2021 Cargo Loss Incident
2021 Cargo Loss Incident [Member]
2021 Cargo Loss Incident
Supplemental Cash Flows Information:
Supplemental Cash Flow Information [Abstract]
Customer [Domain]
Customer [Domain]
Letter of Credit
Letter of Credit [Member]
Loss per Share
Earnings Per Share, Policy [Policy Text Block]
Restricted Cash and Cash Equivalents [Axis]
Restricted Cash and Cash Equivalents [Axis]
Net loss attributable to Fluence Energy, Inc.
Net Income (Loss) Attributable to Parent
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Blocker Shareholders
Blocker Shareholders [Member]
Blocker Shareholders
Unbilled receivables
Unbilled Receivables, Current, Related Parties
Unbilled Receivables, Current, Related Parties
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Personnel related liabilities
Employee-related Liabilities, Current
Accelerated vesting amount (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Number
Income Statement Location [Axis]
Income Statement Location [Axis]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Goodwill
Goodwill Disclosure [Text Block]
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Other
Other Intangible Assets [Member]
Deferred equity issuance costs
Deferred Stock Issuance Cost, Current
Deferred Stock Issuance Cost, Current
Unbilled receivables
Increase (Decrease) in Contract with Customer, Asset
Security Exchange Name
Security Exchange Name
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
EMEA (Europe, Middle-East and Africa)
EMEA [Member]
Foreign currency translation gain (loss), income tax (expense) benefit
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Forfeited, Weighted average grant date fair value (usd per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Revenue from Contract with Customer [Abstract]
Change in Contract Liability
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Mezzanine equity, shares outstanding (in shares)
Temporary Equity, Shares Outstanding
Other Assets, Noncurrent
Other Assets, Noncurrent
Consolidated Entities, Excluding Affiliated Entities
Consolidated Entities, Excluding Affiliated Entities [Member]
Consolidated Entities, Excluding Affiliated Entities
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Class A common stock available for issuance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Net increase (decrease) in cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Entity File Number
Entity File Number
Advances to suppliers
Increase (Decrease) to Advances on Inventory Purchases
Increase (Decrease) to Advances to Inventory Purchases
Activity under stock compensation plan
APIC, Share-based Payment Arrangement, Increase for Cost Recognition
Taxes payable
Increase (Decrease) in Income Taxes Payable
Period of requirement for commitment fee payments
Line Of Credit Facility, Length Of Commitment Fee Payments
Line Of Credit Facility, Length Of Commitment Fee Payments
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Amortization expense
Amortization of Intangible Assets
Schedule of Inventory, Current
Schedule of Inventory, Current [Table Text Block]
Antidilutive security
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Revenue recognized related to amounts that were included in beginning balance of deferred revenue
Contract with Customer, Liability, Revenue Recognized
Research and development
Research and Development Expense [Member]
Sale of Stock [Axis]
Sale of Stock [Axis]
Business Combination and Asset Acquisition [Abstract]
Granted, Weighted average grant date fair value (usd per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Letter of credit participation fee
Line of Credit Facility, Commitment Fee Percentage
Business Acquisition [Axis]
Business Acquisition [Axis]
Title of Individual [Domain]
Title of Individual [Domain]
Award Type [Domain]
Award Type [Domain]
Local Phone Number
Local Phone Number
Credit Facility [Domain]
Credit Facility [Domain]
Assets
Assets [Abstract]
Related Party Transactions [Abstract]
Options exercisable (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Deferred revenue
Contract With Customer, Liability, Affiliated Entities, Current
Contract With Customer, Liability, Affiliated Entities, Current
Other non-current liabilities
Increase (Decrease) in Other Noncurrent Liabilities
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Cancellation of modified awards, Weighted average grant date fair value (usd per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancellations of Modified Awards, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancellations of Modified Awards, Weighted Average Grant Date Fair Value
Total revenue percentage
Concentration Risk, Percentage
Preferred stock, $0.00001 per share, 10,000,000 shares authorized; no shares issued and outstanding as of December 31, 2021.
