Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/22/1999

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 1.11 1.11 0.44 50.00
01:00 1.11 1.11 0.25 50.00
02:00 1.12 1.12 0.25 200.00
03:00 1.10 1.10 0.25 32.21
04:00 1.10 1.10 0.25 32.21
05:00 1.10 1.10 0.44 32.21
06:00 1.12 1.12 0.50 192.69
07:00 1.11 1.11 0.46 192.69
08:00 1.11 1.11 0.44 192.69
09:00 1.11 1.11 0.44 192.69
10:00 1.12 1.12 0.48 192.69
11:00 1.12 1.12 0.48 50.00
12:00 1.12 1.12 0.48 50.00
13:00 1.12 1.12 0.48 50.00
14:00 1.12 1.12 0.48 50.00
15:00 1.12 1.12 0.48 50.00
16:00 1.12 1.12 0.48 32.21
17:00 5.00 1.11 0.50 192.69
18:00 1.11 1.11 0.50 192.69
19:00 1.11 1.11 0.84 192.69
20:00 1.11 1.11 0.46 192.69
21:00 1.11 1.11 0.46 192.69
22:00 1.12 1.12 0.46 50.00
23:00 1.12 1.12 0.46 50.00