Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/23/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 0.83 0.75 0.75 8.75
01:00 0.83 0.75 0.75 8.75
02:00 0.83 0.68 0.27 8.55
03:00 0.83 0.68 0.27 8.55
04:00 0.83 0.68 0.27 8.55
05:00 0.83 0.68 0.27 8.55
06:00 2.52 2.52 1.00 8.55
07:00 2.44 2.44 1.62 5.90
08:00 2.45 2.45 1.40 5.90
09:00 2.47 2.47 1.22 5.90
10:00 2.47 2.47 1.00 5.90
11:00 2.47 2.47 1.00 5.90
12:00 2.47 2.47 1.00 5.90
13:00 2.47 2.47 1.00 5.90
14:00 2.47 2.47 1.00 5.90
15:00 2.47 2.47 1.00 5.90
16:00 2.52 2.52 0.02 5.90
17:00 2.45 2.45 0.94 5.90
18:00 2.45 2.45 0.94 5.90
19:00 2.44 2.44 1.00 49.00
20:00 2.45 2.45 1.00 49.00
21:00 1.99 1.42 1.42 49.00
22:00 1.99 1.60 1.60 49.00
23:00 0.99 0.63 0.27 49.00