Preferred Stock, Value, Issued
Outstanding, Beginning balance (in shares)
Outstanding, Ending Balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Accumulated Deficit
Retained Earnings [Member]
IPO
IPO [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Votes per share
Common Stock, Voting Rights, Votes
Common Stock, Voting Rights, Votes
Non-current liabilities:
Liabilities, Noncurrent [Abstract]
Fluence Energy, LLC percentage owned
Fluence Energy, LLC percentage owned
Noncontrolling Interest, Ownership Percentage by Parent
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Effect of the Organizational Transactions
Stock Issued During Period, Value, Conversion of Convertible Securities
Members’ capital contributions
Member Units [Member]
Re-grant of modified awards, Weighted average grant date fair value (usd per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Re-grants in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Re-grants in Period, Weighted Average Grant Date Fair Value
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Related Party [Axis]
Related Party [Axis]
Inventory, Current [Table]
Inventory, Current [Table]
Trade receivables
Increase (Decrease) in Accounts Receivable
Award vesting percentage
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Commitments and Contingencies Disclosure [Abstract]
Weighted average annual interest rate
Debt, Weighted Average Interest Rate
Total comprehensive loss
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other current assets
Increase (Decrease) in Other Current Assets
Advances on inventory purchases, noncurrent
Advances On Inventory Purchases, Noncurrent
Advances On Inventory Purchases, Noncurrent
Founders
Founders [Member]
Founders
Number of operating segments
Number of Operating Segments
Loss per share of Class A common stock, basic (in usd per share)
Earnings Per Share, Basic
Long-term Purchase Commitment, Category of Item Purchased [Domain]
Long-term Purchase Commitment, Category of Item Purchased [Domain]
Revenue from Contracts with Customers
Revenue from Contract with Customer [Text Block]
Liability reflecting fair value of liability-classified awards
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent
Shares outstanding (in shares)
Outstanding, Beginning balance (in shares)
Outstanding, Ending balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Contract With Customer, Liability [Roll Forward]
Contract With Customer, Liability [Roll Forward]
Contract With Customer, Liability
Prepaid expenses
Prepaid Expense, Current
Options modified and settled in cash, Weighted average exercise price per share (usd per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Modified and Settled in Cash in Period, Weighted Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Modified and Settled in Cash in Period, Weighted Average Exercise Price
Two Customers
Two Customers [Member]
Two Customers
Intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Provision (benefit) on loss contracts
Gain (Loss) on Contract Termination
Inventory capacity guarantee
Inventory, Capacity Guarantee [Member]
Inventory, Capacity Guarantee
Accruals
Inventory Accruals, Current
Inventory Accruals, Current
Payables and deferred revenue with related parties
Increase (Decrease) in Payables and Deferred Revenue With Related Parties
Increase (Decrease) in Payables and Deferred Revenue With Related Parties
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Investment amount
Cash paid for investment
Business Combination, Consideration Transferred
Supply Chain Financing Bank
Supply Chain Financing Bank [Member]
Supply Chain Financing Bank
Offsetting Assets [Line Items]
Offsetting Assets [Line Items]
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Plan Name [Axis]
Plan Name [Axis]
Impairment of goodwill
Goodwill, Impairment Loss
Income Tax Disclosure [Abstract]
Entity Small Business
Entity Small Business
Subordinated promissory note, annual interest percentage
Related Party Transaction, Rate
Reclassification of deferred offering costs to additional paid-in capital
Reclassification of Deferred Offering Costs to Additional Paid-in Capital
Reclassification of Deferred Offering Costs to Additional Paid-in Capital
Base Rate
Base Rate [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Total liabilities, stockholders’ equity, members’ deficit, and mezzanine equity
Liabilities and Equity
Non-controlling Interest
Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block]
Americas (North, Central and South America)
Americas [Member]
6 month anniversary of IPO
Share-based Payment Arrangement, Tranche One [Member]
Scenario [Axis]
Scenario [Axis]
Additional paid-in capital
Additional Paid in Capital
Liabilities, Stockholders’ Equity, Members’ Deficit, and Mezzanine Equity
Liabilities and Equity [Abstract]
Proceeds from issuance of Class A common stock sold in the IPO, net of underwriting discounts
Proceeds from Issuance Initial Public Offering
Accounts payable
Increase (Decrease) in Accounts Payable
Schedule of Other Current Assets
Schedule of Other Current Assets [Table Text Block]
Short-term Debt, Type [Domain]
Short-term Debt, Type [Domain]
Offsetting Assets [Table]
Offsetting Assets [Table]
Operating activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Operating expenses:
