FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of

September, 2016

Commission File Number: 001-37724

Endesa Américas S.A.

Endesa Américas S.A.

(Translation of Registrant's Name into English)

Santa Rosa 76,

Santiago, Chile

(56) 22630 9000

(Address of principal executive office)

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

Form 40-F

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):

Yes

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):

Yes

Indicate by check mark whether by furnishing the information

contained in this Form, the Registrant is also thereby furnishing the information to the Commission

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

Yes

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A

No Offer or Solicitation

This communication does not constitute an offer to buy or sell or the solicitation of an offer to buy or sell any securities or a solicitation of any vote or approval. This communication relates to a proposed merger between Enersis Américas S.A. (“Enersis Américas”) and Endesa Américas S.A. (“Endesa Américas”).

Important Information For Investors and Shareholders

~~This~~In ~~communication~~connection ~~relates~~with tothe a proposed merger, ~~between~~Enersis ~~Endesa~~ Américas ~~S.A.~~has ~~(“Endesa~~filed ~~Américas”)~~with ~~and~~the ~~Enersis~~Securities ~~Américas~~and ~~S.A.~~Exchange Commission (~~“Enersis~~the ~~Américas~~“SEC”)~~. In~~ ~~connection~~a ~~with~~registration ~~the~~statement ~~proposed~~on ~~merger,~~Form ~~Endesa~~F-4 ~~Américas~~(Registration ~~and~~No. ~~Enersis~~333-211405) ~~Américas~~containing ~~are~~a ~~distributing~~preliminary aprospectus ~~joint~~of ~~information~~Enersis ~~statement/prospectus~~Américas ~~containing~~that ~~information~~also ~~about~~constitutes ~~the~~a ~~proposed~~preliminary ~~merger~~joint toinformation ~~their~~statement ~~respective~~of ~~shareholders~~Enersis Américas and ~~holders~~Endesa ofAméricas ~~American~~regarding ~~Depositary~~the ~~Shares~~proposed merger (~~ADSs). The~~the ~~joint~~“preliminary prospectus/information statement~~/prospectus~~”). isThe ~~included~~information contained in the ~~registration~~preliminary prospectus/information statement onis ~~Form~~not ~~F-4~~complete ~~(Registration~~and ~~No.~~may ~~333-211405)~~be ~~filed~~changed ~~with~~and the ~~Securities~~registration ~~and~~statement ~~Exchange~~has ~~Commission~~not (been declared effective by the “SEC”). ~~Shareholders~~ ~~and~~Each ~~ADS holders~~ of ~~Endesa~~Enersis Américas and ~~Enersis~~Endesa Américas ~~are~~may ~~urged~~file towith ~~read~~ the ~~joint~~SEC ~~information statement/prospectus and~~ other documents ~~filed with the SEC carefully and~~ in ~~their~~connection ~~entirety~~with ~~because they contain important information about Endesa Américas, Enersis Américas and~~ the proposed merger.

~~Investors~~This ~~and~~communication ~~security~~is ~~holders~~not ~~may~~a ~~obtain~~substitute ~~free~~for ~~copies of~~ the definitive prospectus/information statement ~~and~~that ~~other documents filed with the SEC by~~ Enersis Américas and Endesa Américas onwill ~~the~~file ~~SEC’s website at www.sec.gov. Copies of the prospectus/information statement and the other documents filed~~ with the SEC, bywhich ~~Endesa~~will ~~Américas~~contain ~~are~~important ~~also~~information, ~~available~~including ~~free~~detailed ofrisk ~~charge on the Endesa Américas Investor Relations website at www~~factors.~~endesaamericas.cl~~ The ordefinitive byprospectus/information ~~contacting~~statement ~~Endesa~~(when ~~Américas~~available) ~~S.A.~~will atbe ~~Santa~~sent ~~Rosa~~to ~~76,~~shareholders ~~Piso~~and ~~15,~~holders ~~Santiago,~~of ~~Chile,~~American ~~Attention:~~Depositary ~~Investor~~Receipts ~~Relations~~(ADRs) ~~or by phone at +56 2 2630 9000 or by E-mail at ir@endesa.cl. Copies~~ of ~~the~~Enersis ~~prospectus/information~~Américas ~~statement~~ and ~~the~~Endesa ~~other documents filed with the SEC by Enersis~~ Américas. ~~are~~INVESTORS ~~available~~AND ~~free~~SECURITY ofHOLDERS ~~charge~~OF onENERSIS ~~the~~AMÉRICAS ~~Enersis~~AND ~~Américas~~ENDESA ~~Investor~~AMÉRICAS ~~Relations~~ARE ~~website~~URGED atTO ~~www.enersisamericas.cl~~READ orTHE byDEFINITIVE ~~contacting~~PROSPECTUS/INFORMATION ~~Enersis~~STATEMENT ~~Américas~~AND ~~S.A.~~OTHER atDOCUMENTS ~~Santa~~THAT ~~Rosa~~ARE ~~76,~~FILED ~~Piso~~OR ~~15,~~MAY ~~Santiago,~~BE ~~Chile,~~FILED ~~Attention:~~WITH ~~Investor~~THE ~~Relations~~SEC orCAREFULLY byAND ~~phone~~IN atTHEIR ~~+56~~ENTIRETY 2BECAUSE ~~2353~~THEY ~~4400~~CONTAIN orOR byWILL ~~E-mail~~CONTAIN atIMPORTANT ~~ir@enersis~~INFORMATION.~~cl.~~

