Debt	6 Months Ended
Mar. 31, 2026
Debt
Debt	11.Debt Revolving Credit Facility On August 6, 2024, Fluence Energy, Inc. entered into Amendment Number Three (“Amendment No. 3”) to the asset-based syndicated credit agreement by and among Fluence Energy, LLC, as parent borrower, the Company, as parent, the other borrowers party thereto, the other guarantors party thereto, the lenders party thereto, and Citibank, N.A., as administrative agent (as successor to Barclays Bank PLC) (such agreement, as so amended, the “2024 Credit Agreement”) converting the outstanding asset-based lending facility into a senior secured cash flow revolving credit facility in an initial aggregate principal amount of up to $500.0 million (the “Revolver”). On March 31, 2026, we entered into Amendment Number Four (“Amendment No. 4”) to the 2024 Credit Agreement (such agreement, as so amended by Amendment No. 4, the “Credit Agreement”). Capitalized terms used in this subsection that are not otherwise defined are defined in the Credit Agreement. The Revolver is secured by (i) a first priority pledge of the Company’s equity interests in Fluence Energy, LLC and Fluence Energy Global Production Operation, LLC, (ii) first priority security interests in substantially all tangible and intangible personal property of the Company, Fluence Energy, LLC, Fluence Energy Global Production Operation, LLC and certain of its foreign subsidiaries, in each case, subject to customary exceptions and limitations, and (iii) a pledge of the Company’s equity interests in certain of its foreign subsidiaries and security interests in certain assets of such foreign subsidiaries. The Credit Agreement sets forth that (i) loans comprising each ABR Borrowing shall bear interest at the Alternate Base Rate plus 2.00%, (ii) loans comprising each Term Benchmark Borrowing shall bear interest at the Term SOFR Rate or the Adjusted EURIBOR Rate, as applicable, plus 3.00%, and (iii) the loans comprising each RFR Borrowing shall bear interest at the Daily Simple RFR plus 3.00%, in each instance subject to customary benchmark replacement provisions including, but not limited to, alternative benchmark rates, customary spread adjustments with respect to borrowings in foreign currencies, and benchmark replacement conforming changes. Fluence Energy, LLC is required to pay to the lenders a commitment fee on the average daily unused portion of the commitments through maturity, which shall accrue at the rate of 0.50% per annum. The Credit Agreement provides for a cash draw sublimit of $150.0 million as well as a letter of credit sublimit in the amount of $500.0 million if certain conditions are met. The Credit Agreement contains customary covenants for this type of financing, including, but not limited to, covenants that restrict our and certain of our subsidiaries’ ability to: incur indebtedness; incur liens; sell, transfer, or dispose of property and assets; make investments or acquisitions; pay dividends, make distributions or other restricted payments; and engage in affiliate transactions. The Credit Agreement limits our ability to make certain payments. Following the entry into Amendment No. 4, the Credit Agreement now requires the borrowers to post $50.0 million in cash collateral if the Total Revolving Extensions of Credit exceed $450.0 million. In addition, Amendment No. 4 extended the Trigger Date under the Credit Agreement from December 31, 2025 to December 31, 2026. From the time of entry into Amendment No. 3 through the time of entry into Amendment No. 4, we were required to maintain (i) Total Liquidity of no less than $150.0 million through and including December 31, 2025, (ii) from January 1, 2026 and thereafter, (a) Total Liquidity of no less than $100.0 million and (b) Consolidated Leverage Ratio as of the last day of any Measurement Period not to exceed 3.50:1.00, and (iii) certain other financial requirements on certain dates. Pursuant to the changes to the Credit Agreement upon entry into Amendment No. 4 on March 31, 2026, we are now required to maintain (i) Total Liquidity of no less than $150.0 million through and including December 31, 2026, (ii) from January 1, 2027, and thereafter, (a) Total Liquidity of no less than $100.0 million and (b) Consolidated Leverage Ratio as of the last day of any Measurement Period not to exceed 3.50:1.00, and (iii) certain other financial requirements on certain dates. Such covenants are tested on a quarterly basis and upon the occurrence of other certain restricted payments, the incurrence of indebtedness, certain dispositions, and other specified transactions. As of March 31, 2026, we were in compliance with all such covenants. The Credit Agreement contains customary events of default for this type of financing. If an event of default occurs with respect to a borrower, the lenders will be able to, among other things, terminate the commitments immediately, cash collateralize any outstanding letters of credit, declare any loans outstanding to be due and payable in whole or in part, and exercise other rights and remedies. The maturity date and the date of termination of lending commitments under the Credit Agreement is November 22, 2027. As of March 31, 2026, there are no cash borrowings under the Revolver, and there are $162.8 million letters of credit outstanding under the Revolver, with remaining availability of $337.2 million, net of letters of credit issued.

