Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/19/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 0.80 0.70 0.70 8.55
01:00 0.80 0.70 0.70 8.55
02:00 0.80 0.70 0.70 8.55
03:00 0.80 0.70 0.70 8.55
04:00 0.80 0.70 0.70 8.55
05:00 0.80 0.70 0.70 8.55
06:00 2.45 2.45 0.65 8.55
07:00 3.50 0.80 0.80 5.90
08:00 3.50 0.63 0.02 5.90
09:00 5.50 0.80 0.80 5.90
10:00 5.50 0.63 0.02 5.90
11:00 5.50 0.63 0.02 5.90
12:00 5.50 0.63 0.02 5.90
13:00 5.50 0.63 0.02 5.90
14:00 5.50 0.63 0.02 5.90
15:00 6.00 0.63 0.02 5.90
16:00 6.00 0.63 0.02 5.90
17:00 6.00 0.63 0.02 6.20
18:00 6.00 0.63 0.02 6.20
19:00 6.00 0.63 0.02 6.20
20:00 6.00 0.63 0.02 6.20
21:00 6.00 0.63 0.02 6.20
22:00 2.25 0.75 0.75 6.20
23:00 0.99 0.63 0.27 49.00