Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/11/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 0.95 0.75 0.65 8.75
01:00 0.95 0.75 0.65 8.75
02:00 0.80 0.75 0.25 8.55
03:00 0.80 0.75 0.25 8.55
04:00 0.80 0.75 0.25 8.55
05:00 0.80 0.75 0.65 8.55
06:00 2.50 2.50 0.65 8.55
07:00 2.50 1.27 1.27 6.25
08:00 3.00 1.97 1.97 5.90
09:00 3.00 1.97 1.97 5.90
10:00 3.25 0.95 0.95 5.90
11:00 3.25 0.95 0.95 5.90
12:00 3.25 0.95 0.95 5.90
13:00 3.25 0.95 0.95 5.90
14:00 3.25 0.95 0.95 5.90
15:00 3.25 0.95 0.95 5.90
16:00 3.25 2.43 0.35 5.90
17:00 3.00 2.43 0.95 6.25
18:00 3.00 2.43 0.35 6.25
19:00 3.00 2.43 0.35 6.25
20:00 3.00 2.43 0.95 6.25
21:00 2.75 2.43 0.95 6.25
22:00 6.00 1.43 1.43 6.25
23:00 2.75 0.63 0.24 8.55