Platform

    From charging session to income

    Zero barriers, zero paperwork. Everything automated.

    Joulo Integrations · Live

    Cloud integrations (14)

    TeslaEaseeWallboxZaptecSmappeeV2CEnphaseNexBlueChargeAmpsOhmeBlue CurrentVictronEcotapVolt Time

    Platform backends (8)

    Plugchoice50fiveEV CompanyEneco eMobilityVattenfallVan LeeuwenTapNexxtmove

    Protocol

    OCPP 1.6(universal)
    Live

    159 models · 64 brands · 14 cloud brands + OCPP

    Architecture

    Four layers, one system

    Capabilities, memory, intelligence and interfaces • four abstraction layers that form invisible infrastructure.

    How it works • 44 seconds, from compatibility check to quarterly payout.

    LAYER 04

    Insight

    Your dashboard, app and exports • always up to date.

    Real-time dashboard with ERE credits & kWh
    Mobile app • iOS & Android
    PDF statement & CSV export for employer or accountant
    Embeddable widget, partner portal & JSON API
    Joulo dashboard with kWh, ERE credits and expected earnings
    LAYER 03

    Brain

    Automatically validate, calculate and pay out.

    Automated validation & compliance checks
    Quarterly settlement & ERE batch registration
    Anomaly detection & fraud prevention
    GDPR-compliant data processing & deletion
    LAYER 02

    Memory

    Every session, every kWh, every price • remembered and organised.

    Charging sessions, meter readings & energy production
    EAN registrations & contract history
    64+ brands, 159+ models in one indexed database
    Market prices, energy mix & tariff history
    Charging sessions with date, energy and earnings in the Joulo dashboard
    LAYER 01

    Connections

    Joulo talks to your charger • any brand, any protocol.

    14 cloud brands • Tesla, Easee, Zaptec, Wallbox, Smappee, …
    Universal OCPP 1.6J WebSocket gateway
    Direct sync from platform backends • Plugchoice, Eneco eMobility, Vattenfall, …
    MID meter collection & verification
    What you get

    Everything in one platform

    From real-time insights to automatic registration • everything you need to earn from your charger.

    Real-time dashboard

    Track your kWh, ERE credits and earnings live. Everything in one place.

    Mobile app

    iOS & Android. View your charging sessions and income on the go.

    Embeddable widget

    Show your ERE impact on your own website via iframe, SVG or JSON API.

    CSV export

    Download your data for your own records or tax filing.

    Automatic ERE registration

    Charging data is automatically validated and registered with NEa.

    GDPR compliant

    Your data is yours. You can close your account at any time; your charging and ERE history is retained under the statutory retention period for registration providers.

    Processing

    From kWh to euro

    Charging data is automatically fetched, validated and registered. You receive a payout every quarter.

    Live processing

    Data collection

    … sessions processed

    Live

    Verification

    Compliance checks & validation

    Auto

    Registration

    … ERE registered

    Auto

    Trading

    Estimated: …/year

    Periodic
    Partners

    Built for collaboration

    Installers, energy suppliers and consultancies collaborate on the platform. Everyone earns.

    Energy partners

    Co-branded landing page under your own brand (e.g. Tibber). Service fee discount for all your customers.

    Consultancies & installers

    Integrate ERE advice into your services. Refer and co-earn.

    CPOs & back-offices

    Available as whitelabel. Integrate Joulo into your own platform and offer ERE registration to your customers.

    Costs

    Your service fee can go down

    Joulo charges individuals a 20% service fee, cancellable yearly. Referral discounts available.

    Invite other home chargers and you both get an extra 1 percentage point discount as long as you both remain customers • down to a minimum of 10%.

    Sign up through a connected partner, such as an energy supplier or installer, and an extra discount may apply on top.

    Standard service fee20%
    Loyalty discount−1% per renewal year
    Referral discount−1% per active friend
    Partner discountextra discount possible
    Referral discount in 3 steps
    1

    Share your link

    2

    Friend registers & connects charger

    3

    Both get −1% discount

    Discount applies as long as you both remain Joulo customers.

    With enough active referrals10%
    Mobile app

    Your earnings in your pocket

    Track your charging sessions, ERE credits and payouts wherever you are. The app shares the same data as your dashboard on joulo.nl • what you do on your phone works just as well on the site.

    Installed over 5,500 times on iPhone and Android.

    Download on theApp StoreGet it onGoogle Play
    4.8 • 125 ratings
    No. 50 in Business on the App Store
    Three screens of the Joulo app: dashboard, chargers and login
    Monitoring

    View the current status of all Joulo services and integrations.

    What customers say
    “Clean layout, easy to reach and good support. A solid platform I have full confidence in.”
    BartMore reviews →
    FAQ

    Frequently asked questions

    Everything you want to know about Joulo, ERE credits and how the platform works.

    About us

    Built by entrepreneurs

    Joulo was founded in 2026 with one mission: to unlock the value of home charging. The team combines fintech, energy and the financial markets • the platform automates everything, from data collection to payout.

    Ruben Stolk

    Ruben Stolk

    Co-founder

    Johan Trip

    Johan Trip

    Co-founder

    Harm Oosthoek

    Harm Oosthoek

    Head of Trade