December 3, 2022


The Number One Source For Business

KBRA Assigns Preliminary Ratings to Mosaic Solar Loan Trust 2021-1

NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) assigns preliminary ratings to four classes of notes issued by Mosaic Solar Loan Trust 2021-1 (“Mosaic 2021-1”), an asset-backed securitization collateralized by a pool of residential solar loans.

The collateral pool of Mosaic 2021-1 will include approximately $350.0 million of residential solar loans, which composes of $225.0 million in loans at closing and $125.0 million in additional prefunded solar loans. The preliminary ratings reflect the initial credit enhancement levels ranging from 44.58{de3fc13d4eb210e6ea91a63b91641ad51ecf4a1f1306988bf846a537e7024eeb} for the Class A notes to 6.58{de3fc13d4eb210e6ea91a63b91641ad51ecf4a1f1306988bf846a537e7024eeb} for the Class D notes.

Solar Mosaic, Inc. (“Mosaic or the “Company”) is a California-based specialty finance company focused on originating and servicing consumer loans used for the purchase of residential solar systems. Mosaic was founded in 2011 and began originating residential solar system loans in June 2014. Mosaic originates loans to mostly prime credit quality homeowners through its partnerships with more than 400 active approved solar system installers/dealers. The Company directly originates loans in 48 states and the District of Columbia through its state lending licenses where required, and across all 50 states and the District of Columbia through lending partnerships with financial institutions.

KBRA applied its Global General Rating Methodology for Asset-Backed Securities, Global Consumer Loan ABS Rating Methodology, and its Global Structured Finance Counterparty Methodology as part of its analysis of the transaction’s underlying collateral pool and the proposed capital structure. KBRA also conducted an operational assessment of Mosaic, as well as a review of the transaction’s legal structure and transaction documents. KBRA will also review the operative agreements and legal opinions for the transaction prior to closing.

Click here to view the report. To access ratings and relevant documents, click here.

Related Publications


Further information on key credit considerations, sensitivity analyses that consider what factors can affect these credit ratings and how they could lead to an upgrade or a downgrade, and ESG factors (where they are a key driver behind the change to the credit rating or rating outlook) can be found in the full rating report referenced above.

A description of all substantially material sources that were used to prepare the credit rating and information on the methodology(ies) (inclusive of any material models and sensitivity analyses of the relevant key rating assumptions, as applicable) used in determining the credit rating is available in the Information Disclosure Form(s) located here.

Information on the meaning of each rating category can be located here.

Further disclosures relating to this rating action are available in the Information Disclosure Form(s) referenced above. Additional information regarding KBRA policies, methodologies, rating scales and disclosures are available at

About KBRA

Kroll Bond Rating Agency, LLC (KBRA) is a full-service credit rating agency registered with the U.S. Securities and Exchange Commission as an NRSRO. Kroll Bond Rating Agency Europe Limited is registered as a CRA with the European Securities and Markets Authority. Kroll Bond Rating Agency UK Limited is registered as a CRA with the UK Financial Conduct Authority pursuant to the Temporary Registration Regime. In addition, KBRA is designated as a designated rating organization by the Ontario Securities Commission for issuers of asset-backed securities to file a short form prospectus or shelf prospectus. KBRA is also recognized by the National Association of Insurance Commissioners as a Credit Rating Provider.