Operating Expenses [Abstract]
Entity Interactive Data Current
Entity Interactive Data Current
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
Consolidated Entities [Table]
Consolidated Entities [Table]
Consolidated Entities [Table]
Minimum
Minimum [Member]
Taxes recoverable
Income Taxes Receivable, Current
Modified and settled in cash, Weighted average grant date fair value (usd per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Modified and Settled in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Modified and Settled in Period, Weighted Average Grant Date Fair Value
Gross (loss) profit
Gross Profit
Affiliated Entity
Affiliated Entity [Member]
Outstanding borrowings
Long-term Line of Credit
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Investment owned percentage
Investment Owned, Balance, Percentage
Investment Owned, Balance, Percentage
Comprehensive loss attributable to non-controlling interest
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Deferred revenue
Increase (Decrease) in Contract with Customer, Liability, Excluding Related Parties
Increase (Decrease) in Contract with Customer, Liability, Excluding Related Parties
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Reclassification
Reclassification, Comparability Adjustment [Policy Text Block]
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Unrecognized tax benefits
Unrecognized Tax Benefits
Payables and deferred revenue with related parties
Total payables and deferred revenue with related parties
Due To Related Parties and Contract With Customer, Affiliated Entities, Liability, Current
Due To Related Parties and Contract With Customer, Affiliated Entities, Liability, Current
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
QIA Florence Holdings LLC (QFH)
QIA Florence Holdings LLC (QFH) [Member]
QIA Florence Holdings LLC (QFH)
Entity Address, State or Province
Entity Address, State or Province
Deferred income tax asset
Deferred Income Tax Assets, Net
Current liabilities:
Liabilities, Current [Abstract]
Issuance of Class A Common stock in IPO, net of issuance costs
Stock Issued During Period, Value, New Issues
General and administrative
General and Administrative Expense
Cash paid for business acquisition
Payments to Acquire Businesses, Net of Cash Acquired
Short-term Borrowing
Debt Disclosure [Text Block]
Shares outstanding (in shares)
Shares, Outstanding
Line of Credit
Line of Credit [Member]
Share-Based Compensation
Share-based Payment Arrangement [Text Block]
Inventory, Net
Inventory Disclosure [Text Block]
Weighted average remaining contractual term of options outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Payment of IPO costs
Payments of Stock Issuance Costs
Issuance of Class A Common stock stock in IPO, net of issuance costs (in shares)
Stock Issued During Period, Shares, New Issues
Number of reportable segments
Number of Reportable Segments
Equity and Liability Classified Phantom Unit Awards Activity
Share-based Payment Arrangement, Performance Shares, Outstanding Activity [Table Text Block]
Document Transition Report
Document Transition Report
Common stock
Common Stock, Value, Issued
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Other income (expense), net
Nonoperating Income (Expense)
RSU vesting period (in years)
Weighted Average Remaining Period of Expense Recognition (in years)
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Outstanding, Weighted average grant date fair value, Beginning balance (usd per share)
Outstanding, Weighted average grant date fair value, Ending balance (usd per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Customer Concentration Risk
Customer Concentration Risk [Member]
Acquisition related goodwill
Goodwill, Acquired During Period
Principles of Accounting
Basis of Accounting, Policy [Policy Text Block]
Commitments and contingencies (Note 12)
Commitments and Contingencies
Total non-current assets
Assets, Noncurrent
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax
Entity Emerging Growth Company
Entity Emerging Growth Company
Inventory valuation reserves, inventory write-down
Inventory Valuation Reserves, Inventory Write-down
Inventory Valuation Reserves, Inventory Write-down
Trade receivable, allowance for credit loss
Accounts Receivable, Allowance for Credit Loss, Current
Inventory provision
Inventory Write-down
Business Combinations
Business Combination Disclosure [Text Block]
Payment of debt issuance costs
Payments of Debt Issuance Costs
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Ownership [Axis]
Ownership [Axis]
Legal Entity [Axis]
Legal Entity [Axis]
Cover [Abstract]
Receivables from related parties
Total receivables from related parties
Due from Related Parties, Current
Revenue by Geographical Regions
Revenue from External Customers by Geographic Areas [Table Text Block]
Beginning balance, LLC (in units)
Ending balance, LLC (in units)
Common Unit, Outstanding
Class of Stock [Axis]
Class of Stock [Axis]
Cash, Cash Equivalents, and Restricted Cash
Cash and Cash Equivalents, Policy [Policy Text Block]
Uncommitted Line Of Credit Agreement
Uncommitted Line Of Credit Agreement [Member]
Uncommitted Line Of Credit Agreement
Effect of the Organizational Transactions
Temporary Equity, Value, Conversion of Convertible Securities
