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Joulen
For installers

Turn every install into recurring revenue.

Add Joulen Flex to the batteries and EV chargers you fit, give customers more value, and earn ongoing revenue long after the install is done.

Installers
OEMs
Aggregators
Suppliers
Developers
Works with the hardware you already run
  • Fox ESS
  • SolaX Power
  • Solis
  • Solplanet
  • Zervio
  • Growatt
  • Sigenergy
For installers

What Joulen does for you.

Installers are the front line of the energy transition. Joulen helps you offer more than hardware, a smart, optimised proposition that keeps earning, under your own brand.

  • Recurring revenue

    Earn ongoing income from every optimised install, not just the upfront sale.

  • White-label app

    Your brand, our optimisation, a customer experience that's yours.

  • Higher attach rate

    A stronger proposition closes more sales and improves retention.

  • Works with your kit

    No change to the batteries and inverters you already fit.

  • Simple reporting

    Show customers their savings, carbon and performance.

  • Installer support

    Onboarding, training and ongoing partner support.

Recommended products

The right fit for your business.

FAQs

Installer FAQs

No. Joulen works with the batteries and inverters you already fit. You add optimisation on top.

Yes. The optimisation and customer app can run entirely white-label, under your brand.

Typically a recurring revenue share on optimised assets. We'll tailor the model to your business.

Optimise to maximise

Built for installers.

Book a call and we'll tailor it to your business and assets.

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