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Revenue from Contracts with Customers | 9 Months Ended
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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 thousands |  | Three Months Ended June 30, |  | Nine Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
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 thousands |  | Three Months Ended June 30, |  | Nine Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Deferred revenue beginning of period |  | $ | 222,815 |  |  | $ | 208,901 |  |  | $ | 71,365 |  |  | $ | 123,841 |
Additions |  | 194,398 |  |  | — |  |  | 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 thousands |  | Three Months Ended June 30, |  | Nine Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Deferred revenue from related parties beginning of period |  | $ | 171,466 |  |  | $ | 112,079 |  |  | $ | 220,122 |  |  | $ | 11,425 |
Additions |  | 130,563 |  |  | 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 tota l of $2,130.2 million of re maining 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.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI https://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 + Details
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