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Revenue from Contracts with Customers
 9 Months Ended
Jun. 30, 2022
Revenue from Contract with Customer [Abstract]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
Our revenue is primarily derived from sales of our energy storage products. The following table presents the Company’s revenue disaggregated by geographical region. Revenues are attributed to regions based on location of customers.
In thousandsThree Months Ended June 30,
Nine Months Ended June 30,
2022202120222021
Americas (North, Central and South America)
$142,872 $246,023 $542,197 $358,140 
APAC (Asia Pacific)77,289 14,804 115,348 102,742 
EMEA (Europe, Middle-East and Africa)18,849 17,368 99,076 31,679 
Total$239,010 $278,195 $756,621 $492,561 
Deferred Revenue
Deferred revenue represents the excess billings over the amount of revenue recognized to date. Deferred revenue from related parties is included in payables and deferred revenue with related parties on the Company’s condensed consolidated balance sheets. The following table provides information about deferred revenue from contracts with customers:
In thousandsThree Months Ended June 30,Nine Months Ended June 30,
2022202120222021
Deferred revenue beginning of period$222,815 $208,901 $71,365 $123,841 
Additions194,398 — 369,679 128,963 
Revenue recognized related to amounts that were included in beginning balance of deferred revenue(46,183)(68,515)(70,014)(112,418)
Deferred revenue end of period$371,030 $140,386 $371,030 $140,386 
In thousandsThree Months Ended June 30,Nine Months Ended June 30,
2022202120222021
Deferred revenue from related parties beginning of period$171,466 $112,079 $220,122 $11,425 
Additions130,563 46,927 226,330 150,758 
Revenue recognized related to amounts that were included in beginning balance of deferred revenue(74,198)(62)(218,621)(3,239)
Deferred revenue from related parties end of period$227,831 $158,944 $227,831 $158,944 
Customer and Supplier Concentration
For the nine months ended June 30, 2022, our top three customers, in the aggregate, accounted for approximately 80% of total revenue.
For the nine months ended June 30, 2021, our top three customers, in the aggregate, accounted for approximately 80% of total revenue.
The Company has a limited number of suppliers of batteries, which is a major component of energy storage products.
Remaining Performance Obligations
The Company’s remaining performance obligations (“backlog”) represent the unrecognized revenue value of its contract commitments, which include deferred revenue and amounts that will be billed and recognized as revenue in future periods. The Company’s backlog may vary significantly each reporting period based on the timing of major new contract commitments and the backlog may fluctuate with currency movements. In addition, the Company’s customers have the right, under some circumstances, to terminate contracts or defer the timing of its services and their payments to the Company.
As of June 30, 2022, the Company had a total of $2,130.2 million of remaining performance obligations related to our contractual commitments, of which we expect to recognize 91% in revenue in the next five years and the remainder after five years.
Variable Consideration
As of June 30, 2022 and September 30, 2021, the transaction prices of our active energy solution contracts have been reduced to reflect variable consideration of $56.7 million and $52.8 million, respectively.