0001005150-99-000556 11-K 2 19981231 19990628 AES CORPORATION 0000874761 4991 541163725 DE 1231 11-K 34 001-12291 99653990 1001 N 19TH ST STE 2000 ARLINGTON VA 22209 7035221315 11-K 1 000100515099000556-001-seq1-11-k.txt FORM 11-K EX-23.1 2 000100515099000556-002-seq2-ex-23-1.txt EXHIBIT 23.1