Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/20/2001

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 0.99 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 2.52 2.52 1.00 8.55
07:00 1.42 1.42 1.42 5.90
08:00 1.99 1.02 1.02 5.90
09:00 1.99 1.42 1.42 5.90
10:00 1.99 1.20 1.20 5.90
11:00 1.99 1.60 1.60 5.90
12:00 30.00 1.60 1.60 49.00
13:00 30.00 1.60 1.60 49.00
14:00 30.00 1.60 1.60 49.00
15:00 30.00 1.60 1.60 49.00
16:00 30.00 1.43 1.43 49.00
17:00 30.00 1.58 1.58 49.00
18:00 30.00 1.58 1.58 49.00
19:00 2.43 2.43 1.43 5.90
20:00 2.43 2.43 1.58 5.90
21:00 2.43 2.43 1.63 5.90
22:00 2.43 2.43 1.00 6.20
23:00 2.44 2.44 0.27 12.00