Indebtedness

As of June 30, 2018, debt consisted of the following (in thousands, except percentages):



	Carrying Values, net of debt discount						Unused Borrowing Capacity		Interest Rate ⁽¹⁾		Maturity Date
	Current		Long Term		Total
Recourse debt:
Bank line of credit	$	—	$	247,000	$	247,000	$	406	5.31% - 5.42%		April 2020
Total recourse debt	$	—	$	247,000	$	247,000	$	406

Non-recourse debt:
Senior	15,701		987,987		1,003,688		5,000		4.23% - 5.34%		September 2020 - October 2024
Subordinated	4,774		148,900		153,674		—		6.71% - 7.82%		September 2020 - October 2024
Securitization Class A	3,644		79,716		83,360		—		4.40	%	July 2024
Securitization Class B	452		9,435		9,887		—		5.38	%	July 2024
Total non-recourse debt	$	24,571	$	1,226,038	$	1,250,609	$	5,000
Total debt	$	24,571	$	1,473,038	$	1,497,609	$	5,406


(1)	Reflects contractual, unhedged rates. See Note 9, Derivatives for hedge rates.

As of December 31, 2017, debt consisted of the following (in thousands, except percentages):



	Carrying Values, net of debt discount						Unused Borrowing Capacity		Interest Rate		Maturity Date
	Current		Long Term		Total
Recourse debt:
Bank line of credit	$	—	$	247,000	$	247,000	$	406	4.58% - 4.87%		April 2018
Total recourse debt	$	—	$	247,000	$	247,000	$	406

Non-recourse debt:
Senior	3,561		804,894		808,455		12,758		3.63% - 4.69%		September 2020 - October 2024
Subordinated	4,301		107,187		111,488		27		6.36% - 7.13%		September 2020 - October 2024
Securitization Class A	3,534		82,203		85,737		—		4.40	%	July 2024
Securitization Class B	440		9,644		10,084		—		5.38	%	July 2024
SREC Loans	9,693		22,488		32,181		—		7.28	%	July 2021
Total non-recourse debt	$	21,529	$	1,026,416	$	1,047,945	$	12,785
Total debt	$	21,529	$	1,273,416	$	1,294,945	$	13,191

Bank Line of Credit

The Company has outstanding borrowings under a syndicated working capital facility with banks for a total commitment of up to $250.0 million. The working capital facility is secured by substantially all of the unencumbered assets of the Company, as well as ownership interests in certain subsidiaries of the Company. Loans under the facility bear interest at LIBOR +3.25% per annum or the Base Rate +2.25% per annum. The Base Rate is the highest of the Federal Funds Rate +0.50%, the Prime Rate, or LIBOR +1.00%.

Under the terms of the working capital facility, the Company is required to meet various restrictive covenants, such as the completion and presentation of audited consolidated financial statements, maintaining a minimum unencumbered liquidity of at least $30 million at the end of each calendar month and maintaining a minimum interest coverage ratio of 3.00 or greater, measured quarterly as of the last day of each quarter. The Company was in compliance with all debt covenants as of June 30, 2018. As of June 30, 2018, the balance under this facility was $247.0 million with a maturity date in April 2020.

Syndicated Credit Facilities

Each of the Company's syndicated credit facilities contain customary covenants including the requirement to maintain certain financial measurements and provide lender reporting. Each of the syndicated credit facilities also contain certain provisions in the event of default which entitle lenders to take certain actions including acceleration of amounts due under the facilities and acquisition of membership interests and assets that are pledged to the lenders under the terms of the credit facilities. The facilities are non-recourse to the Company and are secured by net cash flows from Customer Agreements less certain operating, maintenance and other expenses which are available to the borrower after distributions to tax equity investors. The Company was in compliance with all debt covenants as of June 30, 2018.

As of June 30, 2018, certain subsidiaries of the Company have an outstanding balance of $286.7 million on secured credit facilities that were syndicated with various lenders due in October 2024. The credit facilities totaled $303.0 million and consisted of $293.0 million in term loans, and a $10.0 million revolving debt service reserve letter of credit facility. Term Loan A ("TLA") is a senior delayed draw term loan that bears interest at LIBOR +2.75% per annum for LIBOR loans or the Base Rate +1.75% per annum on Base Rate loans. Term Loan B ("TLB") is subordinated debt and consists of a Class A portion which accrues interest at a fixed interest rate of 7.03% per annum and a Class B portion which accrues interest at LIBOR +5.00% per annum or the Base Rate +4.00% per annum. The Base Rate is the highest of the Federal Funds Rate +0.50%, the Prime Rate, or LIBOR +1.00%. Under TLA, prepayments are permitted with no penalties. Under TLB, prepayments are permitted with associated penalties ranging from 0% - 5% depending on the timing of prepayments.

