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07/26/1998
Questions:
1. How many megawatt hours can each company produce with its present domestic plants on a daily, monthly and yearly basis?
CLECO Responses
ENTERGY Responses
Daily - 41,112 megawatt hours
Monthly - 1,250,490 megawatt hours
Yearly - 15,005,880 megawatt hours
The present operating capability of Entergy System is 21,786 MW. The ability to produce energy is dependent on which units are derated or unavailable due to either planned or forced outages. If all units were available and able to achieve full rated capability, the maximum generation in any one-hour would be 21,786 Mwh.
2. Of that production capability, how much is held in reserve?
CLECO Responses
ENTERGY Responses
Cleco’s planning reserves are 12% of total capacity, which is 205.56 megawatt hours. However, Cleco’s operating reserves are determined daily in coordination with the Southeastern Power Pool. Off-system purchases can provide operating reserves; therefore, operating reserves are not solely provided through System generation. The Entergy System maintains approximately 640 MW of operating reserves.
3. What is the usage rate for each company, by month and year-to-date, in Mwh?
CLECO Responses
ENTERGY Responses
For the year 1997, 71,500 megawatt hours were generated from Toledo Bend.
1998 Toledo Bend
Jan 14,857
Feb 13,407
Mar 14,964
Apr 5,544
May 1,553
June 2,220
The following table shows the Entergy System load served in Mwh by month:
Month System
Jul-97 11,255,084
Aug-97 11,055,736
Sep-97 10,077,269
Oct-97 8,903,163
Nov-97 7,972,291
Dec-97 8,611,204
Jan-98 8,320,716
Feb-98 7,386,525
Mar-98 8,287,264
Apr-98 8,051,621
May-98 10,174,866
Jun-98 11,407,724
4. How much power has each company sold on the open market each month this year in Mwh?
CLECO Responses
ENTERGY Responses
In 1997, Cleco sold 70,000 megawatts hours.
1998 to date 5,000 megawatt hours.
The following table shows the Entergy System load served in Mwh by month:
Month System
Jul-97 306,548
Aug-97 313,637
Sep-97 344,250
Oct-97 268,379
Nov-97 296,666
Dec-97 263,337
Jan-98 184,073
Feb-98 182,755
Mar-98 288,555
Apr-98 161,703
May-98 280,701
Jun-98 456,284
5. Has either company had to curtail power to any customer year-to-date. If yes, when where and for how long?
CLECO Responses
ENTERGY Responses
Cleco does have any interruptable customers but have not had to curtail them as of this date. Yes. The Entergy System serves a class of retail customers whose loads are "non-firm". In other words if capacity is available, then these "non-firm" customer loads are served, and if not then these "non-firm" loads can be curtailed. In 1998, as of July 20, the "non-firm" retail customers have been curtailed on 21 days for capacities ranging from 150 MW to 1597 MW. The average amount of time a "non-firm" retail customer has been interrupted is about 6 hours. Furthermore, the Entergy System serves a class of wholesale customers whose load is "non-firm" and these customers have also been curtailed in 1998.
6. Has either company experienced brownouts in their service region year-to-date? If yes when, where and for how long?
CLECO Responses
ENTERGY Responses
No. No.
7. If the present heat and drought conditions continue, is it predicted that brownouts are likely to occur in the regions serviced by these companies?
CLECO Responses
ENTERGY Responses
Possible, but no predicted. No.
8. What percent of the total power produced by each company is derived from Toledo Bend Reservoir? Annually and May through September? CLECO Responses
ENTERGY Responses
About 1.14% annually for year 1997, for May-Sept. 1997 .8%. For 1998 to date 1.7% While the Entergy System generates the majority of the energy required to serve its load, off-system purchases are used to the extent that they are economical. Therefore, it is more appropriate to consider the Toledo Bend energy as a percentage of System load rather than power generated. The following table shows the amount of energy the Entergy System receives from Toledo Bend and also expresses this energy as a percent of total load provided in response to Question 3:
Month Toledo Bend System Load %
May97 32,289 8,926,972 0.3617
Jun-97 10,470 9,841,889 0.1064
Jul-97 11,625 11,255,084 0.1033
Aug-97 15,375 11,055,736 0.1391
Sep-97 6,660 10,077,269 0.0661
Oct-97 8,310 8,903,163 0.0933
Nov-97 8,160 7,972,291 0.1024
Dec-97 17,619 8,611,204 0.2046
Jan-98 44,571 8,320,716 0.5357
Feb-98 40,221 7,386,525 0.5445
Mar-98 44,892 8,287,264 0.5417
Apr-98 16,632 8,051,621 0.2066
May-98 4,659 10,174,866 0.0458
Jun-98 6,660 11,407,724 0.0584
9. If the power presently produced at Toledo Bend were placed in reserve, instead of on line during peak periods of the day, would there be an increased probability of brownouts by either company?
CLECO Responses
ENTERGY Responses
Yes. No.
10. If the power from Toledo Bend were placed in reserve, would there be an adverse financial impact on the companies?
CLECO Responses
ENTERGY Responses
Yes. Purchasing power on the open market could result in higher prices which would have to be passed on to customers. Yes. The cost would increase.
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