Page Ref: P-5
Ancillary Service Prices
Day Ahead Market
12/23/1999
Time Stamp
10 Min Spinning Reserve ($/MWHr)
10 Min Non-Synchronous Reserve ($/MWHr)
30 Min Operating Reserve ($/MWHr)
Regulation ($/MWHr)
00:00
1.10
1.10
0.46
50.00
01:00
1.10
1.10
0.45
50.00
02:00
1.09
1.09
0.46
50.00
03:00
1.09
1.09
0.46
30.00
04:00
1.09
1.09
0.45
30.00
05:00
1.10
1.10
0.46
50.00
06:00
1.10
1.10
0.85
50.00
07:00
1.10
1.10
0.50
50.00
08:00
1.10
1.10
0.50
50.00
09:00
1.10
1.10
0.50
50.00
10:00
1.10
1.10
0.50
50.00
11:00
1.10
1.10
0.50
50.00
12:00
1.10
1.10
0.50
50.00
13:00
1.10
1.10
0.50
50.00
14:00
1.10
1.10
0.48
50.00
15:00
1.10
1.10
0.46
50.00
16:00
1.09
1.09
0.50
50.00
17:00
1.09
1.09
0.50
60.00
18:00
1.09
1.09
0.50
60.00
19:00
1.09
1.09
0.50
60.00
20:00
1.09
1.09
0.50
60.00
21:00
1.09
1.09
0.50
50.00
22:00
6.00
1.09
0.50
189.69
23:00
6.00
1.09
0.48
189.69