Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/15/2001

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 49.00
01:00 0.83 0.68 0.27 49.00
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 6.00 2.50 1.22 8.55
07:00 2.43 2.43 1.60 5.90
08:00 2.43 2.43 1.40 5.90
09:00 2.43 2.43 1.42 5.90
10:00 3.25 2.43 1.00 5.90
11:00 3.25 2.44 0.95 5.90
12:00 3.25 2.43 0.95 5.90
13:00 3.25 2.44 0.95 5.90
14:00 3.25 2.43 0.95 5.90
15:00 3.25 2.43 0.95 5.90
16:00 3.25 2.43 0.02 5.90
17:00 3.11 2.43 0.95 6.25
18:00 2.50 2.43 0.95 6.25
19:00 2.50 2.43 0.95 6.25
20:00 2.50 2.43 0.95 6.25
21:00 3.11 2.44 0.95 6.25
22:00 6.00 0.95 0.95 6.25
23:00 2.50 0.64 0.27 8.50