Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/21/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 2.52 2.52 1.02 49.00
01:00 0.98 0.98 0.27 49.00
02:00 0.98 0.98 0.27 8.55
03:00 0.98 0.98 0.27 8.55
04:00 0.98 0.98 0.27 8.55
05:00 1.00 1.00 1.00 49.00
06:00 2.52 2.52 1.23 8.55
07:00 2.47 2.47 1.58 5.90
08:00 2.47 2.47 1.23 5.90
09:00 2.47 2.47 1.23 5.90
10:00 3.50 2.47 0.80 5.90
11:00 3.50 2.47 0.80 5.90
12:00 3.50 2.47 0.80 5.90
13:00 3.50 2.47 0.80 5.90
14:00 3.50 2.47 0.80 5.90
15:00 3.50 2.47 0.80 5.90
16:00 3.25 2.47 0.02 5.90
17:00 2.47 2.47 0.02 6.20
18:00 2.47 2.47 0.02 6.20
19:00 2.47 2.47 0.75 7.95
20:00 2.47 2.47 0.02 7.95
21:00 2.46 2.46 0.75 7.95
22:00 2.46 2.46 1.02 49.00
23:00 2.44 2.44 0.75 49.00