Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

06/27/2000

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 1.85 1.85 0.30 17.00
01:00 1.50 0.00 0.00 17.00
02:00 1.50 0.00 0.00 12.75
03:00 1.50 0.00 0.00 12.75
04:00 1.50 0.00 0.00 12.75
05:00 0.80 0.00 0.00 17.00
06:00 0.80 0.00 0.00 17.00
07:00 4.70 0.00 0.00 15.00
08:00 6.68 1.95 0.50 15.00
09:00 6.68 2.29 0.90 25.00
10:00 25.00 2.51 1.52 12.75
11:00 25.00 2.51 1.52 12.75
12:00 25.00 2.51 1.52 12.75
13:00 25.00 2.51 1.52 12.75
14:00 25.00 2.51 1.52 12.75
15:00 25.00 2.51 1.52 12.75
16:00 25.00 2.51 1.52 12.75
17:00 25.00 2.51 1.52 29.90
18:00 25.00 2.51 1.52 50.00
19:00 25.00 2.51 1.52 30.00
20:00 6.68 2.50 1.52 30.00
21:00 6.68 2.51 1.37 30.00
22:00 6.68 2.29 0.90 15.00
23:00 3.00 2.09 0.90 25.00