Form: 10-K

Annual report pursuant to Section 13 and 15(d)

February 16, 2024


EXHIBIT 21.1
SUBSIDIARIES OF THE REGISTRANT

Subsidiary    Jurisdiction
HA 7V Solar Ranch LLC Delaware
HA AllStrong LLC Delaware
HA Antelope DSR 3 LLC Delaware
HA Athena Capital Holdings LLC Delaware
HA Athos III Lender LLC Delaware
HA Baldy Mesa Lender LLC Delaware
HA Brazoria 2 LLC Delaware
HA Brazoria West LLC Delaware
HA Buckeye Holdings LLC Delaware
HA Chap Springs LLC Delaware
HA Cielo Lender LLC Delaware
HA Clear Fork Creek LLC Delaware
HA Clover Creek LLC Delaware
HA CLP Funding LLC Delaware
HA Coy Hill Road LLC Delaware
HA CS Equity Holdings LLC Delaware
HA CS5 Equity LLC Delaware
HA CS6 Equity LLC Delaware
HA CS7 Equity LLC Delaware
HA C-PACE 2019-1 Issuer LLC Delaware
HA C-PACE SAC LLC Delaware
HA Daggett Lender LLC Delaware
HA Daggett 2 Lender LLC Delaware
HA Daybreak Holdings LLC Delaware
HA Demeter Capital Lender LLC Delaware
HA Double Butte Lender LLC Delaware
HA Driving Range A LLC Delaware
HA Driving Range C LLC Delaware
HA EECI Lender LLC Delaware
HA EECI LLC Delaware
HA Eland LLC Delaware
HA EMaaS Lender LLC Delaware
HA Empower Fund 1 LLC Delaware
HA Felix Lender LLC Delaware
HA FMAC Holdings LLC Delaware
HA FMAC K102 LLC Delaware
HA FMAC KG02 LLC Delaware
HA FMAC KG03 LLC Delaware
HA Galileo LLC Delaware
HA Galileo 2 LLC Delaware
HA Gaskell West 2 LLC Delaware
HA Gaskell West 3 LLC Delaware
HA Geo Transport LLC Delaware
HA Hawkeye LLC Delaware
HA Hector 4 LLC Delaware
HA Hector LLC Delaware
HA High Mesa LLC Delaware
HA Howard Fleet Lender LLC Delaware
HA INV Buckeye LLC Delaware
HA INV Gunsight LLC Delaware
HA JBLM Funding LLC Delaware
HA Jessup Lender LLC Delaware
HA Juniper LLC Delaware



Subsidiary    Jurisdiction
HA Juniper II LLC Maryland
HA Jupiter LLC Delaware
HA LA Fleet Lender LLC Delaware
HA Land Financing Depositor LLC Delaware
HA Land Financing Issuer LLC Delaware
HA Land Financing Issuer 2 LLC Delaware
HA Land Financing Member 2 LLC Delaware
HA Land Lease I LLC Delaware
HA Land Lease II LLC Delaware
HA Land Lease Holdings LLC Delaware
HA Land Lease Holdings II LLC Delaware
HA Lighthouse LLC Delaware
HA MHPI Funding LLC Delaware
HA Oak Trail LLC Delaware
HA P3 Holdings Maryland
HA PACE Origination LLC Delaware
HA PACE Warehouse LLC Delaware
HA PanelCo Lender LLC Delaware
HA Poseidon Capital Lender LLC Delaware
HA Rabbitbrush LLC Delaware
HA Radian Lender LLC Delaware
HA Ridgeback 2021 LLC Delaware
HA Ridgeback 2022 LLC Delaware
HA RNG 1 Lender LLC Delaware
HA RNG 2 Lender LLC Delaware
HA San Pablo Raceway LLC Delaware
HA Skipjack LLC Delaware
HA Spencer Road LLC Delaware
HA Spokane Fleet Lender LLC Delaware
HA SRC Holdings LLC Delaware
HA SRC Lender LLC Delaware
HA SRC Lender 2 LLC Delaware
HA Sun Streams LLC Delaware
HA Sunrise LLC Delaware
HA SunStrong Capital LLC Delaware
HA Thrive LLC Delaware
HA Thrive 2 LL Delaware
HA VA Carver Creek I LLC Delaware
HA Virginia Land LLC Delaware
HA Wetlands LLC Maryland
HA WG Funding LLC Maryland
HA Whalers LLC Delaware
HA Wildcat LLC Delaware
HA Wildflower Lender LLC Delaware
HA Willow Springs 3 LLC Delaware
HA Wind I LLC Delaware
HA Wind II LLC Delaware
Hannie Mae Goco LLC Maryland
Hannie Mae II LLC Maryland
Hannie Mae IV LLC Maryland
Hannie Mae V LLC Maryland
Hannie Mae XI LLC Maryland
Hannie Mae XII LLC Maryland
Hannie Mae XIII LLC Maryland
Hannie Mae XIV LLC Maryland
Hannie Mae XVII LLC Maryland



