000.250.250.25200.250.250.2520
05:001.271.271.27391.271.271.2739
06:003.251.261.26393.251.261.2639
07:003.250.20.2753.250.20.275
08:003.250.260.26753.250.260.2675
09:003.250.260.26753.250.260.2675
10:003.250.20.2113.250.20.211
11:003.250.20.2113.250.20.211
12:000.240.240.24110.240.240.2411
13:000.20.20.2110.20.20.211
14:000.20.20.2110.20.20.211
15:001.990.20.2111.990.20.211
16:003.251.271.27113.251.271.2711
17:00101.41.411101.41.411
18:003.251.271.27113.251.271.2711
19:003.251.261.26113.251.261.2611
20:003.251.271.27753.251.271.2775
21:0030.20.27530.20.275
22:001.990.20.2491.990.20.249
23:000.440.440.44390.440.440.4439