Platform

    From charging session to income

    Zero barriers, zero paperwork. Everything automated.

    Joulo Integrations · Live

    Cloud integrations

    Tesla(OAuth)
    Live
    Easee(credentials)
    Live
    Wallbox(credentials)
    Live
    Alfen(OCPP)
    Live
    Zaptec(credentials)
    Live
    OpenEVSE(OCPP)
    Live
    go-e(OCPP)
    Live
    Charge Amps(OCPP)
    Live
    Smappee(OAuth)
    Live

    Protocol

    OCPP 1.6(universal)
    Live

    125+ models · 45+ brands · 9 cloud integrations + OCPP

    Architecture

    Four layers, one system

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

    LAYER 04

    Insight

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

    Real-time dashboard with ERE credits & kWh
    Mobile app — iOS & Android
    Embeddable widget & partner portal
    CSV export & JSON API
    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
    45+ brands, 125+ models in one indexed database
    Market prices, energy mix & tariff history
    LAYER 01

    Connections

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

    9 cloud APIs — Tesla, Easee, Alfen, Zaptec, Wallbox, …
    Universal OCPP 1.6J WebSocket gateway
    OAuth & credential management per brand
    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. Full transparency, account deletion always possible.

    Processing

    From kWh to euro

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

    Live processing

    Data collection

    EV charging sessions & energy production

    Live

    Verification

    Compliance checks & validation

    Auto

    Registration

    Register & claim EREs with NEa

    Auto

    Trading

    Periodic payout via brokers

    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

    Lower costs through partners

    The standard service fee is 20%. Through partners and referrals it can be lowered — to a minimum of 15%.

    Standard service fee20%
    Partner discount (e.g. Tibber)up to −2%
    Referral discount−1%
    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're both active customers sharing data.

    Minimum service fee15%
    Joulo mobile app on table
    Mobile app

    Joulo on mobile

    Instant insight into your earnings, sessions and ERE credits. Anytime, anywhere.

    Monitoring

    View the current status of all Joulo services and integrations.

    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 by Ruben Stolk and Johan Trip — both convinced that home charging can be fairer and smarter. We're building the platform we wished existed: transparent, fully automated and open to everyone.

    Ruben Stolk

    Ruben Stolk

    Co-founder

    Johan Trip

    Johan Trip

    Co-founder

    Platform in numbers

    –

    kWh

    –

    ERE-credits

    –

    Sessions

    99.9%

    Uptime (30d)

    –

    Avg sessions/charger

    –

    Most active brand

    –

    Avg kWh/session

    –

    Peak hour

    These statistics reflect direct Joulo users only. Whitelabel and CPO client data is not shown. Learn about our whitelabel solution →