Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/09/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 2.47 2.47 1.97 9.00
01:00 2.46 2.46 1.76 9.00
02:00 2.44 2.44 0.98 8.55
03:00 0.99 0.98 0.98 8.55
04:00 0.99 0.98 0.98 8.55
05:00 2.45 2.45 1.76 8.55
06:00 2.52 2.52 1.97 8.55
07:00 2.50 2.45 2.10 6.25
08:00 2.50 2.45 1.22 6.25
09:00 2.50 2.45 1.22 6.25
10:00 3.25 2.44 0.95 5.90
11:00 3.25 2.45 0.95 5.90
12:00 3.25 2.45 0.95 5.90
13:00 3.25 2.45 0.95 5.90
14:00 3.25 2.45 0.95 5.90
15:00 3.25 2.45 0.95 5.90
16:00 3.25 2.44 0.00 5.90
17:00 2.50 2.44 0.95 6.25
18:00 2.50 2.44 0.95 6.25
19:00 2.50 2.44 0.95 6.25
20:00 2.50 2.44 0.95 6.25
21:00 2.50 2.44 0.95 6.25
22:00 2.50 0.96 0.96 6.25
23:00 2.50 2.44 0.27 8.55