EXHIBIT 21.1
SUBSIDIARIES OF THE REGISTRANT

Subsidiary   Jurisdiction
Cobalt Upwind Holdings LLCDelaware
HA 7V Solar Ranch LLCDelaware
HA AllStrong LLCDelaware
HA Antelope DSR 3 LLCDelaware
HA Athena Capital Holdings LLCDelaware
HA Athos III Lender LLCDelaware
HA Brazoria 2 LLCDelaware
HA Brazoria West LLCDelaware
HA Buckeye Holdings LLCDelaware
HA Chap Springs LLCDelaware
HA Clover Creek LLCDelaware
HA CLP Funding LLCDelaware
HA Coy Hill Road LLCDelaware
HA C-PACE 2019-1 Issuer LLC Delaware
HA C-PACE SAC LLCDelaware
HA Daggett Lender LLCDelaware
HA Daggett 2 Lender LLCDelaware
HA Daybreak Holdings LLCDelaware
HA Demeter Capital Lender LLCDelaware
HA Driving Range A LLCDelaware
HA Driving Range C LLCDelaware
HA EECI Lender LLCDelaware
HA EECI LLCDelaware
HA Eland LLCDelaware
HA EMaaS Lender LLCDelaware
HA Empower Fund 1 LLCDelaware
HA Felix Lender LLCDelaware
HA FMAC Holdings LLCDelaware
HA FMAC K102 LLCDelaware
HA FMAC KG02 LLCDelaware
HA FMAC KG03 LLCDelaware
HA Galileo LLCDelaware
HA Galileo 2 LLCDelaware
HA Hawkeye LLCDelaware
HA Hector 4 LLCDelaware
HA Hector LLCDelaware
HA Helix LLCDelaware
HA INV Buckeye LLCDelaware
HA INV Gunsight LLCDelaware
HA JBLM Funding LLCDelaware
HA Juniper LLC Delaware
HA Juniper II LLCMaryland
HA Jupiter LLCDelaware
HA Land Financing Depositor LLCDelaware
HA Land Financing Issuer LLCDelaware
HA Land Financing Issuer 2 LLCDelaware
HA Land Financing Member 2 LLCDelaware
HA Land Lease I LLCDelaware
HA Land Lease II LLCDelaware
HA Land Lease Holdings LLCDelaware
HA Land Lease Holdings II LLCDelaware
HA Lighthouse LLCDelaware
HA MHPI Funding LLCDelaware



Subsidiary   Jurisdiction
HA P3 HoldingsMaryland
HA PACE Origination LLC Delaware
HA PACE Warehouse LLCDelaware
HA PanelCo Lender LLCDelaware
HA Rabbitbrush LLCDelaware
HA Radian Lender LLCDelaware
HA Ridgeback 2021 LLCDelaware
HA Ridgeback 2022 LLCDelaware
HA San Pablo Raceway LLCDelaware
HA Skipjack LLCDelaware
HA Spencer Road LLCDelaware
HA SRC Holdings LLCDelaware
HA SRC Lender LLCDelaware
HA Sun Streams LLCDelaware
HA Sunrise LLCDelaware
HA SunStrong Capital LLCDelaware
HA Thrive LLCDelaware
HA Thrive 2 LLDelaware
HA VA Carver Creek I LLCDelaware
HA Virginia Land LLCDelaware
HA Wetlands LLCMaryland
HA WG Funding LLCMaryland
HA Whalers LLCDelaware
HA Wildcat LLCDelaware
HA Willow Springs 3 LLCDelaware
HA Wind I LLCDelaware
HA Wind II LLCDelaware
Hannie Mae Goco LLCMaryland
Hannie Mae II LLCMaryland
Hannie Mae IV LLCMaryland
Hannie Mae V LLCMaryland
Hannie Mae XI LLCMaryland
Hannie Mae XII LLCMaryland
Hannie Mae XIII LLCMaryland
Hannie Mae XIV LLCMaryland
Hannie Mae XVII LLCMaryland
Hannie Mae XVIII LLCMaryland
Hannie Mae XIX LLCMaryland
Hannie Mae XX LLCDelaware
Hannie Mae XXII LLCDelaware
Hannie Mae XXIII LLCDelaware
Hannie Mae LLCVirginia
Hannie Mae SRS Funding LLCMaryland
Hannon Armstrong Capital, LLCMaryland
Hannon Armstrong KCS Funding LLCMaryland
Hannon Armstrong Securities, LLCMaryland
Hannon Armstrong Sustainable Infrastructure, L.P.Delaware
HASI ECON 101 LLCDelaware
HASI OBS OP A LLCMaryland
HASI SYB I LLCMaryland
HASI SYB 2017-1 LLCDelaware
HASI SYB Trust 2016-2 Holdings LLCDelaware
HAT Holdings I LLCMaryland
HAT Holdings II LLCMaryland
HAT OBS OP A LLCMaryland
HAT OBS OP 5 LLCMaryland



Subsidiary   Jurisdiction
HAT Scorpio Capital Lender LLCDelaware
HAT Solar Sail Capital Lender LLCMaryland
HAT SYB I LLCMaryland
HAT SYB Trust 2016-2 Holdings LLCDelaware
HAT Terrier Acquisition LLCDelaware
HAT Terrier Capital Lender LLCMaryland
HAT Ultralight Capital Lender LLCDelaware
HAT Ultralight Capital Lender 2 LLCMaryland
HAT V3 Capital Member LLCDelaware
HAT V3 Capital Lender LLCDelaware
Lannie Mae LLCMaryland
Lannie Mae Depositor LLCMaryland
Rhea Borrower (HASI) LLCDelaware
Rhea Borrower (HAT I) LLCDelaware
Rhea Borrower (HAT II) LLCDelaware
Ridgeback 2021 Class A LLCDelaware
Ridgeback 2022 Class A LLCDelaware
Strong Upwind Holdings LLCDelaware
Strong Upwind Holdings II LLCDelaware
Strong Upwind Holdings III LLCDelaware
Strong Upwind Residual LLCDelaware
SunStrong Capital Lender Holdings LLCMaryland
SunStrong Capital Lender LLCMaryland
SunStrong Capital Lender 2 LLCMaryland
SunStrong Capital Lender 3 LLCMaryland
SunStrong Capital Lender 6 LLCMaryland
Titan Borrower (HASI) LLCDelaware
Titan Borrower (HAT I) LLCDelaware
Titan-Rhea Holdings (HASI) LLCDelaware
Titan-Rhea Holdings (HAT I) LLCDelaware
Titan-Rhea Holdings (HAT II) LLCDelaware
 
Exh. 21.1-1