If you charge a company car at home on a Hager witty, your employer can reimburse that electricity free of tax and National Insurance — as long as it is clear the electricity went into the company car and not into the house. The witty range speaks OCPP, so ChargeReport reads every session straight from the charger: you enter our gateway address once and the unit reports in by itself. Each month you and your payroll team get a statement listing every session with date, time and kWh. No extra hardware, and no second meter in the supply.
Supported Hager models
ChargeReport supports the following models of the Hager range natively, with no extra hardware:
- witty one
- witty plus
- witty pro
- witty park
- witty share
If your model is not listed but has an OCPP interface that lets you enter your own backend, it can still connect to us — our gateway speaks OCPP 1.6J and 2.0.1 and accepts connections encrypted via wss://. If you are unsure, see our setup guide for wallbox brands or get in touch before you sign up.
Connect your Hager wallbox in 3 minutes
Which route you take depends on the model. On the witty one and witty plus it runs through the HagerCharge app: the three-dot menu, then "Station Settings", "CPO Configuration" and "Activate". On the witty share and behind an XEM520 load manager it runs through the charger's built-in web interface — the connection type goes to "OCPP" and then "OCPP-Voll" (that interface is in German), our address goes under "OCPP-URL" without the charge ID, and the charge ID itself under "Identity". The ChargeReport wizard shows both values separately. There is no password to agree: we identify the charger by its charge ID, so authentication can stay on "Basic".
What your employer can reimburse — and what they need from you
If you drive a company car in the UK, your employer can reimburse what it costs to charge it at home free of income tax and National Insurance — electricity is not treated as fuel for the car fuel benefit charge, so the exemption in s.239(2) ITEPA 2003 applies. HMRC attaches one condition to it: the employer has to be satisfied that the reimbursement is solely for the company car and not for the household. No particular meter or method is prescribed. ChargeReport reads every session from your Hager charger and turns it into a monthly statement — each session with date, time and kWh, plus monthly totals — which evidences exactly the separation HMRC asks for, in a form payroll can file.
More on the legal side: Company car home charging in the UK: what your employer can reimburse tax-free
Charging in Ireland? The requirement is close to HMRC's, but Revenue also writes the record-keeping duty into its own guidance — and the charge point exemption there covers fully electric cars only. Company car home charging in Ireland
Hager charging and your employer — who pays for the electricity?
Charging a company car at home is paid for by you first: it runs through your domestic electricity contract. Your employer can reimburse that amount without tax or National Insurance, but only for the electricity that went into the company car. That is the whole difficulty — a household meter cannot tell the car from the dishwasher, and an annual bill from your supplier cannot either. This is a different route from the 7p per mile advisory rate, which only ever covers business mileage and needs a mileage log rather than kWh. ChargeReport produces the evidence for the first route from the readings your Hager charger already takes.
Common questions about Hager & ChargeReport
Which Hager chargers work?+
The witty range speaks OCPP — witty one, witty plus, witty pro and witty share. Worth knowing in the UK: Hager's British catalogue lists the witty one, while the larger units are sold in other European markets, so a unit here is most likely a witty one. We do not have a Hager running yet; these instructions come from Hager's own OCPP documentation and are researched rather than tested. Tell us how it went for you and we will sharpen this page.
Do I need a separate meter for HMRC?+
No. The UK prescribes no measuring method. HMRC's condition (EIM23900) is that the employer is satisfied the reimbursement relates solely to the company car — how you show that is left open. Session-level records from the charger itself are one straightforward way.
Do I need a password for the connection?+
No. Hager's interface asks for an identity and a password, but only the identity matters to us: that is where your charge ID goes. We do not check what sits in the password field, so the authentication setting can stay where it is.
My chargers sit behind an XEM520 load manager. What changes?+
They are configured at the load manager rather than one by one, and it holds a separate identity per charge point. Create a connection in ChargeReport for each charge point and enter its charge ID as the identity — otherwise several points report under one name and the sessions run together.
What if a private car charges on the same unit?+
Then the sessions have to be told apart, or you cannot show the reimbursement relates solely to the company car. Using the charger's own authorisation — an RFID card per driver — is the straightforward way, and ChargeReport keeps the resulting sessions separate.
Further reading
If you run a Hager wallbox, these guides are worth a look:
- Company car home charging in the UK: what your employer can reimburse tax-free
- EV charging reimbursement: how it works
Next step
The first report is free. All you need is your number plate and access to your Hager wallbox. Questions about the legal side? Our FAQ section covers the common ones, and the pricing page shows exactly what a report costs.