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Issue 01

The Signal by Artemis

What changed in residential solar, batteries and more in Q3, from real deals on Artemis.

  • 4×growth in prepaid
    TPO deals
  • Halfof signed deals come from
    installers selling beyond solar
  • 75%of deals signed by the
    top 10% of reps

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What we saw this quarter

  1. Homes with rooftop solar in a wooded valley

    4×

    Prepaid is winning.

    Prepaid TPO deals grew 4× since last fall, while classic TPO fell to 0.6×.

  2. An installer in a work vest fitting a solar panel

    Half

    Installers are going beyond solar.

    Those selling more than solar went from 37% to half of signed deals in one quarter.

  3. A sales rep at a front door showing a proposal on his phone

    75%

    Sales is top-heavy.

    The top 10% of reps sign 75% of deals.

  4. A sunlit room in a home, a lamp on a dark wood counter

    1 in 4

    Homeowners sign fast.

    1 in 4 financed deals sign within 18 minutes of the credit application.

Prepaid nearly quadrupled its share

Prepaid TPO share of signed deals

Share of signed solar and battery deals financed with prepaid TPO, by quarter, including deals with a home-improvement add-on.

Line chart. Share of signed solar and battery deals financed with prepaid TPO, by quarter: 10.2% in Q4 2025, 20.4% in Q1 2026, 28.1% in Q2 2026 and 40.7% in Q3 2026. 50% 40% 30% 20% 10% 0% Q4'25 Q1'26 Q2'26 Q3'26 40.7% Q3'26 50%30%10% Q4'25Q1'26Q2'26Q3'26 40.7%

Source: Artemis platform data, Q4'25 to Q3'26.

See all 20+ charts

20+ charts across four topics

  • Financing mix and growth
  • Battery attach and sizing
  • Speed to signature
  • How top reps and multi-product installers sell

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Get ahead of the market going into 2027. The free PDF shows what changed in financing, batteries, speed to signature and sales teams, so you can plan with real deal data.

  • Which financing homeowners are choosing now
  • How much storage sold systems carry
  • How fast deals sign, and how top reps sell

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About the data

Anonymized, aggregated Artemis platform data from Q4'25 to Q3'26. Based on installers using the Artemis platform; may not represent the full market. Analysis by Walid Halty, co-founder and CEO.

An installer in a hard hat working on a rooftop solar array

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  • Offer the leading prepaid providers

    Quote prepaid in the same proposal as cash, loan and lease.

  • Sell more than solar in one flow

    Design and price solar, batteries and other home upgrades together, then sign one project.

  • Get from address to signature faster

    Instant designs and interactive proposals let any rep present on the first call, not just your top 10%.

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What should we dig into next?

  • Will Prepaid keep climbing, and is the monthly payment why?
  • Which finance options are most often paired with Prepaid?
  • How do monthly payments compare by finance option and market?
  • Will TPO bounce back, especially battery-only?
  • Where do HVAC leases fit in?
  • Which reps and products cancel most?
  • What do the top 10% of reps do differently?
  • Do same-day deals cancel less than next-day?

For information only. Not financial, investment, legal or lending advice. Figures are preliminary and may be revised.

Have questions? marketing@artemispower.com