Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/10/1999

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 6.00 1.14 0.50 50.00
01:00 6.00 1.14 0.50 50.00
02:00 6.00 1.14 0.50 50.00
03:00 6.00 1.14 0.50 25.00
04:00 6.00 1.14 0.50 25.00
05:00 6.00 1.14 0.50 25.00
06:00 6.00 1.04 0.55 50.00
07:00 6.00 1.14 0.84 50.00
08:00 6.00 1.14 0.85 50.00
09:00 1.14 1.14 0.85 50.00
10:00 2.89 1.14 0.85 50.00
11:00 1.14 1.14 0.85 25.00
12:00 1.14 1.14 0.84 25.00
13:00 1.14 1.14 0.79 25.00
14:00 1.14 1.14 0.79 25.00
15:00 1.14 1.14 0.84 25.00
16:00 1.04 1.04 0.85 25.00
17:00 12.00 1.19 1.04 50.00
18:00 6.00 1.04 0.85 50.00
19:00 6.00 1.04 0.85 50.00
20:00 12.00 1.04 0.84 50.00
21:00 6.00 1.04 0.75 50.00
22:00 6.00 1.04 0.85 50.00
23:00 6.00 1.04 0.65 50.00