Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/15/1999

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 6.00 1.04 0.26 50.00
01:00 6.00 1.04 0.26 50.00
02:00 6.00 1.04 0.26 50.00
03:00 5.00 1.04 0.26 30.00
04:00 4.00 1.04 0.26 30.00
05:00 4.00 1.04 0.26 30.00
06:00 6.00 1.04 0.28 50.00
07:00 6.00 1.09 0.27 50.00
08:00 6.00 1.10 0.28 50.00
09:00 6.00 1.09 0.55 50.00
10:00 6.00 1.14 0.45 50.00
11:00 6.00 1.14 0.45 25.00
12:00 5.00 1.14 0.45 25.00
13:00 5.00 1.09 0.45 25.00
14:00 5.00 1.09 0.45 25.00
15:00 6.00 1.09 0.45 25.00
16:00 6.00 1.24 0.45 25.00
17:00 6.00 1.42 0.35 50.00
18:00 6.00 1.42 1.01 50.00
19:00 6.00 1.42 0.85 50.00
20:00 6.00 1.42 0.85 50.00
21:00 6.00 1.42 0.27 50.00
22:00 5.00 1.13 0.27 50.00
23:00 5.00 1.13 0.27 50.00