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4.8/5 𝒾 how we rate

Mosaic

Stages 2-4 | Multi-Stage
Best For: Stage 2-4 teams seeking institutional-grade capital stability
L Expert Review by Lumen Editorial
✓ Updated: March 2026
Mosaic is a historical pillar of the residential solar lending landscape. It pioneered the 'no-money-down' solar loan and has funded over $15 billion in loans for more than 500,000 households. Ideal for teams seeking a lender with deep institutional stability and a proven track record across all US markets.
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Why Choose Mosaic?

The Technical Moat

Mosaic is the 'Capital Anchor' for high-volume EPCs who value institutional stability over 'Startup UI.' With over $15 billion in loans funded, Mosaic provides the deepest capital reliability in the industry. In 2026, it is the preferred choice for Stage 3-4 firms who need a rigorous, document-compliant lending rail that can support massive project fleets and satisfy the auditing requirements of global debt-cycle financiers.

Strategic Selection
  • ✓ Scale: Best for Stage 2-4 operational workflows.
  • ✓ Integration: Best paired with Aurora Solar (Design) for the ultimate Stage 3-4 enterprise finance stack.
  • ✓ Moat: Clean Energy Credit Rails.

Key Features

  • Industry-Leading API Reliability
  • PowerSwitch Flexible Lending Terms
  • Dynamic 2026 Contract Generation
  • Institutional-Grade Fleet Reporting
  • NBT-Optimized ROI Calculations
  • Direct-to-Contract Proposal Sync

Pricing

Standard Dealer Fees (Competitive APR Tiers)

Technical & Strategic Specifications

Technical Core
Clean Energy Credit Rails
API Status Mobile Onboarding Official Website
Partner-Only Web-Responsive / Tablet Optimized 4-8 weeks Site ↗
Strategic Integration Verdict

Best paired with Aurora Solar (Design) for the ultimate Stage 3-4 enterprise finance stack.

Implementation Requirements
›

NBT-Aware Utility Tariff API for ROI-compliant credit mapping

›

High-integrity Project BOM (Bill of Materials) mapping for doc-parity

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Assigned 'Finance Ops Lead' for large-scale milestone funding oversight

Pros

  • ✓
    Deepest established integrations with Aurora/Solo
  • ✓
    Highest 'Lender Reliability' score for Stage 4 EPCs
  • ✓
    Transparent fee structure with no hidden 'tech' markups

Cons

  • X
    Requires clean data-ops for rapid milestone funding
  • X
    Less emphasis on 'Instant' UI than startup lenders
  • X
    Stricter FICO-to-Product mapping logic

The Strategic Deep Dive

The Business Case

Mosaic is a historical pillar of the residential solar lending landscape. It pioneered the 'no-money-down' solar loan and has funded over $15 billion in loans for more than 500,000 households. Ideal for teams seeking a lender with deep institutional stability and a proven track record across all US markets.

Workflow Integration

  • PowerSwitch 2026: Features a robust suite of flexible loan products designed to match the NBT (Net Billing Tariff) ROI cycles of 2026.
  • Institutional Backend: Built for high-volume fleets, providing the data granularity needed for enterprise-level audits and reporting.
  • Frictionless Contract Sync: Maps directly to your design tool's bill-of-materials to ensure zero-gap funding at close.

Maturity Fit

Mosaic is a versatile solution that spans multiple operational scales, effectively serving teams from scaling SMBs all the way up to enterprise-level operations.

Maturity Blueprint

Mosaic is part of Intelligent Stack

Building institutional data assets and predictive margins (51+ installs/mo).

View Intelligent Stack →

Operational Realities

Technical Limitation

Strict document-parity rules can slow down funding if the 'Site Survey' photos show discrepancies with the original BOM.

Growth Bottleneck

Scaling requires a dedicated finance-ops admin to manage the institutional reporting requirements for large debt-facilities.

Expert Operational Reality Check
Mosaic is the benchmark for 'Capital Stability' in 2026. For Stage 3-4 EPCs, it provides the technical rails to manage massive project portfolios with institutional oversight. Its PowerSwitch lending suite is the moat—allowing installers to offer flexible, NBT-optimized terms that can be updated in real-time as project scope changes from 'Solar-only' to 'Solar-plus-Storage' during the survey phase.

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