ADVANCED ENERGY INDUSTRIES INC (Form: SC 13G/A, Received: 02/11/2002 16:05:40)

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 5)*

Advanced Energy Industries, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

007973100

(CUSIP Number)

December 31, 2001

(Date of Event Which Requires Filing of This Statement)

Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP: 007973100                                                Page 1 of 7

 1   NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
     Capital Group International, Inc.
     95-4154357

 2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
     INSTRUCTIONS)                                                 (a)

                                                                    (b)

 3   SEC USE ONLY




 4   CITIZENSHIP OR PLACE OF ORGANIZATION

     California


              5   SOLE VOTING POWER

                  2,505,400


              6   SHARED VOTING POWER
 NUMBER OF
   SHARES
                  NONE
BENEFICIALL
 Y OWNED BY
              7   SOLE DISPOSITIVE POWER
    EACH
 REPORTING
                  3,180,810
   PERSON
   WITH:

              8   SHARED DISPOSITIVE POWER

                  NONE


 9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     3,180,810   Beneficial ownership disclaimed pursuant to Rule 13d-4


 10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)



 11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     10.0%


 12  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     HC







CUSIP: 007973100                                                Page 2 of 7

1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Capital Guardian Trust Company 95-2553868

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a)

(b)

3 SEC USE ONLY

4 CITIZENSHIP OR PLACE OF ORGANIZATION

California

5 SOLE VOTING POWER

2,272,700

6 SHARED VOTING POWER NUMBER OF SHARES NONE BENEFICIALL Y OWNED BY
7 SOLE DISPOSITIVE POWER EACH REPORTING 2,948,110 PERSON WITH:

8 SHARED DISPOSITIVE POWER

NONE

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

2,948,110 Beneficial ownership disclaimed pursuant to Rule 13d-4

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS)

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

9.3%

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

CUSIP: 007973100                                                Page 3 of 7

SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

Schedule 13G

Under the Securities Exchange Act of 1934

Amendment No. 5

Item 1(a) Name of issuer:
Advanced Energy Industries, Inc.

Item 1(b) Address of issuer's principal executive offices:
1625 Sharp Point Drive
Fort Collins, CO 80525

Item 2(a) Name of person(s) filing:
Capital Group International, Inc. and Capital Guardian Trust Company

Item 2(b) Address or principal business office or, if none,
residence:
11100 Santa Monica Blvd.
Los Angeles, CA 90025

Item 2(c) Citizenship: N/A

Item 2(d) Title of class of securities:
Common Stock

Item 2(e) CUSIP No.:
007973100

Item 3 If this statement is filed pursuant to sections 240.13d-1(b)
or 240.13d-2(b) or (c), check whether the person filings is a:
(b) [X] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
(g) [X] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G).

Item 4 Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

See pages 2 and 3

(a) Amount beneficially owned:
(b) Percent of class:
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
(ii) Shared power to vote or to direct the vote:
(iii) Sole power to dispose or to direct the disposition of:
(iv) Shared power to dispose or to direct the disposition of:

CUSIP: 007973100                                                Page 4 of 7

Capital Group International, Inc. is the parent holding company of a group of investment management companies that hold investment power and, in some cases, voting power over the securities reported in this Schedule 13G. The investment management companies, which include a "bank" as defined in
Section 3(a)6 of the Securities Exchange Act of 1934 (the "Act") and several investment advisers registered under Section 203 of the Investment Advisers Act of 1940, provide investment advisory and management services for their respective clients which include registered investment companies and institutional accounts. Capital Group International, Inc. does not have investment power or voting power over any of the securities reported herein; however, Capital Group International, Inc. may be deemed to "beneficially own" such securities by virtue of Rule 13d-3 under the Act.

Capital Guardian Trust Company, a bank as defined in Section 3(a)6 of the Act is deemed to be the beneficial owner of 2,948,110 shares or 9.3% of the 31,834,410 shares of Common Stock believed to be outstanding as a result of its serving as the investment manager of various institutional accounts.

Shares reported by Capital Group International, Inc. include 13,410 shares resulting from the assumed conversion of $400,000 principal amount of the 5.0% Convertible security, due 9/1/06.

Item 5 Ownership of 5 percent or Less of a Class. If this statement
is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following: [ ]

Item 6 Ownership of More than 5% on Behalf of Another Person: N/A

Item 7 Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

1.
Capital Guardian Trust Company is a bank as defined in
Section 3(a)(6) of the Act and a wholly owned subsidiary of Capital Group International, Inc.

2.
Capital International Research and Management, Inc. dba Capital International, Inc. is an investment adviser registered under Section 203 of the Investment Advisers Act of 1940 and is a wholly owned subsidiary of Capital Group International, Inc.

Item 8 Identification and Classification of Members of the Group:
N/A

Item 9 Notice of Dissolution of Group: N/A

Item 10 Certification

CUSIP: 007973100                                                Page 5 of 7

       By signing below, I certify that, to the best of my knowledge
       and belief, the securities referred to above were acquired and
       are held in the ordinary course of business and were not
       acquired and are not held for the purpose of or with the effect
       of changing or influencing the control of the issuer of the
       securities and were not acquired and are not held in connection
       with or as a participant in any transaction having that purpose
       or effect.

   Signature

       After reasonable inquiry and to the best of my knowledge and
       belief, I certify that the information set forth in this
       statement is true, complete and correct.



        Date:          February 11, 2002


        Signature:     *David I. Fisher

        Name/Title:    David I. Fisher, Chairman

                       Capital Group International, Inc.


        Date:          February 11, 2002


        Signature:     *David I. Fisher

        Name/Title:    David I. Fisher, Chairman

                       Capital Guardian Trust Company




        *By    /s/ Kristine M. Nishiyama

               Kristine M. Nishiyama
               Attorney-in-fact

               Signed pursuant to a Power of Attorney dated December
               19, 2000 included as an Exhibit to Schedule 13G filed
               with the Securities and Exchange Commission by Capital
               Group International, Inc. on February 9, 2001 with
               respect to Abitibi-Consolidated Inc.


















CUSIP: 007973100                                                Page 6 of 7

                               AGREEMENT

                            Los Angeles, CA
                           February 11, 2002

  Capital Group International, Inc. ("CGII") and Capital Guardian
Trust Company ("CGTC") hereby agree to file a joint statement on
Schedule 13G under the Securities Exchange Act of 1934 (the "Act") in
connection with their beneficial ownership of Common Stock issued by
Advanced Energy Industries, Inc.

  CGII and CGTC state that they are each entitled to individually use
Schedule 13G pursuant to Rule 13d-1(c) of the Act.

  CGII and CGTC are each responsible for the timely filing of the
statement and any amendments thereto, and for the completeness and
accuracy of the information concerning each of them contained therein
but are not responsible for the completeness or accuracy of the
information concerning the others.



                 CAPITAL GROUP INTERNATIONAL, INC.

                 BY:              *David I. Fisher

                                   David I. Fisher, Chairman
                                   Capital Group International,
                                   Inc.


                 CAPITAL GUARDIAN TRUST COMPANY

                 BY:              *David I. Fisher

                                   David I. Fisher, Chairman
                                   Capital Guardian Trust Company


*By  /s/ Kristine M. Nishiyama

     Kristine M. Nishiyama
     Attorney-in-fact

     Signed pursuant to a Power of Attorney dated December 19, 2000
     included as an Exhibit to Schedule 13G filed with the Securities
     and Exchange Commission by Capital Group International, Inc. on
     February 9, 2001 with respect to Abitibi-Consolidated Inc.

















CUSIP: 007973100                                                Page 7 of 7