Temporary Equity, Value, Conversion of Convertible Securities
Aggregate net proceeds from stock offering
Sale of Stock, Consideration Received on Transaction
Research and development expenses
Related Party Transaction, Research and Development Expenses from Transactions with Related Party
Related Party Transaction, Research and Development Expenses from Transactions with Related Party
Accounts receivable
Accounts Receivable, Related Parties, Current
Noncontrolling Interest [Line Items]
Noncontrolling Interest [Line Items]
Revenue
Revenue from Related Parties
Insurance proceed collected
Proceeds from Insurance Settlement, Operating Activities
Mezzanine equity (0 and 18,493,275 units issued and outstanding as of December 31, 2021 and September 30, 2021, respectively)
Beginning balance
Ending balance
Temporary Equity, Carrying Amount, Attributable to Parent
Class B units issued (in shares)
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares
Entity [Domain]
Entity [Domain]
Accruals and provisions
Total
Accrued Liabilities, Current
Total revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Options
Share-based Payment Arrangement, Option [Member]
Stockholders’ Equity / Members’ Deficit
Equity [Abstract]
Document Quarterly Report
Document Quarterly Report
Common Stock
Common Stock [Member]
Variable Rate [Axis]
Variable Rate [Axis]
Summary of Significant Accounting Policies and Estimates
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Schedule of Cash and Cash Equivalents [Table]
Schedule of Cash and Cash Equivalents [Table]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Document Fiscal Year Focus
Document Fiscal Year Focus
Stock based compensation expense
Share-based Payment Arrangement, Noncash Expense
Variable Rate [Domain]
Variable Rate [Domain]
Inventory [Axis]
Inventory [Axis]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
EBITDA threshold period
Line of Credit Facility, Financial Covenant, EBITDA Threshold, Number Of Quarters
Line of Credit Facility, Financial Covenant, EBITDA Threshold, Number Of Quarters
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Current accruals and provisions
Increase (Decrease) in Accrued Liabilities
RSU's Activity
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Cash paid for income taxes
Income Taxes Paid
Accounting Standards Update and Change in Accounting Principle
Accounting Standards Update and Change in Accounting Principle [Table Text Block]
Borrowing from line of credit
Proceeds from Lines of Credit
Entity Information [Line Items]
Entity Information [Line Items]
Purchase of property and equipment
Payments to Acquire Property, Plant, and Equipment
Other current liabilities
Other Liabilities, Current
Maximum
Maximum [Member]
Share-based Payment Arrangement [Abstract]
Share-based Payment Arrangement [Abstract]
Total liabilities
Liabilities
Schedule of Current Accruals and Provisions
Schedule of Accrued Liabilities [Table Text Block]
Award Type [Axis]
Award Type [Axis]
Options granted, Weighted average exercise price per share (usd per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Intrinsic value of options outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Total stockholder's equity attributable to Fluence Energy, Inc
Stockholders' Equity Attributable to Parent
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
City Area Code
City Area Code
Goodwill and Intangible Assets Disclosure [Abstract]
Entity Address, City or Town
Entity Address, City or Town
The Revolver
The Revolver [Member]
The Revolver
Intangible Assets, Net
Intangible Assets Disclosure [Text Block]
Interest expense
Interest Expense
Non-current assets:
Assets, Noncurrent [Abstract]
Cash paid for acquisition
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Options expiration period (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Litigation Case [Domain]
Litigation Case [Domain]
Commitment fee
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
RSUs
Restricted Stock Units (RSUs) [Member]
Statement of Stockholders' Equity [Abstract]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Entity Filer Category
Entity Filer Category
Business Acquisition [Line Items]
Business Acquisition [Line Items]
18 month anniversary of IPO
Share-based Payment Arrangement, Tranche Two [Member]
Shipping containers and spare parts
Shipping Containers And Spare Parts [Member]
Shipping Containers And Spare Parts
Restrictions on Cash and Cash Equivalents
Restrictions on Cash and Cash Equivalents [Table Text Block]
Income Statement [Abstract]
Entity Registrant Name
Entity Registrant Name
Inventory Disclosure [Abstract]
Repayment to line of credit
Repayment to line of credit
Repayments of Lines of Credit
Re-grant of modified awards (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Re-grant of Modified Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Re-grant of Modified Awards
Options forfeited, Weighted average exercise price per share (usd per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Income tax expense
Income Tax Expense (Benefit)
Total stockholders' equity
Ending balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Trade receivables, net of allowances ($88 and $90 at December 31 and September 30, 2021, respectively)
Accounts Receivable, after Allowance for Credit Loss, Current
