SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


FORM 8-K
Amendment No.1

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): August 18, 2000

ADVANCED ENERGY INDUSTRIES, INC.
(Exact Name of Registrant as Specified in Charter)

          Delaware                     000-26966                84-0846841
(State or Other Jurisdiction    (Commission File Number)      (IRS Employer
      of Incorporation)                                     Identification No.)

1625 Sharp Point Drive, Fort Collins, Colorado       80525
 (Address of Principal Executive Offices)          (Zip Code)

Registrant's telephone number, including area code: (970) 221-4670

N/A

(Former Name or Former Address, if Changed Since Last Report)

1

Item 7 Financial Statements, Pro Forma Financial Information and Exhibits.

Exh. No.                Description

  23.1              Consent of Arthur Anderson, dated September 15, 2000
  23.2              Consent of KPMG, dated September 15, 2000

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 hereunto duly authorized.

Date:    September 15, 2000                 Advanced Energy Industries, Inc.




                                       By:    /s/ DOUGLAS S. SCHATZ
                                              --------------------------

Title: Chairman of the Board and Chief Executive Officer

28

EX-23.1

CONSENT OF ARTHUR ANDERSEN LLP

ARTHUR ANDERSEN LLP

EXHIBIT 23.1

CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation of our report included in this Form 8-K, into the Company's previously filed Registration Statements on Form S-8 (File Nos. 333-01616, 333-04073, 333-46705, 333-57233, 333-65413, 333-79425 and 333-79429).

Arthur Andersen LLP

Denver, Colorado,

September 15, 2000.

29

EX-23.2

CONSENT OF KPMG LLP

EXHIBIT 23.2

CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

To the Board of Directors
Advanced Energy Industries, Inc.:

We consent to the inclusion of our report dated January 16, 1998 with respect to the consolidated statements of income, shareholders' equity and cash flows of RF Power Products, Inc. and subsidiary, for the year ended November 30, 1997 and the related schedule (not separately presented herein), which report appears in the Form 8-K/A of Advanced Energy Industries, Inc. dated September 19, 2000. We also consent to incorporation by reference of such report in the registration statements (Nos. 333-79425 and 333-79429) on Form S-8 and the registration statement (No. 333-37378) on Form S-3 of Advanced Energy Industries, Inc.

KPMG LLP

Philadelphia, Pennsylvania
September 15, 2000

30

WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

ARTICLE 5
RESTATED: 1
MULTIPLIER: 1,000


PERIOD TYPE YEAR YEAR YEAR YEAR
FISCAL YEAR END DEC 31 1995 DEC 31 1996 DEC 31 1997 DEC 31 1998
PERIOD START JAN 01 1995 JAN 01 1996 JAN 01 1997 JAN 01 1998
PERIOD END DEC 31 1995 DEC 31 1996 DEC 31 1997 DEC 31 1998
CASH 15,243 12,455 12,376 12,875
SECURITIES 0 0 20,175 15,839
RECEIVABLES 21,934 22,115 40,576 17,055
ALLOWANCES (316) (382) (587) (622)
INVENTORY 21,173 18,832 33,833 23,528
CURRENT ASSETS 60,578 56,249 110,849 77,745
PP&E 13,110 20,394 25,764 30,980
DEPRECIATION (4,886) (7,769) (9,981) (14,778)
TOTAL ASSETS 71,888 72,517 136,545 107,736
CURRENT LIABILITIES 19,133 12,884 33,661 14,520
BONDS 0 0 0 0
PREFERRED MANDATORY 0 0 0 0
PREFERRED 0 0 0 0
COMMON 26 26 27 29
OTHER SE 49,841 56,469 99,942 92,134
TOTAL LIABILITY AND EQUITY 71,888 72,517 136,545 107,736
SALES 130,184 138,074 188,339 134,019
TOTAL REVENUES 130,184 138,074 188,339 134,019
CGS 69,241 88,368 116,683 94,000
TOTAL COSTS 69,241 88,368 116,683 94,000
OTHER EXPENSES 34,050 39,448 49,889 54,767
LOSS PROVISION 0 0 0 0
INTEREST EXPENSE 690 340 553 340
INCOME PRETAX 26,451 10,183 20,893 (14,547)
INCOME TAX 10,110 4,055 7,962 (3,522)
INCOME CONTINUING 16,341 6,128 12,931 (11,025)
DISCONTINUED 0 0 0 0
EXTRAORDINARY 0 0 0 0
CHANGES 0 0 0 0
NET INCOME 16,341 6,128 12,931 (11,025)
EPS BASIC 0.71 0.24 0.49 (0.38)
EPS DILUTED 0.68 0.23 0.48 (0.38)
1 RESTATED PER POOLING MERGER OF ADVANCED ENERGY AND SEKIDENKO, INC. IN Q2 2000