Investors and security holders will be able to obtain free copies of the definitive prospectus/information statement and other documents filed with the SEC by Enersis Américas and Endesa Américas on the SEC’s website at www.sec.gov. Copies of the definitive prospectus/information statement and the other documents filed with the SEC by Enersis Américas will also be available free of charge on the Enersis Américas Investor Relations website at www.enersisamericas.cl or by contacting Enersis Américas S.A. at Santa Rosa 76, Piso 15, Santiago, Chile, Attention: Investor Relations or by phone at +56 2 2353 4400 or by E-mail at ir@enersis.cl. Copies of the definitive prospectus/information statement and the other documents filed with the SEC by Endesa Américas will be available free of charge on the Endesa Américas Investor Relations website at www.endesaamericas.cl or by contacting Endesa Américas S.A. at Santa Rosa 76, Piso 15, Santiago, Chile, Attention: Investor Relations or by phone at +56 2 2630 9000 or by E-mail at ir.endesacl@enel.com.

Endesa Américas - Teléfono (56) 22630 9000 – Santa Rosa 76, Santiago de Chile

SIGNIFICANT EVENT

Endesa Américas S.A.

Securities Registry Registration N°No. 1138

Santiago, September 813, 2016

Ger. Gen. N° 5354/2016

~~Sirs~~Mr. Carlos Pavez T.

Superintendent of Securities and Insurance

~~Avenida~~Superintendence ~~Alameda~~of ~~Bernardo~~Securities ~~O’Higgins~~and ~~No. 1449~~Insurance

Av. Libertador General Bernardo O’Higgins N°1449

Santiago, Chile

~~Dear Sir~~Ref.: Significant Event

~~Pursuant~~Dear ~~to the provisions of article 9 and paragraph two of article 10~~Sir, of Securities Market Law No. 18,045, and to the established provisions of General Norm No. 30 of that Superintendence, duly empowered on behalf of Endesa Américas S.A. (“Endesa Américas” or the “Company”), inform you by Significant Event, as has already been communicated by Enersis Américas S.A., that today the Securities and Exchange Commission (“SEC”) of the United States of Americas has declared the validity or “effectiveness” of the Registration Statement on Form F-4 (“Form F-4”), filed by Enersis Américas S.A. with said authority, in accordance with the Securities Act of 1933, to register the issuance of shares and American Depositary Shares (“ADS”) by Enersis Américas as a result of the capital increase, which will be the objective in the event the merger with its affiliates Endesa Américas S.A. and Chilectra Américas is approved.

~~Under~~In ~~the~~accordance ~~United~~with ~~States~~articles ~~rules~~9 ~~applicable~~and to10, ~~the~~paragraph ~~case~~2, ~~the~~under ~~information~~Securities ~~statement/prospectus~~Market ~~that~~Law isN°18,045, ~~part~~and ofas ~~the~~established ~~Form~~under ~~F-4~~General ~~will~~Norm beN°30 ~~made available to shareholders and holders~~ of ~~ADSs~~the toSuperintendence, ~~inform~~duly ~~them~~authorized ~~about matters to be voted~~ on atbehalf ~~the upcoming extraordinary shareholders’ meetings~~ of ~~Enersis~~Endesa Américas S.A. ~~and~~ (“Endesa Américas”, tothe ~~be held on September 28~~“Company,” ~~2016,~~or ~~and about~~ the ~~shares~~“Society”) ~~and~~I ~~ADSs~~hereby ofinform ~~Enersis~~you ~~Américas S.A. that will be offered in exchange to holders~~ of ~~Endesa~~the ~~Américas~~following ~~shares~~Significant ~~and ADSs in the merger.~~Event:

~~Additionally,~~Regarding ~~and~~the intender ~~accordance~~offer ~~with~~for the ~~provisions~~acquisition of ~~General~~shares ~~Norm No. 30 of~~ that ~~Superintendence,~~Enersis weAméricas ~~inform~~S.A. ~~you~~has ~~that~~presented ~~the~~in ~~aforementioned~~relation ~~declaration~~to ofall ~~effectiveness of~~ the ~~Form~~shares ~~F-4~~issued ~~allows~~by Endesa Américas to("OPA," ~~confirm that the event described~~ in ~~the~~its ~~Significant~~Spanish ~~Event~~acronym) ofand the ~~Company~~tender ~~dated~~offer ~~August~~in ~~16,~~relation ~~2016,~~to ~~consisting~~all of the ~~possibility~~American ~~that~~Depositary ~~the~~Shares ~~next~~of ~~Extraordinary~~Endesa ~~Shareholders’~~Américas ~~Meeting~~and toall bethe ~~held~~shares onof ~~September~~the 28Company ~~would~~whose beholders ~~postponed~~are asresidents ~~a result~~ of ~~not~~the ~~obtaining~~United aStates ~~timely~~I ~~declaration~~inform ofyou ~~effectiveness~~the ~~can no longer occur.~~following:

~~Finally~~Today, wepursuant ~~inform~~to ~~shareholders~~Article ~~and~~207 ~~the~~letter ~~market~~c) inof ~~general~~Securities ~~that~~Market aLaw ~~complete~~N°18,045, ~~copy~~the ofCompany has received the ~~information~~individual ~~statement/prospectus~~reports ~~referred~~of toCompany’s ~~above~~Directors, isRafael ~~available~~Fauquié B., asVittorio ofVagliasindi, ~~this~~Hernán ~~date~~Cheyre V., onEduardo ~~the~~Novoa ~~Company’s~~C., ~~website:~~Loreto ~~www~~Silva R.~~enersis~~, Francesco Buresti, Mauro Di Carlo, Umberto Magrini and Luca Noviello.~~cl.~~

Also, in accordance with Article 207 letter c), I hereby communicate that the aforementioned reports and the Prospectus of the OPA have been made available to the general public and shareholders on the Company’s website (www.endesaamericas.cl) and at its corporate offices located in Santa Rosa 76, 15^th floor, Santiago.

Sincerely yours,

Valter Moro

Chief Executive Officer

Endesa Américas S.A.

c.c. Banco Central de Chile (Central Bank of Chile)

Bolsa de Comercio de Santiago (Santiago Stock Exchange)

Bolsa Electrónica de Chile (Chile Electronic Stock Exchange)

Bolsa de Corredores de Valparaíso (Valparaíso Stock Exchange)

Banco Santander Santiago – Representante de Tenedores de Bonos (Bondholders Representative)

Depósito Central de Valores (Central Securities Depositary)

Comisión Clasificadora de Riesgo (Risk Classification Commission)

Fiscalía Nacional Económica (National Economic Affairs Investigation Bureau)

Endesa Américas - Teléfono (56) 22630 9000 – Santa Rosa 76, Santiago de Chile

Sincerely,

Valter MoroChief Executive OfficerEndesa Américas S.A.

c.c. Central Bank of Chile Santiago Stock Exchange Chilean Electronic Stock Exchange Valparaíso Stock Exchange Banco Santander Santiago – Bondholders Representatives Central Securities Depositary Risk Classification Commission National Economic Prosecutor's Office

Endesa Américas - Teléfono (56) 22630 9000 – Santa Rosa 76, Santiago de Chile

SIGNATURES

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.

	ENDESA AMÉRICAS S.A.
	BY:	/S/ Valter Moro
		Valter Moro Chief Executive Officer
Dated: September 9, 2016
Dated: September 14, 2016

Filing Compare · Endesa Americas S.A.