Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

04/05/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 1.01 1.01 0.88 8.55
01:00 0.87 0.87 0.87 8.55
02:00 0.87 0.87 0.87 8.55
03:00 0.87 0.87 0.87 8.55
04:00 0.87 0.87 0.87 8.55
05:00 2.47 2.47 0.90 8.55
06:00 2.52 2.52 0.88 8.55
07:00 2.35 0.96 0.96 7.00
08:00 2.45 2.45 0.89 7.00
09:00 2.50 2.50 0.98 7.00
10:00 2.50 2.50 0.90 5.90
11:00 2.50 2.50 0.90 5.90
12:00 2.50 2.50 0.90 5.90
13:00 2.48 0.88 0.88 5.90
14:00 2.48 0.88 0.88 5.90
15:00 2.48 0.88 0.88 5.90
16:00 2.43 2.43 0.88 7.00
17:00 2.43 2.43 0.88 7.00
18:00 2.44 2.44 0.88 7.00
19:00 2.44 2.44 0.88 7.00
20:00 2.44 2.44 0.88 7.00
21:00 2.43 2.43 0.89 7.00
22:00 2.35 0.91 0.91 6.95
23:00 2.43 2.43 0.85 8.55