As of June 30, 2018, certain subsidiaries of the Company have an outstanding balance of $188.1 million on senior secured credit facilities that were syndicated with various lenders due in April 2024. These facilities are subject to the National Grid project equity transaction. The credit facilities totaled $202.0 million and consisted of a $195.0 million senior delayed draw term loan facility and a $7.0 million revolving debt service reserve letter of credit facility. Loans under the facility bear interest at LIBOR +2.25% per annum, as amended in March 2018, for the remainder of the initial four-year period for LIBOR loans or the Base Rate +1.25% per annum for Base Rate Loans. The Base Rate is the highest of the Federal Funds Rate +0.50%, the Prime Rate, or LIBOR +1.00%. The facilities are non-recourse to the Company and are secured by net cash flows from Customer Agreements and SRECs, less certain operating, maintenance and other expenses which are available to the borrower after distributions to tax equity investors. Prepayments are permitted under the delayed draw term loan facility.

As of June 30, 2018, certain subsidiaries of the Company have an outstanding balance of $313.8 million on secured credit facilities agreements, as amended, with a syndicate of banks due in March 2023. The facilities totaled $595.0 million and consisted of a revolving aggregation facility (“Aggregation Facility”), a term loan ("Term Loan") and a revolving debt service reserve letter of credit facility. Senior loans under the Aggregation Facility bear interest at LIBOR +2.50% per annum for the initial three-year revolving availability period, stepping up to LIBOR +2.75% per annum in the following two-year period. The subordinated Term Loan bears interest at LIBOR +5.00% per annum for the first three-year period, stepping up to LIBOR +6.50% per annum thereafter. Term Loan prepayment penalties range from 0% - 1% depending on the timing of prepayments.

As of June 30, 2018, certain subsidiaries of the Company have an outstanding balance of $161.6 million on secured credit facilities agreements with a syndicate of banks due in December 2021. The facilities totaled $195.4 million and consisted of a senior term loan (“Term Loan A”), a working capital revolver commitment and a revolving debt service reserve letter of credit facility which draws are solely for the purpose of satisfying the required debt service reserve amount if necessary. Loans under Term Loan A bear interest at LIBOR +2.75% per annum, stepping up to LIBOR +3.00% per annum on the fourth anniversary. The facilities also include a subordinated term loan (“Term Loan B”) which bears interest at LIBOR +5.00% per annum. Prepayments are permitted under Term Loan A and Term Loan B at par without premium or penalty.

Senior Debt

As of June 30, 2018, a subsidiary of the Company has an outstanding balance of $154.4 million on a revolving loan facility due in September 2020. The facility is non-recourse to the Company and is secured by the assets of such subsidiary and its net cash flows, including the net cash flows from the generation of contracted SRECs by certain subsidiaries of the Company. Loans under the facility bear interest at LIBOR +2.75% per annum for the senior secured loan, and LIBOR +5.50% per annum for the subordinated loan. The Company was in compliance with all debt covenants under this loan facility as of June 30, 2018.

As of June 30, 2018, a subsidiary of the Company has an outstanding balance of $22.9 million on a term loan due in April 2022. The loan is secured by the assets and related net cash flow of this subsidiary and is non-recourse to the Company’s other assets. The Company was in compliance with all debt covenants under this loan as of June 30, 2018.

As of June 30, 2018, a subsidiary of the Company has an outstanding balance of $11.6 million on a non-recourse loan due in September 2022. The loan is secured by substantially all of the assets of the subsidiary including this subsidiary’s membership interests and assets in its investment funds. The loan contains certain provisions in the event of default which entitles the lender to take certain actions including acceleration of amounts due under the loan. Loans under this facility bear interest at LIBOR +3.00% per annum. The financing agreement requires the Company to maintain certain financial covenants. At June 30, 2018, the Company was not in compliance with the interest rate hedging agreement that resulted in hedging greater than 100% of the aggregate principal amount; however, a waiver was obtained from the lender for this instance of noncompliance, and the noncompliance has been remedied.

As of June 30, 2018, a subsidiary of the Company has an outstanding balance of $18.3 million on a secured, non-recourse loan agreement due in September 2022. The loan will be repaid through cash flows from a pass-through financing obligation arrangement previously entered into by the Company. The loan agreement contains customary covenants including the requirement to maintain certain financial measurements and provide lender reporting. The loan also contains certain provisions in the event of default which entitles the lender to take certain actions including acceleration of amounts due under the loan. Loans under this facility bear interest at LIBOR +2.25% per annum. The Company was in compliance with all debt covenants under this loan as of June 30, 2018.

Securitization Loans

As of June 30, 2018, a subsidiary of the Company has an outstanding balance of $93.2 million on solar asset-backed notes ("Notes") secured by associated customer contracts (“Solar Assets”) held by a special purpose entity (“Issuer”). As of June 30, 2018 and December 31, 2017, these Solar Assets had a carrying value of $168.5 million and $172.8 million, respectively, and are included under solar energy systems, net, in the consolidated balance sheets. The Company was in compliance with all debt covenants as of June 30, 2018.