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                             March 2, 2023

       Manavendra Sial
       Senior Vice President and Chief Financial Officer
       Fluence Energy, Inc.
       4601 Fairfax Drive , Suite 600
       Arlington , Virginia

                                                        Re: Fluence Energy,
Inc.
                                                            Form 10-K for the
Fiscal Year Ended September 30, 2022
                                                            Form 10-Q for the
Period Ended December 31, 2022
                                                            Form 8-K furnished
on December 12, 2022
                                                            File No. 001-40978

       Dear Manavendra Sial:

              We have limited our review of your filing to the financial
statements and related
       disclosures and have the following comments. In some of our comments, we
may ask you to
       provide us with information so we may better understand your disclosure.

              Please respond to these comments within ten business days by
providing the requested
       information or advise us as soon as possible when you will respond. If
you do not believe our
       comments apply to your facts and circumstances, please tell us why in
your response.

                                                        After reviewing your
response to these comments, we may have additional comments.

       Form 8-K furnished on December 12, 2022

       Exhibit 99.1, page 1

   1.                                                   We note your disclosure
of quarterly intake of $560M in your highlights for fourth quarter
                                                        and fiscal year ended
September 30, 2022. We also note your discussion of key
                                                        operating metrics on
page 12. Please tell us how intake orders relate to the key operating
                                                        metrics and intake
information disclosed on page 12 and revise to provide a clear
                                                        definition of the
metric and how it is calculated, why it is useful to investors, how
                                                        management uses the
metric and whether there are estimates or assumptions underlying
                                                        the metric or its
calculation for which disclosure is needed. Refer to SEC Release No. 33-
                                                        10751. Please also
revise in your other respective filings including your 10-Q and 10-K
                                                        filings.
       Form 10-K for the Fiscal Year Ended September 30, 2022
 Manavendra Sial
Fluence Energy, Inc.
March 2, 2023
Page 2
Management's Discussion and Analysis of Financial Condition and Results of
Operations
Non-GAAP Financial Measures, page 58

2.       We note your adjustment for other expenses included in your non-GAAP
measures tables.
         Please further explain each adjustment for us and tell us how you
determined that
         the items included in other expenses are short term and clearly
separable and direct results
         of COVID-19 and were incremental to charges incurred related to
COVID-19 but not
         expected to recur once the pandemic has subsided. In this regard,
please explain how you
         considered other factors that may have impacted the excess shipping
costs and project
         charges, such as increase in oil prices and persistent price
inflation, in your assessment.
         Refer to CF Disclosure Topic 9 for the use of COVID-19 related
adjustments to determine
         non-GAAP financial measures and item 10(e)(1)(ii) of Regulation S-K.
Results of Operations, page 60

3.       We note your discussion of your results of operations, starting on
page 60, that
         qualitatively discuss multiple factors that impacted these line items
in each respective
         reporting period. Please revise to further describe material changes
to a line item for the
         underlying reasons for such changes in both quantitative and
qualitative terms, including
         the impact of offsetting factors. Refer to Item 303(b) of Regulation
S-K.
Form 10-Q for the Period Ended December 31, 2022

Item 2. Management's Discussion and Analysis of Financial Condition and Results
of
Operations, page 39

4.       Please expand your disclosures to fully discuss the underlying factors
for the
         significant changes in working capital and cash flows between periods
and any future
         effects on your financial condition and results operations. In this
regard we note
         higher inventory balances and a related discussion of inventory build
during your first
         quarter earnings call. Refer Item 303(c) of Regulation S-K.
       In closing, we remind you that the company and its management are
responsible for the
accuracy and adequacy of their disclosures, notwithstanding any review,
comments, action or
absence of action by the staff.

      You may contact Charles Eastman at 202-551-3794 or Melissa Gilmore at
202-551-
3777 with any questions.



FirstName LastNameManavendra Sial                              Sincerely,
Comapany NameFluence Energy, Inc.
                                                               Division of
Corporation Finance
March 2, 2023 Page 2                                           Office of
Manufacturing
FirstName LastName