Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/02/1999

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 10.00 0.89 0.89 50.00
01:00 10.00 0.89 0.89 50.00
02:00 10.00 0.89 0.89 50.00
03:00 8.00 0.89 0.89 18.00
04:00 8.00 0.89 0.89 18.00
05:00 8.00 0.89 0.89 18.00
06:00 8.00 0.89 0.89 50.00
07:00 8.00 0.89 0.89 25.00
08:00 8.00 1.19 0.89 50.00
09:00 12.00 1.19 0.89 50.00
10:00 12.00 1.19 0.89 50.00
11:00 8.00 0.94 0.89 18.00
12:00 8.00 0.89 0.89 18.00
13:00 8.00 0.89 0.89 18.00
14:00 8.00 0.89 0.89 18.00
15:00 6.00 0.89 0.89 18.00
16:00 8.00 0.94 0.89 18.00
17:00 12.00 1.24 0.89 50.00
18:00 11.00 1.24 0.89 50.00
19:00 11.00 1.24 0.89 50.00
20:00 11.00 1.09 0.89 50.00
21:00 10.00 0.99 0.89 23.00
22:00 8.00 0.94 0.89 23.00
23:00 8.00 0.89 0.85 23.00