Earn money with your OpenEVSE charger
OpenEVSE is the open-source charger. Connect to Joulo and automatically earn ERE credits with every charging session.
€150–€400 per year · retroactive from Jan 1
// the process
Start earning in three steps
Joulo handles the entire chain. From connection to payout • no forms, spreadsheets or hassle.
Register & connect
Create a free account and add your OpenEVSE, or upload your usage manually.
AccountComplete registration
Upload your documents: EAN code, MID certificate and additional details.
DocumentsStart earning
Joulo registers your ERE credits with the NEa and pays out every quarter.
EarnMID meter needed for ERE credits
According to our catalog, OpenEVSE currently has no models with a built-in MID meter. Request a quote for a MID-certified charger so you can start earning right away.
Request quoteWhat can you earn with your OpenEVSE charger?
Calculate your net earnings after Joulo fee (up to 10%). Amounts are indicative based on current ERE market prices.
Your situation
per year
≈ 3.000 kWh kWh home charging per year (based on 20 kWh/100 km)
Your estimated earnings
Net per year (after Joulo fee)
per month
ERE's
kg CO₂
Official NEa formula
ERE = kWh × renewable fraction × fossil reference × conversion factor ÷ 1,000
Indicative calculation • actual earnings depend on ERE market price and agreements NEa
💡 Request a quote for a MID-certified charger
// benefits
Why OpenEVSE users choose Joulo
The most affordable and transparent way to earn with your charger.
From 10% • low fee
20% standard for individuals. Every renewal year lowers it by 1 percentage point down to 15%, with referrals from 10%. Cancel yearly.
Automatic reading
Joulo reads your OpenEVSE sessions automatically via the Lokale API. No manual work, no CSV exports.
Transparent dashboard
Track your charging sessions, ERE credits and payouts in real time. Everything visible in one personal overview.
Compliant & on the NEa list
Joulo B.V. is on the official NEa list of registered ERE providers (inboekdienstverleners) and is built according to the RED III framework.