OPENEVSE ERE REGISTRATION · 20% STANDARD · DOWN TO 10% VIA REFERRALS
OpenEVSEconnected to Joulo
Joulo connects to your OpenEVSE's local RAPI/HTTP API. We automatically register your sessions as an Emission Reduction Unit (ERE) with the NEa. For MID registration we arrange a certified intermediate meter, paid out quarterly.
// what fits you?
Which situation applies to you?
The right next step for your situation — whether you already have a OpenEVSE, a different charger, or nothing yet.
I have a OpenEVSE
Connect your OpenEVSE to Joulo and receive automatic ERE registration with the NEa.
Get startedI have a different charger
Check your make and model in the compatibility tool — instantly clear what you need.
Check chargerI don't have a charger yet
Joulo supplies a MID-certified charger including installation and direct ERE connection.
Request a quote// ERE eligibility
Does the OpenEVSE WiFi have a MID meter for ERE registration?
No, the OpenEVSE WiFi does not have a MID-certified meter by default. For ERE registration, Joulo arranges a MID intermediate meter for automatic reading, or you submit your meter reading monthly via the Joulo dashboard.
at a glance
OpenEVSE WiFi
- Power output
- Up to 22 kW (3-phase) / 7.4 kW (1-phase) · configuration-dependent
- Connector
- Type 2 (custom build)
- MID meter
- No · MID intermediate meter available via Joulo
- Connection
- Local RAPI/HTTP API · OCPP via intermediate meter
- Sync
- Monthly (manual) or via intermediate meter
- Retroactive from
- 1 January 2026 (from first meter reading)
- V2G ready
- No
- Warranty
- Depends on supplier (open source)
// 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 via local API or meter-reading entry.
AccountComplete registration
Request a MID intermediate meter for automatic registration.
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
// integration
Under the hood
How Joulo connects your OpenEVSE, technical and honest.
technical specs
How Joulo connects your OpenEVSE
API
OpenEVSE RAPI/HTTP (lokaal)
Auth
API key in lokaal netwerk
Sync
maandelijks (handmatig) of via tussenmeter
MID detection
Niet automatisch · MID-tussenmeter aanvragen
- OpenEVSE heeft standaard geen MID-meter. Voor ERE-registratie is een gecertificeerde tussenmeter nodig.
// benefits
Why Joulo for your OpenEVSE
The most affordable and transparent way to earn with your charger.
From 10% • low fee
20% standard for individuals · down to 10% via referrals. Cancel yearly.
Full integration
Joulo is the only NL platform directly connected to the Lokale API + MID-tussenmeter. No manual work, no CSV exports.
Transparent dashboard
While charging, you see your sessions flow in. ERE credits and payouts fully visible.
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.
Last updated: Source: NEa list of registered ERE providers