Exhibit A
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COMPANY EWG, OWNERSHIP % OWNED SOUTHERN COMPANY'S DIRECT
SPS OR INDIRECT INVESTMENT IN
IS THIS ENTITY AS DEFINED
ER UNDER RULES 53 AND 58
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Southern Company-Florida, LLC EWG Southern Power 100% $231,329,313
Company
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Southern Company Holdings, Inc. SPS Southern Company 100% -
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Energy Related Activities, Inc. ER Southern Company 100% $1,000
Holdings, Inc.
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Southern Management Development, Inc. ER Southern Company. 100% 0
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Alabama Energy Providers ER Alabama Power Company 100% $1,000
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Alabama Synfuel Energy, Inc. ER Southern Company 100% $11,302,879
Holdings, Inc.
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Synfuel Services, Inc. ER Southern Company 100% $1,000
Holdings, Inc.
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Southern Company Energy Solutions, LLC ER Southern Company 100% $38,537,946
Holdings, Inc.
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Mississippi Power Services, Inc. ER Mississippi Power 100% $10,000
Company
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Southern Energy Carbontronics, Inc. IS Southern Energy 100% -
Finance Company, Inc.
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Southern Energy Carbontronics, L.L.C. ER Southern Energy 99% $63,620,814
Carbontronics, Inc.
Southern Energy
Finance Company, Inc. 1%
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Southern Energy Clairton, Inc. IS Southern Energy 100% -
Finance Company, Inc.
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Southern Energy Clairton, L.L.C ER Southern Energy 85% $92,277,164
Clairton, Inc.
Southern Energy 15%
Clairton2, Inc.
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Southern Energy Clairton2, Inc. IS Southern Energy 100% -
Finance Company, Inc.
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Southern Company Gas LLC ER Southern Company 100% $101,400,855
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Southern Company's aggregate investment as defined under Rules 53 and 58 in EWGs and Energy-Related Companies at September 30, 2002
was $538,481,971.
