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


                          ----------------------------

                                   FORM 10-K/A

        (Mark One)

            [X]    ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D)
                   OF THE SECURITIES EXCHANGE ACT OF 1934

                   For the fiscal year ended December 31, 1998

            [ ]    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D)
                   OF THE SECURITIES EXCHANGE ACT OF 1934

                   For the transition period from __________ to __________


                             Commission File Number
                                     1-9812

                                  TENERA, INC.
             (Exact name of registrant as specified in its charter)


             Delaware                                           94-3213541
   (State or other jurisdiction of                          (I.R.S. Employer
    incorporation or organization)                         Identification No.)

    One Market, Spear Tower, Suite 1850, San Francisco, California 94105-1018
               (Address of principal executive offices) (Zip Code)

       Registrant's telephone number, including area code: (415) 536-4744


                          ----------------------------

           Securities registered pursuant to Section 12(b) of the Act:
                                  Common Stock

           Securities registered pursuant to Section 12(g) of the Act:
                                      None


     Indicate  by check mark  whether the  registrant  (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days. Yes X No .

     Indicate by check mark if disclosure of delinquent  filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of Registrant's  knowledge,  in definitive proxy as information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ X ]

     As of March 1, 1999, the aggregate market value of the Registrant's  Common
Stock held by  nonaffiliates  of the Registrant was $7,859,000 based on the last
transaction  price as reported on the American Stock Exchange.  This calculation
does not reflect a  determination  that certain  persons are  affiliates  of the
Registrant for any other purposes.

     The number of shares outstanding on March 1, 1999 was 10,129,403.



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INFORMATION INCLUDED IN THIS REPORT


         The Annual Report on Form 10-K for the year ended December 31, 1998 and
filed with the Securities  and Exchange  Commission on March 15, 1999 is amended
to add Item 7A, Quantitative and Qualitative Disclosure about Market Risk.




















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 Item 7A.   Quantitative and Qualitative Disclosure about Market Risk



Not Applicable.




















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                                   SIGNATURES

      Pursuant  to the  requirements  of Section 13 or 15 (d) of the  Securities
Exchange Act of 1934,  the Registrant has duly caused this report on Form 10-K/A
to be signed on its behalf by the undersigned, thereunto duly authorized.

Dated:  March 24, 1999



                                        TENERA, INC.

                                        By      /s/ JEFFREY R. HAZARIAN
                                           -------------------------------------
                                                    Jeffrey R. Hazarian
                                                   Chief Financial Officer
                                                (Principal Financial Officer)




















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