ARTICLE 5
RESTATED: 1
MULTIPLIER: 1,000


PERIOD TYPE 3 MOS 6 MOS 9 MOS YEAR
FISCAL YEAR END DEC 31 1999 DEC 31 1999 DEC 31 1999 DEC 31 1999
PERIOD START JAN 01 1999 JAN 01 1999 JAN 01 1999 JAN 01 1999
PERIOD END MAR 31 1999 JUN 30 1999 SEP 30 1999 DEC 31 1999
CASH 12,909 12,598 12,603 21,043
SECURITIES 15,006 14,209 17,328 186,440
RECEIVABLES 24,313 32,834 40,039 47,110
ALLOWANCES (596) (599) (595) (639)
INVENTORY 24,227 25,716 26,088 28,410
CURRENT ASSETS 84,406 92,975 103,520 289,373
PP&E 32,160 32,634 33,890 36,328
DEPRECIATION (15,951) (15,906) (17,314) (18,629)
TOTAL ASSETS 113,456 122,163 134,642 325,433
CURRENT LIABILITIES 18,323 23,574 25,758 31,889
BONDS 0 0 0 135,000
PREFERRED MANDATORY 0 0 0 0
PREFERRED 0 0 0 0
COMMON 29 29 30 31
OTHER SE 94,193 97,607 107,388 156,958
TOTAL LIABILITY AND EQUITY 113,456 122,163 134,642 325,433
SALES 36,419 81,782 137,408 202,849
TOTAL REVENUES 36,419 81,782 137,408 202,849
CGS 21,187 46,280 76,955 110,647
TOTAL COSTS 21,187 46,280 76,955 110,647
OTHER EXPENSES 12,970 27,886 44,123 62,876
LOSS PROVISION 0 0 0 0
INTEREST EXPENSE 42 98 162 1,430
INCOME PRETAX 2,182 7,581 17,358 30,876
INCOME TAX 951 3,060 6,747 11,741
INCOME CONTINUING 1,231 4,521 10,611 19,066
DISCONTINUED 0 0 0 0
EXTRAORDINARY 0 0 0 0
CHANGES 0 0 0 0
NET INCOME 1,231 4,521 10,611 19,066
EPS BASIC 0.04 0.15 0.36 0.64
EPS DILUTED 0.04 0.15 0.35 0.62
1 RESTATED PER POOLING MERGER OF ADVANCED ENERGY AND SEKIDENKO, INC. IN Q3 2000

ARTICLE 5
RESTATED: 1
MULTIPLIER: 1,000


PERIOD TYPE 3 MOS 6 MOS
FISCAL YEAR END DEC 31 2000 DEC 31 2000
PERIOD START JAN 01 2000 JAN 01 2000
PERIOD END MAR 31 2000 JUN 30 2000
CASH 19,837 20,124
SECURITIES 198,718 201,221
RECEIVABLES 53,925 56,374
ALLOWANCES (645) (644)
INVENTORY 31,468 36,431
CURRENT ASSETS 309,330 319,151
PP&E 38,227 41,337
DEPRECIATION (20,153) (21,797)
TOTAL ASSETS 345,086 356,440
CURRENT LIABILITIES 37,511 33,806
BONDS 135,000 135,000
PREFERRED MANDATORY 0 0
PREFERRED 0 0
COMMON 31 31
OTHER SE 171,111 186,306
TOTAL LIABILITY AND EQUITY 345,086 356,440
SALES 75,028 160,730
TOTAL REVENUES 75,028 160,730
CGS 38,361 81,700
TOTAL COSTS 38,361 81,700
OTHER EXPENSES 19,619 41,639
LOSS PROVISION 0 0
INTEREST EXPENSE 2,029 4,119
INCOME PRETAX 17,168 38,243
INCOME TAX 5,947 13,972
INCOME CONTINUING 11,238 24,355
DISCONTINUED 0 0
EXTRAORDINARY 0 0
CHANGES 0 0
NET INCOME 11,238 24,355
EPS BASIC 0.36 0.78
EPS DILUTED 0.35 0.75
1 Restated per pooling merger of Advanced Energy & Sekidenko, Inc. in Q3 2000.