Page Ref: P-5
Ancillary Service Prices
Day Ahead Market
12/31/1999
Time Stamp
10 Min Spinning Reserve ($/MWHr)
10 Min Non-Synchronous Reserve ($/MWHr)
30 Min Operating Reserve ($/MWHr)
Regulation ($/MWHr)
00:00
1.09
1.09
0.53
500.00
01:00
1.09
1.09
0.51
500.00
02:00
1.09
1.09
0.51
25.00
03:00
1.09
1.09
0.51
24.00
04:00
1.09
1.09
0.51
24.00
05:00
1.14
1.14
0.51
300.00
06:00
1.17
1.17
0.51
300.00
07:00
1.09
1.09
0.51
50.00
08:00
1.09
1.09
0.49
50.00
09:00
1.09
1.09
0.51
50.00
10:00
1.09
1.09
0.51
30.00
11:00
1.09
1.09
0.51
25.00
12:00
1.09
1.09
0.51
25.00
13:00
1.09
1.09
0.51
25.00
14:00
1.09
1.09
0.51
25.00
15:00
1.09
1.09
0.51
25.00
16:00
1.09
1.09
0.51
50.00
17:00
1.09
1.09
0.53
50.00
18:00
1.09
1.09
0.53
50.00
19:00
1.09
1.09
0.53
50.00
20:00
1.09
1.09
0.53
50.00
21:00
1.10
1.10
0.55
37.69
22:00
30.00
1.19
0.94
300.00
23:00
30.00
1.42
0.85
300.00