Amendment Flag
Amendment Flag
APAC (Asia Pacific)
Asia Pacific [Member]
Equity Components [Axis]
Equity Components [Axis]
Entity Tax Identification Number
Entity Tax Identification Number
Advance payment
Payments For Advances on Inventory Purchases
Payments For Advances on Inventory Purchases
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Document Fiscal Period Focus
Document Fiscal Period Focus
Total current assets
Assets, Current
Sales and marketing
Selling and Marketing Expense [Member]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Sale of Stock [Domain]
Sale of Stock [Domain]
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Inventory, net
Net
Inventory, Net
Minimum liquidity and gross revenue requirement of consolidated EBITDA
Line of Credit Facility, Financial Covenant, EBITDA Threshold
Line of Credit Facility, Financial Covenant, EBITDA Threshold
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Statement of Financial Position [Abstract]
Schedule of Related Party Transactions
Schedule of Related Party Transactions [Table Text Block]
Number of other banks in lenders party
Line of Credit Facility, Number Of Other Banks Included In Lenders Party
Line of Credit Facility, Number Of Other Banks Included In Lenders Party
Fair Value Measurements
Fair Value Measurement, Policy [Policy Text Block]
Unrecognized Stock Compensation Expense, Options
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Financing activities
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Schedule of Cash and Cash Equivalents
Schedule of Cash and Cash Equivalents [Table Text Block]
Preferred stock, par value (in usd per share)
Preferred Stock, Par or Stated Value Per Share
Unrecognized Stock Compensation Expense, not options
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Chief Executive Officer
Chief Executive Officer [Member]
Total Revenues
Revenue Benchmark [Member]
Weighted average grant date, fair value for options granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Equity Component [Domain]
Equity Component [Domain]
Cancellation of modified awards (in shares)
Cancellation of modified awards (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancellation of Modified Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancellation of Modified Awards
Sales and marketing
Selling and Marketing Expense
Foreign currency translation gain (loss), net of income tax (expense) benefit of $0 in each period
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Incremental stock compensation expense related to modification
Share-based Payment Arrangement, Plan Modification, Incremental Cost
Statement [Line Items]
Statement [Line Items]
Litigation Case [Axis]
Litigation Case [Axis]
Other current liabilities
Increase (Decrease) in Other Current Liabilities
Category of Item Purchased [Axis]
Category of Item Purchased [Axis]
Restricted cash included in “Other non- current assets”
Restricted Cash, Noncurrent
Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Amount of remaining performance obligations
Revenue, Remaining Performance Obligation, Amount
Short-term Debt, Type [Axis]
Short-term Debt, Type [Axis]
Change in estimate of transaction price
Contract With Customer, Cumulative Adjustment For Change In Estimate Of Transaction Price
Contract With Customer, Cumulative Adjustment For Change In Estimate Of Transaction Price
Counterparty Name [Domain]
Counterparty Name [Domain]
Debt Disclosure [Abstract]
Accounts payable
Accounts Payable, Related Parties, Current
Estimated Useful Life
Finite-Lived Intangible Asset, Useful Life
Customer [Axis]
Customer [Axis]
Borrowing from line of credit
Line of Credit, Current
Third Party Investor
Third Party Investor [Member]
Third Party Investor
Deferred revenue
Contract With Customer, Liability, Consolidated Entities Excluding Affiliated Entities, Current
Contract With Customer, Liability, Consolidated Entities Excluding Affiliated Entities, Current
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Schedule of Earnings Per Share, Basic and Diluted
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Forecast
Forecast [Member]
Schedule of Stock Based Compensation Expense
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Vesting [Axis]
Vesting [Axis]
Title of 12(b) Security
Title of 12(b) Security
Advances to suppliers
Advances on Inventory Purchases
Advances on Inventory Purchases
Other comprehensive loss, tax
Other Comprehensive Income (Loss), Tax
Total assets
Assets
Voting power percentage
Investment Owned, Voting Power
Investment Owned, Voting Power
Plan Name [Domain]
Plan Name [Domain]
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Interest Paid
Interest Paid, Excluding Capitalized Interest, Operating Activities
Geographical [Domain]
Geographical [Domain]
Loss per Share [Abstract]
Net Income (Loss) Attributable to Parent [Abstract]
Title of Individual [Axis]
Title of Individual [Axis]
Document Type
Document Type
Non-Controlling interest
Noncontrolling Interest [Member]
Research and development
Research and Development Expense
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Less: Net loss attributable to the non-controlling interest
Net Income (Loss) Attributable to Noncontrolling Interest
Total non-current liabilities
Liabilities, Noncurrent
Citibank, N.A.
