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

                                   FORM 12b-25


                           NOTIFICATION OF LATE FILING

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                                                        SEC FILE NUMBER
                                                             1-3122
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                                                          CUSIP NUMBER
                                                           676346109
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(Check One): |_| Form 10-K |_| Form 20-F |X| Form 11-K
             |_| Form 10-Q |_| Form N-SAR



               For Period Ended: December 31, 2000
                                 -----------------
               [  ] Transition Report on Form 10-K
               [  ] Transition Report on Form 20-F
               [  ] Transition Report on Form 11-K
               [  ] Transition Report on Form 10-Q
               [  ] Transition Report on Form N-SAR
               For the Transition Period Ended:_________________________

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Read Instruction (on back page) Before Preparing Form. Please Print or Type.
Nothing in this form shall be construed to imply that the commission has
verified any information contained herein.
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If the notification relates to a portion of the filing checked above, identify
the Item(s) to which the notification relates:
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PART I -- REGISTRANT INFORMATION

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Full Name of Registrant:
                                                 Covanta Energy Corporation
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Former Name if Applicable:
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Address of Principal Executive Office (Street and Number)
                                                 40 Lane Road
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City, State and Zip Code
                                                 Fairfield, NJ 07004
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PART II -- RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate)

[X]       (a) The reasons described in reasonable detail in Part III of this
          form could not be eliminated without unreasonable effort or expense;

[X]       (b) The subject annual report, semi-annual report, transition report
          on Form 10-K, Form 20-F, 11-K or Form N-SAR, or portion thereof, will
          be filed on or before the fifteenth calendar day following the
          prescribed due date; or the subject quarterly report or transition
          report on Form 10-Q, or portion thereof will be filed on or before the
          fifth calendar day following the prescribed due date; and

[X]       (c) The accountant's statement or other exhibit required by Rule
          12b-25(c) has been attached if applicable.

PART III -- NARRATIVE

State below in reasonable detail the reasons why Form 10-K and Form 10-KSB,
11-K, 10-Q and Form 10-QSB, -SAR, or the transition report or portion thereof
could not be filed within the prescribed time period.

The Covanta Energy Americas, Inc. The Power Savings Plan (the "Plan") requires
additional time to file its audited financial statements required by Form 11-K
because its auditors have not received necessary information in a timely manner
from the Trustee of the Plan.

PART IV -- OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this
notification

     William J. Metzger                (973)                    882-7295
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           (Name)                   (Area Code)            (Telephone Number)


(2) Have all other periodic reports required under Section 13 or 15(d) of the
Securities Exchange Act of 1934 or section 30 of the Investment Company Act of
1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such report(s) been filed? If answer is no,
identify report(s).

                                 |X| Yes |_| No

(3) Is it anticipated that any significant change in results of operations from
the corresponding period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof?

                                 |_| Yes |X| No

If so, attach an explanation of the anticipated change, both narratively and
quantitatively, and, if appropriate, state the reasons why a reasonable estimate
of the results cannot be made.

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                           Covanta Energy Corporation
                  (Name of Registrant as specified in charter)

has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.


Date:  June 29, 2001                            By: /s/ William J. Metzger
                                                   -------------------------
                                                    William J. Metzger
                                                    Vice President and
                                                    Chief Accounting Officer





                            Attachment to Form 12b-25

                      STATEMENT OF INDEPENDENT ACCOUNTANTS

We have read and agree with the comments in Part III of Form 12b-25 of the
Covanta Energy Americas, Inc. The Power Savings Plan (formerly Ogden Power
Corporation The Power Savings Plan) for the year ended December 31, 2000 dated
June 29, 2001.

/s/ DELOITTE & TOUCHE LLP

Parsippany, New Jersey
June 29, 2001