Debt

6 Months Ended

Mar. 31, 2026

11.Debt

Revolving Credit Facility

On August 6, 2024, Fluence Energy, Inc. entered into Amendment Number Three (“Amendment No. 3”) to the asset-based syndicated credit agreement by and among Fluence Energy, LLC, as parent borrower, the Company, as parent, the other borrowers party thereto, the other guarantors party thereto, the lenders party thereto, and Citibank, N.A., as administrative agent (as successor to Barclays Bank PLC) (such agreement, as so amended, the “2024 Credit Agreement”) converting the outstanding asset-based lending facility into a senior secured cash flow revolving credit facility in an initial aggregate principal amount of up to $500.0 million (the “Revolver”). On March 31, 2026, we entered into Amendment Number Four (“Amendment No. 4”) to the 2024 Credit Agreement (such agreement, as so amended by Amendment No. 4, the “Credit Agreement”). Capitalized terms used in this subsection that are not otherwise defined are defined in the Credit Agreement.

The Revolver is secured by (i) a first priority pledge of the Company’s equity interests in Fluence Energy, LLC and Fluence Energy Global Production Operation, LLC, (ii) first priority security interests in substantially all tangible and intangible personal property of the Company, Fluence Energy, LLC, Fluence Energy Global Production Operation, LLC and certain of its foreign subsidiaries, in each case, subject to customary exceptions and limitations, and (iii) a pledge of the Company’s equity interests in certain of its foreign subsidiaries and security interests in certain assets of such foreign subsidiaries.

The Credit Agreement sets forth that (i) loans comprising each ABR Borrowing shall bear interest at the Alternate Base Rate plus 2.00%, (ii) loans comprising each Term Benchmark Borrowing shall bear interest at the Term SOFR Rate or the Adjusted EURIBOR Rate, as applicable, plus 3.00%, and (iii) the loans comprising each RFR Borrowing shall bear interest at the Daily Simple RFR plus 3.00%, in each instance subject to customary benchmark replacement provisions including, but not limited to, alternative benchmark rates, customary spread adjustments with respect to borrowings in foreign currencies, and benchmark replacement conforming changes. Fluence Energy, LLC is required to pay to the lenders a commitment fee on the average daily unused portion of the commitments

through maturity, which shall accrue at the rate of 0.50% per annum. The Credit Agreement provides for a cash draw sublimit of $150.0 million as well as a letter of credit sublimit in the amount of $500.0 million if certain conditions are met.

The Credit Agreement contains customary covenants for this type of financing, including, but not limited to, covenants that restrict our and certain of our subsidiaries’ ability to: incur indebtedness; incur liens; sell, transfer, or dispose of property and assets; make investments or acquisitions; pay dividends, make distributions or other restricted payments; and engage in affiliate transactions. The Credit Agreement limits our ability to make certain payments. Following the entry into Amendment No. 4, the Credit Agreement now requires the borrowers to post $50.0 million in cash collateral if the Total Revolving Extensions of Credit exceed $450.0 million.

In addition, Amendment No. 4 extended the Trigger Date under the Credit Agreement from December 31, 2025 to December 31, 2026. From the time of entry into Amendment No. 3 through the time of entry into Amendment No. 4, we were required to maintain (i) Total Liquidity of no less than $150.0 million through and including December 31, 2025, (ii) from January 1, 2026 and thereafter, (a) Total Liquidity of no less than $100.0 million and (b) Consolidated Leverage Ratio as of the last day of any Measurement Period not to exceed 3.50:1.00, and (iii) certain other financial requirements on certain dates. Pursuant to the changes to the Credit Agreement upon entry into Amendment No. 4 on March 31, 2026, we are now required to maintain (i) Total Liquidity of no less than $150.0 million through and including December 31, 2026, (ii) from January 1, 2027, and thereafter, (a) Total Liquidity of no less than $100.0 million and (b) Consolidated Leverage Ratio as of the last day of any Measurement Period not to exceed 3.50:1.00, and (iii) certain other financial requirements on certain dates. Such covenants are tested on a quarterly basis and upon the occurrence of other certain restricted payments, the incurrence of indebtedness, certain dispositions, and other specified transactions. As of March 31, 2026, we were in compliance with all such covenants.

The Credit Agreement contains customary events of default for this type of financing. If an event of default occurs with respect to a borrower, the lenders will be able to, among other things, terminate the commitments immediately, cash collateralize any outstanding letters of credit, declare any loans outstanding to be due and payable in whole or in part, and exercise other rights and remedies. The maturity date and the date of termination of lending commitments under the Credit Agreement is November 22, 2027. As of March 31, 2026, there are no cash borrowings under the Revolver, and there are $162.8 million letters of credit outstanding under the Revolver, with remaining availability of $337.2 million, net of letters of credit issued.