Page Ref: P-5
Ancillary Service Prices
Day Ahead Market
12/18/1999
Time Stamp
10 Min Spinning Reserve ($/MWHr)
10 Min Non-Synchronous Reserve ($/MWHr)
30 Min Operating Reserve ($/MWHr)
Regulation ($/MWHr)
00:00
0.89
0.89
0.44
50.00
01:00
6.00
0.89
0.46
50.00
02:00
6.00
0.89
0.46
200.00
03:00
1.00
0.89
0.46
17.00
04:00
1.00
0.89
0.46
17.00
05:00
1.00
0.89
0.46
17.00
06:00
1.00
0.94
0.84
50.00
07:00
1.00
0.89
0.84
50.00
08:00
1.00
0.89
0.84
50.00
09:00
1.00
0.89
0.85
50.00
10:00
1.00
0.89
0.85
50.00
11:00
0.89
0.89
0.85
25.00
12:00
0.89
0.89
0.85
25.00
13:00
0.89
0.89
0.85
25.00
14:00
0.89
0.89
0.85
25.00
15:00
0.89
0.89
0.85
25.00
16:00
1.00
0.89
0.85
25.00
17:00
1.00
0.89
0.89
50.00
18:00
1.00
0.89
0.89
50.00
19:00
1.00
0.89
0.85
50.00
20:00
1.00
0.89
0.84
25.00
21:00
1.00
0.89
0.84
25.00
22:00
1.00
0.89
0.84
25.00
23:00
1.00
0.89
0.45
25.00