Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/06/1999

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 0.85 50.00
01:00 10.00 0.99 0.99 50.00
02:00 10.00 0.99 0.99 50.00
03:00 6.00 0.89 0.85 15.00
04:00 6.00 0.89 0.85 15.00
05:00 6.00 0.89 0.85 15.00
06:00 10.00 0.89 0.85 50.00
07:00 10.00 0.90 0.85 50.00
08:00 6.00 0.94 0.85 50.00
09:00 6.00 0.99 0.85 50.00
10:00 6.00 1.04 1.02 50.00
11:00 6.00 1.04 1.04 25.00
12:00 6.00 0.99 0.85 25.00
13:00 6.00 0.99 0.85 25.00
14:00 6.00 0.94 0.85 25.00
15:00 10.00 0.99 0.85 25.00
16:00 10.00 1.04 1.04 25.00
17:00 10.00 10.00 10.00 50.00
18:00 10.00 2.04 1.35 50.00
19:00 6.00 2.04 0.85 50.00
20:00 10.00 1.42 0.85 50.00
21:00 10.00 1.42 0.85 50.00
22:00 10.00 1.02 1.02 50.00
23:00 6.00 0.93 0.85 50.00