Subsidiary    Jurisdiction
Hannie Mae XVIII LLC Maryland
Hannie Mae XIX LLC Maryland
Hannie Mae XX LLC Delaware
Hannie Mae XXII LLC Delaware
Hannie Mae XXIII LLC Delaware
Hannie Mae XXIV LLC Delaware
Hannie Mae XXV LLC Delaware
Hannie Mae LLC Virginia
Hannie Mae SRS Funding LLC Maryland
Hannon Armstrong Capital, LLC Maryland
Hannon Armstrong KCS Funding LLC Maryland
Hannon Armstrong Securities, LLC Maryland
Hannon Armstrong Sustainable Infrastructure, L.P. Delaware
HASI Antelope Expansion 2 LLC Delaware
HASI Argus LLC Delaware
HASI C&D Lender LLC Delaware
HASI Calhoun Lender LLC Delaware
HASI Cali Sun 1 LLC Delaware
HASI Cavalier A Lender LLC Delaware
HASI Condor Lender LLC Delaware
HASI Crystal Hill Lender LLC Delaware
HASI Cumberland LLC Delaware
HASI ECON 101 LLC Delaware
HASI Efficiency Lender II LLC Delaware
HASI Egypt Road Lender LLC Delaware
HASI FMAC KG08 LLC Delaware
HASI Gemini Lender LLC Delaware
HASI Harmony Issuer Delaware
HASI High Valley Lender LLC Delaware
HASI Jones Farm Lender LLC Delaware
HASI Julius Capital Lender LLC Delaware
HASI Juniper Capital Lender 1 LLC Delaware
HASI Keamuku Lender LLC Delaware
HASI Land Financing Issuer 3 LLC Delaware
HASI Land Financing Member 3 LLC Delaware
HASI Luna Valley Lender LLC Delaware
HASI Mcfarland A Lender LLC Delaware
HASI OBS OP A LLC Maryland
HASI Pullman Lender LLC Delaware
HASI Raceway Lender LLC Delaware
HASI Raven Capital Lender 1 LLC Delaware
HASI Rosamond South I Lender LLC Delaware
HASI Sabal LLC Delaware
HASI Saturn Storage LLC Delaware
HASI Spring Grove II Lender LLC Delaware
HASI SYB I LLC Maryland
HASI SYB 2017-1 LLC Delaware
HASI SYB Trust 2016-2 Holdings LLC Delaware
HASI Vikings Lender LLC Delaware
HASI West Line Lender LLC Delaware
HAT Holdings I LLC Maryland
HAT Holdings II LLC Maryland
HAT OBS OP A LLC Maryland
HAT OBS OP 5 LLC Maryland
HAT Scorpio Capital Lender LLC Delaware
HAT SYB I LLC Maryland



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