Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/27/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 0.99 0.68 0.27 8.55
01:00 0.83 0.68 0.27 8.55
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 2.51 2.51 1.02 8.55
07:00 1.43 1.43 1.43 5.90
08:00 1.23 1.23 1.23 5.90
09:00 1.40 1.40 1.40 5.90
10:00 2.44 2.44 1.20 5.90
11:00 2.43 2.43 1.22 5.90
12:00 30.00 1.23 1.23 49.00
13:00 30.00 1.23 1.23 49.00
14:00 30.00 1.23 1.23 49.00
15:00 30.00 1.23 1.23 49.00
16:00 30.00 2.43 1.02 49.00
17:00 30.00 2.43 1.22 49.00
18:00 30.00 2.43 1.22 49.00
19:00 2.44 2.44 1.02 49.00
20:00 2.44 2.44 1.20 49.00
21:00 2.43 2.43 1.40 49.00
22:00 30.00 1.60 1.60 49.00
23:00 0.99 0.66 0.27 49.00