Citibank, N.A. [Member]
Citibank, N.A.
Net Loss per Common Stock [Line Items}
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Revolving Credit Facility
Revolving Credit Facility [Member]
Expected time period of satisfaction (in yeaers)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Net cash used in operating activities
Net Cash Provided by (Used in) Operating Activities
Other
Other Assets, Miscellaneous, Current
Cash and Cash Equivalents [Line Items]
Cash and Cash Equivalents [Line Items]
Geographical [Axis]
Geographical [Axis]
Current Accruals and Provisions
Long-term Contracts or Programs Disclosure [Text Block]
Loss per share of Class A common stock, diluted (in usd per share)
Earnings Per Share, Diluted
Weighted average number of Class A common shares outstanding, basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Public offering price per share (in usd per share)
Sale of Stock, Price Per Share
Vesting [Domain]
Vesting [Domain]
Cost of goods and services
Related Party Costs
Total comprehensive loss attributable to Fluence Energy, Inc.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Advance payments
Advance Payments, Current
Advance Payments, Current
Deferred revenue beginning of period
Deferred revenue end of period
Contract with Customer, Liability
Net cash provided by financing activities
Net Cash Provided by (Used in) Financing Activities
IPO costs included in accounts payable
Issuance Costs Incurred Not Yet Paid
Issuance Costs Incurred Not Yet Paid
Service requirement (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Effect of the Organizational Transactions (in shares)
Shares issued upon exchange (in shares)
Stock Issued During Period, Shares, Conversion of Convertible Securities
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Property and equipment
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Accounts payable
Accounts Payable, Current
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
AES Grid Stability
AES Grid Stability, LLC [Member]
AES Grid Stability, LLC
Guarantees issued
Supply Chain Financing Guarantee By Related Party
Supply Chain Financing Guarantee By Related Party
Accumulated Other Comprehensive (Loss) Income
AOCI Attributable to Parent [Member]
Inventory
Increase (Decrease) in Inventories
Common stock, shares outstanding (in shares)
Ending balance (in shares)
Common Stock, Shares, Outstanding
Increase (Decrease) in Temporary Equity [Roll Forward]
Increase (Decrease) in Temporary Equity [Roll Forward]
Total stockholder's equity attributable to Members' deficit
Beginning Balance, LLC
Ending Balance, LLC
Members' Equity
One Customer
Customer One [Member]
Customer One
Cost of goods and services
Cost of Goods and Services Sold
Consolidated Entities [Line Items]
Consolidated Entities [Line Items]
Consolidated Entities [Line Items]
Document Period End Date
Document Period End Date
Siemens Industry
Siemens Industry, Inc. [Member]
Siemens Industry, Inc.
