UNITED STATES OF AMERICA
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

PURSUANT TO RULE 13-A - 16 OR 15D - 16

OF THE SECURITIES AND EXCHANGE ACT OF 1934

~~February~~May 2817, 2005

Commission File Number: 1-13210

AES GENER S.A.
(Exact name of registrant as specified in its charter)

AES GENER INC.
(Translation of registrant's name into English)

Mariano Sanches Fontecilla 310, 3rd, Floor, Santiago Chile (562) 686 8900

(Address and phone number of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission

pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o No x

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-

On February 24, 2005, the Registrant filed with the Superintendencia de Valores y Seguros of Chile (the "SVS") a letter to update the information related to Official Notice No. 00425 sent by the SVS on January 14, 2005.

Attached is an English translation of the report that was filed with the SVS.

EXHIBIT INDEX

Page 1. ~~Letter~~Appointment ~~related~~of tonew ~~Official~~directors ~~Notice~~committee ~~No. 00425~~ 2

EXHIBIT 1

G.G. 2005 / 149 Santiago, ~~February~~May ~~24th~~13th, 2005

Rol . S.V.S. NoN. 4272

Mr. Alejandro Ferreiro Yazigi

Superintendent of ~~Securities~~ Insurance and ~~Insurances~~ Securities

~~Superintendence~~Re.: Informs appointment of ~~Securities~~new ~~and~~Directors Committee of AES Gener S.A. ~~Insurances~~ ________________________________________________________________________________

Re.: Notice No. 00425 dated January 14th, 2005
Dear Sir:

~~Consistent~~By ~~with~~note ~~the~~of ~~indicated~~this insame ~~the~~date ~~Notice~~we informed said Superintendency of the ~~reference,~~resignation submitted ~~and~~by inMr. ~~order~~Edgardo Campelo to his position of Permanent Director of the ~~update~~Board and the ~~information~~resignation ~~sent~~submitted toby ~~said~~Mr. ~~Superintendence~~Sergio onQuinones ~~January~~to ~~18th,~~the ~~this~~position ~~year,~~of weAlternate ~~inform~~Director ~~you~~of the ~~following:~~ former.

~~1.-~~In ~~The~~addition, ~~producers~~Messrs. ofCampelo ~~the~~and ~~Sierra~~Quinones ~~Chata~~resigned, ~~Consortium of the Neuquen Basin~~respectively, ~~responsible~~ ~~for supplying natural gas~~ to the ~~Nueva Renca Plant -owned by our~~ ~~subsidiary~~positions ~~Sociedad Electrica Santiago S.A.-, are delivering alternative energy to the Argentine domestic market, in agreement with the regulations~~ of ~~said country~~Permanent ~~(Resolution~~and ~~659/04~~Alternate ofmembers ~~the Secretariat~~ of ~~Energy). The hereinbefore mentioned, has allowed~~ the ~~Sierra~~Directors ~~Chata~~Committee ~~Consortium~~of ~~to keep operating their natural gas export authorization to our country, without affecting~~ the ~~supply to~~ ~~the Nueva Renca Plant, which is currently operating with natural gas and at full-scale~~Company.

~~2.-~~ Considering ~~said~~the ~~contribution~~above ofand ~~alternative~~in ~~energy~~compliance towith ~~the~~Communication ~~Argentine domestic~~N. ~~market,~~1526 ~~the~~of ~~costs~~said Superintendency ~~for~~of ~~the~~Securities ~~operation~~and ofInsurances, ~~the~~being ~~Nueva~~vacant ~~Renca~~the ~~plant~~positions ~~currently~~of one ~~amount~~Permanent toDirector ~~US$26,6/MWh,~~and ~~figure~~her ~~which~~Alternate isDirector ~~favorably~~that ~~compared~~form ~~with~~the Committee, the ~~amount~~Board of Directors of ~~US$84/MWh~~ the Company, ~~reported~~at inordinary ~~our~~session ~~letter~~held ~~dated~~on ~~January~~May ~~18th~~11th, 2005, appointed ~~corresponding~~a tonew ~~the operation~~Directors Committee, in accordance with ~~fuel~~that ~~oil~~stated in Article 50 bis of Corporations Law N. 18.046.

~~3.-~~Said ~~With~~Committee ~~regard~~is toformed ~~the~~by ~~effects~~Permanent ~~that~~Directors ~~natural~~Messrs. ~~gas~~Rene ~~supply~~Cortazar ~~restrictions from~~Sanz, ~~Argentina~~Eduardo ~~have~~Dutrey onand ~~AES~~Axel ~~Gener~~Christensen ~~S.A.,~~De wela ~~indicate~~Cerda- ~~that~~appointed ~~they~~to ~~are~~replace ~~still~~Mr. Campelo- ~~represented~~and ~~by the~~their ~~greater~~respective ~~operational~~Alternate ~~costs~~Directors. SoIn ~~far~~accordance itwith isthat stated ~~not~~in ~~possible~~Item to6. ~~define~~of ~~the quantification~~Article ~~over~~50 ~~results,~~bis asof ~~they~~Corporations ~~depend,~~Law toN. ~~a greater extent~~18.046, onit ~~the~~is ~~different~~expressly ~~generation~~informed ~~scenarios~~that ~~and~~all ~~variables~~ of the ~~power~~Directors ~~system.~~are related to the controlling                             company.

This Notice is given in accordance with Communication N. 1526 and in compliance with Article 68 of Security Exchange Law N. 18.045.

Cordially,



~~Francisco~~Luis ~~Castro~~Felipe Ceron Ceron ~~Crichton~~ Chief Executive Officer AES Gener S.A.

~~Chief Executive Officer (s)~~ 2

AES Gener S.A.
SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

AES GENER S.A.

(Registrant)

Date: ~~February~~May 2817, 2005 By: /s/ FRANCISCO CASTRO Francisco Castro Chief Financial Officer

3

Filing Compare · AES GENER INC