
	September 30, 2020				December 31, 2019
	Net Carrying Value		Fair Value		Net Carrying Value		Fair Value

Customer receivables
Customer financing receivables	$	52,066	$	43,623	$	55,855	$	44,002
Debt instruments
Recourse:
LIBOR + 4% term loan due November 2020	278		287		1,536		1,590
5% convertible promissory Constellation note due December 2021	—		—		36,482		32,070

10% convertible promissory notes due December 20211	99,379		234,816		273,410		302,047
10% notes due July 2024	76,743		71,385		89,962		97,512
10.25% senior secured notes due March 2027	68,526		59,747		—		—
2.5% green convertible senior notes due August 2025	98,212		293,135		—		—
Non-recourse:

7.5% term loan due September 2028	32,717		36,665		34,969		41,108

6.07% senior secured notes due March 2030	77,846		89,079		80,016		87,618
LIBOR + 2.5% term loan due December 2021	117,145		117,457		120,437		120,510

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