Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

03/29/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 2.45 2.45 0.90 45.00
01:00 2.46 2.46 0.89 45.00
02:00 0.83 0.58 0.45 8.55
03:00 0.83 0.58 0.45 8.55
04:00 0.83 0.58 0.45 8.55
05:00 2.46 2.46 0.89 8.55
06:00 2.52 2.52 0.45 8.55
07:00 2.50 2.50 0.88 5.90
08:00 2.50 2.50 0.88 5.90
09:00 2.50 2.50 0.88 5.90
10:00 2.49 2.49 0.86 5.90
11:00 2.49 2.49 0.86 5.90
12:00 2.49 2.49 0.86 5.90
13:00 2.49 2.49 0.86 5.90
14:00 2.49 2.49 0.86 5.90
15:00 2.49 2.49 0.86 5.90
16:00 2.50 2.49 0.90 8.50
17:00 2.50 2.49 0.91 8.50
18:00 2.50 2.49 0.91 8.50
19:00 2.51 2.51 0.91 8.50
20:00 2.49 2.49 0.87 5.90
21:00 2.49 2.49 0.87 5.90
22:00 2.50 2.50 0.87 5.90
23:00 2.48 0.85 0.85 8.55