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v3.23.2

Debt (Details) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
May 19, 2023 USD ($) project | Apr. 30, 2024 | Apr. 30, 2023 USD ($) position | Jul. 31, 2023 USD ($) | Jul. 31, 2023 USD ($) | May 22, 2023 | Dec. 19, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Term to maintain debt service coverage ratio | 6 months |  |  |  |  |  |
Notional amount of hedge |  |  |  |  |  | 100.00% |
Interest rate |  |  |  |  |  | 3.716% |
Gain from fair value adjustment of debt |  |  |  | $ 500,000 | $ 500,000 |  |
Quarterly principal payment | $ 675,000 |  |  |  |  |  |
Trailing period for debt service coverage ratio | 12 months |  |  |  |  |  |
First four years |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 6.366% |
Thereafter |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 6.866% |
Liberty Bank, Fifth Third Bank and Connecticut Green Bank |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of debt | $ 11,400,000 |  |  |  |  |  |
PNC Energy Capital, LLC |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Funds released from restricted and unrestricted reserve account | $ 7,300,000 |  |  |  |  |  |
Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notional amount of hedge | 75.00% |  |  |  |  |  |
Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notional amount of hedge | 105.00% |  |  |  |  |  |
Project Financing Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of operating fuel cell generation projects | project | 6 |  |  |  |  |  |
Number of leased projects ownership reacquired | project | 3 |  |  |  |  |  |
Repayments of debt | $ 1,800,000 |  |  |  |  |  |
Payments of debt issuance costs | 2,900,000 |  |  |  |  |  |
Net proceeds from debt | 77,600,000 |  |  |  |  |  |
Payments for lease buyouts and sales taxes | 15,000,000.0 |  |  |  |  |  |
Payments to fund capital expenditure reserve account | 14,500,000 |  |  |  |  |  |
Proceeds from debt, distributed to company | 34,900,000 |  |  |  |  |  |
Unrestricted cash | $ 46,100,000 |  |  |  |  |  |
Initial interest period | 3 months |  |  |  |  |  |
Principal amortization period | 17 years |  |  |  |  |  |
Debt service coverage ratio | 1.30% |  |  |  |  |  |
Debt instrument term | 7 years |  |  |  |  |  |
Capital Expenditure Reserve | $ 29,000,000.0 |  |  |  |  |  |
Future capital expenditures or long-term capital investments | 29,000,000.0 |  |  |  |  |  |
Capital expenditure reserve funded out of debt | $ 14,500,000 |  |  |  |  |  |
Threshold annual operating expense budget as percent of base case model, approval from lenders | 115.00% |  |  |  |  |  |
Trailing period for debt service coverage ratio | 12 months |  |  |  |  |  |
Debt service coverage ratio, testing frequency | 6 months |  |  |  |  |  |
Project Financing Facility | Applicable interest period one |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest period | 1 month |  |  |  |  |  |
Project Financing Facility | Applicable interest period two |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest period | 3 months |  |  |  |  |  |
Project Financing Facility | Applicable interest period three |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest period | 6 months |  |  |  |  |  |
Project Financing Facility | SOFR rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Initial interest period | 3 months |  |  |  |  |  |
Project Financing Facility | SOFR rate | First four years |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate, basis points | 2.50% |  |  |  |  |  |
Project Financing Facility | SOFR rate | Thereafter |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate, basis points | 3.00% |  |  |  |  |  |
Project Financing Facility | Base rate | First four years |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate, basis points | 1.50% |  |  |  |  |  |
Project Financing Facility | Base rate | Thereafter |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate, basis points | 2.00% |  |  |  |  |  |
Project Financing Facility | Liberty Bank and Fifth Third Bank |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Funds released from restricted cash | $ 11,200,000 |  |  |  |  |  |
Project Financing Facility | PNC Energy Capital, LLC |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of leased projects ownership reacquired | project | 3 |  |  |  |  |  |
Project Financing Facility | Bridgeport Fuel Cell Project [Member] | Liberty Bank, Fifth Third Bank and Connecticut Green Bank |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Encumbrance amount | $ 11,400,000 |  |  |  |  |  |
Project Financing Facility | Pfizer Project | PNC Energy Capital, LLC | Sale-leaseback Arrangements with PNC |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Lease buyout amount | 15,700,000 |  |  |  |  |  |
Project Financing Facility | Riverside Regional Water Quality Control Plant Project | PNC Energy Capital, LLC | Sale-leaseback Arrangements with PNC |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Lease buyout amount | 3,700,000 |  |  |  |  |  |
Project Financing Facility | Santa Rita Jail Project | Sale-leaseback Arrangements with PNC |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Lease buyout amount | $ 2,800,000 |  |  |  |  |  |
Project Financing Facility | LIPA Yaphank Solid Waste Management Project [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Extension term of gas agreement | 3 years |  |  |  |  |  |
Period to exercise option to purchase member interest in tax equity partnership | 6 months |  |  |  |  |  |
Project Financing Facility | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt service coverage ratio | 1.20% |  |  |  |  |  |
Annual operating expense budget approval from lenders, lending percent | 50.00% |  |  |  |  |  |
Term loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | $ 80,500,000 |  |  |  |  |  |
Funds released from restricted and unrestricted reserve account | 7,300,000 |  |  |  |  |  |
Gross proceeds from debt | 80,500,000 |  |  |  |  |  |
Letter of credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 6,500,000 |  |  |  |  |  |
Connecticut Green Bank Loan [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 3,000,000.0
State of Connecticut Loan | Third Amendment |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of consecutive months maintain full time positions |  |  | 24 months |  |  |  |
Number of minimum full time positions required to be maintained | position |  |  | 91 |  |  |  |
Number of minimum full time positions required to be maintained including additional employment positions | position |  |  | 629 |  |  |  |
Additional credits to be earned |  |  | $ 2,000,000.0 |  |  |  |
Consecutive term for average number of employees |  | 24 months | 24 months |  |  |  |
Principal payable number of employee under employee obligation target |  |  | $ 14,225.00 |  |  |  |
State of Connecticut Loan | Employment Obligation [Member] | Third Amendment |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of minimum full time positions required to be maintained | position |  |  | 538 |  |  |  |

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