Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/02/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 2.50 2.50 0.95 9.50
01:00 0.83 0.67 0.27 9.50
02:00 0.83 0.67 0.27 8.55
03:00 0.80 0.67 0.27 8.55
04:00 0.80 0.67 0.02 8.55
05:00 2.48 2.48 0.02 8.55
06:00 2.48 2.48 0.02 8.55
07:00 2.45 2.45 1.10 5.90
08:00 5.50 2.45 1.10 6.92
09:00 5.50 2.45 0.80 6.92
10:00 5.50 2.45 0.02 5.90
11:00 5.50 2.52 0.80 5.90
12:00 5.50 2.52 0.80 5.90
13:00 2.75 2.52 0.80 5.90
14:00 2.75 2.52 0.80 5.90
15:00 2.75 2.52 0.80 5.90
16:00 3.30 3.30 3.30 6.92
17:00 3.30 3.30 3.30 6.92
18:00 5.50 3.30 3.30 6.92
19:00 5.50 2.52 0.02 6.92
20:00 5.50 2.52 0.80 6.92
21:00 5.50 2.46 0.80 6.92
22:00 5.50 2.52 0.80 5.90
23:00 2.46 2.46 0.02 9.00