Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/26/1999

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 5.00 1.11 0.55 16.95
01:00 5.00 1.11 0.53 16.95
02:00 5.00 1.11 0.53 16.95
03:00 5.00 1.11 0.53 16.75
04:00 5.00 1.11 0.53 16.75
05:00 5.00 1.11 0.53 16.75
06:00 5.00 1.11 0.55 25.00
07:00 5.00 1.11 0.53 25.00
08:00 5.00 1.11 0.53 25.00
09:00 5.00 1.11 0.53 25.00
10:00 5.00 1.11 0.53 60.00
11:00 5.00 1.11 0.51 60.00
12:00 5.00 1.11 0.51 60.00
13:00 5.00 1.11 0.51 60.00
14:00 5.00 1.11 0.51 60.00
15:00 5.00 1.11 0.51 60.00
16:00 5.00 1.11 0.51 60.00
17:00 6.00 1.11 0.53 70.00
18:00 6.00 1.11 0.53 70.00
19:00 6.00 1.11 0.53 70.00
20:00 10.00 1.14 0.51 70.00
21:00 10.00 1.14 0.55 100.00
22:00 10.00 1.19 0.85 200.00
23:00 10.00 1.14 0.51 200.00