Class B
Common Class B [Member]
Entity Central Index Key
Entity Central Index Key
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Line of Credit Facility, Lender [Domain]
Line of Credit Facility, Lender [Domain]
Inventory [Domain]
Inventory [Domain]
Number of Awards
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Investing activities
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Income Statement Location [Domain]
Income Statement Location [Domain]
Customer Relationships
Customer Relationships [Member]
Cubes, batteries, and other equipment
Cubes, Batteries, And Other Equipment [Member]
Cubes, Batteries, And Other Equipment
Mezzznine equity, shares issued (in shares)
Temporary Equity, Shares Issued
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Property and equipment, net
Property, Plant and Equipment, Net
Fluence Energy, Inc
Fluence Energy, INC [Member]
Fluence Energy, INC
Lender Name [Axis]
Lender Name [Axis]
Trading Symbol
Trading Symbol
Repayment of promissory notes – related parties
Repayments of Related Party Debt
Supply Chain Financing
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Noncontrolling Interest [Table]
Noncontrolling Interest [Table]
Cost
Inventory, Gross
Liability-classified awards
Liability Based Award [Member]
Liability Based Award
Percentage of remaining performance obligations
Revenue, Remaining Performance Obligation, Percentage
30 month anniversary of IPO
Share-based Payment Arrangement, Tranche Three [Member]
Line of Credit Facility [Table]
Line of Credit Facility [Table]
Options outstanding, Weighted average exercise price per share, Beginning balance (usd per share)
Options outstanding, Weighted average exercise price per share, Ending balance (usd per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
JP Morgan Chase Bank, N.A., Morgan Stanley Senior Funding, Inc., Bank of America, N.A., Barclays Bank PLC, and Five Other Banks
JP Morgan Chase Bank, N.A., Morgan Stanley Senior Funding, Inc., Bank of America, N.A., Barclays Bank PLC, and Five Other Banks [Member]
JP Morgan Chase Bank, N.A., Morgan Stanley Senior Funding, Inc., Bank of America, N.A., Barclays Bank PLC, and Five Other Banks
General and administrative expenses
Related Party Transaction, General and Administrative Expenses from Transactions with Related Party
Related Party Transaction, General and Administrative Expenses from Transactions with Related Party
Payment of transaction cost related to issuance of membership units
Payment Of Transaction Cost Related To Issuance Of Membership Units
Payment Of Transaction Cost Related To Issuance Of Membership Units
Sales and marketing expenses
Related Party Transaction, Sales and Marketing Expenses from Transactions with Related Party
Related Party Transaction, Sales and Marketing Expenses from Transactions with Related Party
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Stock based compensation expense
Share-based Payment Arrangement, Expense
Provisions for expected project losses
Provision for Loss on Contracts
Entity Current Reporting Status
Entity Current Reporting Status
Loss per share of Class A common stock
Earnings Per Share, Basic and Diluted [Abstract]
Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Founders percentage owned
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Potential losses related to reasonably possible material contingencies
Loss Contingency, Estimate of Possible Loss
Net loss
Net loss
Net loss
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Credit Card Program Collateral
Credit Card Program Collateral [Member]
Credit Card Program Collateral
Restricted cash included in “Other current assets”
Restricted Cash, Current
Amortization of debt issuance costs
Amortization of Debt Issuance Costs
Counterparty Name [Axis]
Counterparty Name [Axis]
Payables and Accruals [Abstract]
Provision
Inventory valuation reserves
Inventory Valuation Reserves
Class A common stock
Class A
Common Class A [Member]
Cash, cash equivalents, and restricted cash as of the beginning of the period
Cash, cash equivalents, and restricted cash as of the end of the period
Total cash, cash equivalents and restricted cash shown in the statements of cash flows
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Unbilled receivables
Contract with Customer, Asset, after Allowance for Credit Loss, Current
Personnel related liabilities
Employee-related Liabilities, Noncurrent
Employee-related Liabilities, Noncurrent
Shares sold in offering (in shares)
Sale of Stock, Number of Shares Issued in Transaction
Common stock, par value (in usd per share)
Par value, Class A common stock (in usd per share)
Common Stock, Par or Stated Value Per Share
Investment owned (in shares)
Investment Owned, Balance, Shares
Accrued liabilities
Accrued Liabilities, Current, Related Parties
Accrued Liabilities, Current, Related Parties
Fluence Energy, LLC
Fluence Energy, LLC [Member]
Fluence Energy, LLC
Taxes payable
Taxes Payable, Current
Current assets:
Assets, Current [Abstract]
Cost
Finite-Lived Intangible Assets, Gross
Class A common stock reserved (in shares)
Common Stock, Capital Shares Reserved for Future Issuance
Schedule of Finite-Lived Intangible Assets
Schedule of Finite-Lived Intangible Assets [Table Text Block]
London Interbank Offered Rate (LIBOR)
