Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

04/09/2001

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 0.83 0.82 0.75 8.55
02:00 0.83 0.82 0.75 8.55
03:00 0.83 0.82 0.75 8.55
04:00 0.83 0.82 0.75 8.55
05:00 2.47 2.47 0.88 8.55
06:00 2.52 2.52 0.85 8.55
07:00 2.50 2.45 0.86 6.00
08:00 2.50 2.44 0.87 6.00
09:00 2.50 2.45 0.86 6.00
10:00 2.50 2.50 0.86 5.90
11:00 2.50 2.50 0.86 5.90
12:00 2.50 2.50 0.85 5.90
13:00 2.50 2.50 0.85 5.90
14:00 2.50 2.45 0.85 5.90
15:00 2.50 2.45 0.85 5.90
16:00 2.45 2.45 0.00 7.25
17:00 2.45 2.45 0.00 7.25
18:00 2.45 2.45 0.00 7.25
19:00 2.45 2.45 0.00 7.25
20:00 2.45 2.45 0.00 7.25
21:00 2.45 2.45 0.85 7.25
22:00 2.45 2.45 0.85 7.25
23:00 2.45 2.45 0.85 8.55