Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/16/1999

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 1.19 1.19 0.27 199.00
01:00 1.09 1.09 0.26 199.00
02:00 1.14 1.14 0.27 199.00
03:00 1.09 1.09 0.26 55.00
04:00 1.09 1.09 0.26 55.00
05:00 1.09 1.09 0.26 55.00
06:00 1.09 1.09 0.85 199.00
07:00 1.14 1.14 0.85 199.00
08:00 1.14 1.14 0.35 199.00
09:00 1.14 1.14 0.85 199.00
10:00 1.14 1.14 0.28 199.00
11:00 1.10 1.10 0.27 199.00
12:00 1.10 1.10 0.27 199.00
13:00 1.10 1.10 0.27 199.00
14:00 1.10 1.10 0.27 199.00
15:00 7.00 1.04 0.27 199.00
16:00 15.00 1.04 0.79 55.00
17:00 15.00 1.09 0.79 199.00
18:00 15.00 1.14 0.84 199.00
19:00 15.00 1.09 0.84 199.00
20:00 1.14 1.14 0.55 199.00
21:00 1.14 1.14 0.27 199.00
22:00 6.00 1.14 0.28 199.00
23:00 6.00 1.14 0.27 199.00