Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/13/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 0.83 0.68 0.27 8.55
01:00 0.83 0.68 0.27 8.55
02:00 0.83 0.68 0.27 8.55
03:00 0.83 0.68 0.27 8.55
04:00 0.83 0.68 0.27 8.55
05:00 0.83 0.68 0.27 8.55
06:00 2.52 2.52 1.20 8.55
07:00 6.00 1.23 1.23 5.90
08:00 5.75 1.02 1.02 5.90
09:00 5.75 1.02 1.02 5.90
10:00 5.75 1.00 1.00 5.90
11:00 5.75 1.00 1.00 5.90
12:00 6.00 1.00 1.00 50.00
13:00 6.00 1.00 1.00 50.00
14:00 6.00 1.00 1.00 50.00
15:00 6.00 1.00 1.00 50.00
16:00 6.00 0.95 0.10 50.00
17:00 6.00 1.00 0.10 50.00
18:00 6.00 1.00 0.10 50.00
19:00 6.00 1.00 0.10 50.00
20:00 6.00 1.00 1.00 50.00
21:00 6.00 1.22 1.22 50.00
22:00 30.00 1.43 1.43 50.00
23:00 2.50 0.64 0.27 8.55