London Interbank Offered Rate (LIBOR) [Member]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Options exercised in period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Insurance proceeds expected
Insurance Settlements Receivable
Weighted average number of Class A common shares outstanding, diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Total other comprehensive income (loss)
Total other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Income Taxes
Income Tax Disclosure [Text Block]
Over-Allotment Option
Over-Allotment Option [Member]
Weighted average number of Class A common shares outstanding:
Weighted Average Number of Shares Outstanding, Basic [Abstract]
Related Party [Domain]
Related Party [Domain]
Outstanding Options Granted
Share-based Payment Arrangement, Option, Activity [Table Text Block]
Interest rate
Debt Instrument, Basis Spread on Variable Rate
Modified and settled in cash (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Modified And Settled Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Modified And Settled Awards
Other Current Assets
Other Current Assets [Text Block]
Patents and licenses
Patents And Licensing Agreements [Member]
Patents And Licensing Agreements
Statement of Cash Flows [Abstract]
Credit Facility [Axis]
Credit Facility [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Entity Address, Address Line One
Entity Address, Address Line One
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Entity Address, Address Line Two
Entity Address, Address Line Two
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
US Based Software and Digital Intelligence Platform
US Based Software and Digital Intelligence Platform [Member]
US Based Software and Digital Intelligence Platform
General and administrative
General and Administrative Expense [Member]
Consolidation
Consolidation, Policy [Policy Text Block]
Entity Shell Company
Entity Shell Company
Total current liabilities
Liabilities, Current
Receivables from related parties
Increase (Decrease) in Due from Related Parties, Current
Class of Stock [Domain]
Class of Stock [Domain]
Maximum borrowing amount
Line of Credit Facility, Maximum Borrowing Capacity
2021 Incentive Award Plan
2021 Incentive Award Plan [Member]
2021 Incentive Award Plan
Foreign currency adjustment
Goodwill, Foreign Currency Translation Gain (Loss)
Class B-2 common stock
Common Class B-2 [Member]
Common Class B-2
Loss Contingencies [Table]
Loss Contingencies [Table]
Ownership [Domain]
Ownership [Domain]
Current Fiscal Year End Date
Current Fiscal Year End Date
Payables outstanding subject to the program
Accounts Payable
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Common Class B-1
Class B-1 common stock
Common Class B-1 [Member]
Common Class B-1
Other current assets
Total
Other Assets, Current
Statement [Table]
Statement [Table]
Number of Awards
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Additions
Contract with Customer, Liability, Additions
Contract with Customer, Liability, Additions
Recent Accounting Standards Adopted and Recent Accounting Standards Not Yet Adopted
New Accounting Pronouncements, Policy [Policy Text Block]
Other non-current assets
Increase (Decrease) in Other Noncurrent Assets
Total unrecognized stock compensation expense
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Summary of Total Unrecognized Compensation Cost Related to Stock Compensation Expense
Share-based Payment Arrangement, Unrecognized Stock Compensation Expense [Table Text Block]
Share-based Payment Arrangement, Unrecognized Stock Compensation Expense
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Members’ capital contributions
Members' Capital
Modified and settled in cash (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Modified and Settled in Cash, Gross
Share-based Compensation Arrangement by Share-based Payment Award, Options, Modified and Settled in Cash, Gross
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table]
Provision for receivables from related parties
Receivables, Related Parties, Allowance For Credit Loss
Receivables, Related Parties, Allowance For Credit Loss
Net
Finite-Lived Intangible Assets, Net
Goodwill
Goodwill, Beginning of the period
Goodwill, End of the period
Goodwill
Non-controlling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Cost of goods and services
Cost of Sales [Member]
Scenario [Domain]
Scenario [Domain]
Schedule of Goodwill
Schedule of Goodwill [Table Text Block]
Organization and Operations
Nature of Operations [Text Block]
Adjustments to reconcile net loss to net cash used in operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Borrowing from related parties
Notes Payable, Related Parties
Outstanding Bank Guarantee Collateral
Outstanding Bank Guarantee Collateral [Member]
Outstanding Bank Guarantee Collateral
Developed technology
Developed Technology Rights [Member]
Phantom units
Phantom Share Units (PSUs) [Member]
Related-Party Transactions
Related Party Transactions Disclosure [Text Block]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Inventory [Line Items]
Inventory [Line Items]
Executive Officer
Executive Officer [Member]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Accruals and provisions
Accrued Liabilities, Noncurrent
Accrued Liabilities, Noncurrent
Receivable from insurance
Insurance Settlements Receivable, Current