How do you maintain chargepoints and measure their uptime?

Agree who monitors, maintains and repairs your chargers before installation. The public charging rules set a 99% annual reliability requirement across an operator's rapid network, subject to scope and exemptions [S1]. That figure does not establish the service at your individual site. Specify local reporting, repair responsibilities and a safe fault procedure in your contract. Checked October 2026.

Last checked 17 October 2026

How often do EV chargers need maintenance?

Set the schedule using the equipment instructions, use and environment. HSE requires electrical equipment and installations to be maintained to prevent danger so far as reasonably practicable. It identifies inspection, testing and competent maintenance as relevant controls [S3]. This is not a universal annual servicing interval.

Ask your maintenance contractor for a written plan covering the hardware and its electrical supply. Require an explanation of the proposed intervals and the circumstances that trigger an extra visit. Have the plan account for your setting: a sheltered office car park and a busy yard should each be assessed on their actual conditions.

Keep the schedule with commissioning records and contact details. Assign someone at your site to confirm that visits happen and that reported defects are closed. Ask for a visit report recording findings, work completed and any restrictions still in place. A renewal invoice is not the evidence to use for that review.

Does the 99% uptime rule protect your individual site?

The Public Charge Point Regulations define rapid chargepoints as public units of at least 50 kilowatts, or kW. The reliability target is an annual network average. Most requirements exclude micro-business operators; pricing has a different scope [S1]. Ask your solicitor to check applicability to your arrangement.

A network-level result can hide a poor experience at your location. Ask for your own site figures and a fault history before accepting a headline reliability claim. Read the public charging checklist alongside the contract.

For contract discussions, propose a local measure of usable charging time divided by advertised accessible time. Agree what counts as usable and keep an explanation beside the result. Treat this as your management measure, separate from the statutory calculation. Record payment failures and unavailable bays as well as hardware outages so you can see what prevented customers from charging.

Why do EV chargers break or fail to start a session?

Ask the operator to investigate the whole charging journey. Government guidance recognises that operation, software and maintenance can involve different parties, with responsibility resting on the entity controlling the chargepoint’s functioning [S2]. Make that entity clear in your agreement.

Use a fault log that captures the charger identifier, time, customer description and any visible message. Ask the operator to categorise the cause after investigation rather than letting staff guess. Request separate records for a failed start, interrupted session and payment problem. You can then see whether the same fault keeps returning after an apparent repair.

At handover, request an end-to-end demonstration using the intended payment and access methods. Retain the acceptance record and unresolved issues. Include a return-to-service check after repairs so closing a ticket means the relevant function has actually been tested.

Who should maintain your chargers and answer drivers?

Under the in-scope public rules, a free staffed telephone helpline must operate around the clock and its number must be displayed prominently on or near the charger [S1]. Agree how that service connects with your site team.

For the commercial agreement, use a responsibility table like this proposed schedule:

Compare this schedule across fully funded, part funded and self funded offers. Ask for the actual allocation in each proposal. Keep ownership of equipment and responsibility for day-to-day operation clearly recorded.

How long should a charger repair take?

Request separate commitments for acknowledging a report, remote investigation, attendance and restoration. Do not accept a response-time heading without reading the action it describes. Ask whether the clock runs outside normal working hours and which events can pause it. These are proposed contract questions, not quoted market service levels.

Have your solicitor review remedies for repeated faults, prolonged outages and an operator that cannot continue. Discuss access to records, transfer arrangements and removal obligations. If changing the operating system matters, read charging software protocols before procurement.

For budgeting, request planned service charges and separately identify labour, parts, communications and payment support. Ask how damage and emergency visits are priced. This guide does not quote a universal annual maintenance cost because no applicable official tariff was verified.

What should you do when a charger fails?

HSE advises taking damaged or apparently faulty electrical equipment out of use and having it checked by a competent person [S3]. Give staff site-specific instructions agreed with your contractor. Do not ask them to open electrical enclosures or improvise a reset procedure.

For customer service, record the incident reference, tell the operator about any hazard and update the customer-facing availability information through the agreed process. Keep an escalation contact available when your usual site manager is away. Review recurring incidents at contract meetings and request corrective actions with an owner and completion evidence.

What should you do next?

Bring your proposed operating hours and service requirements when you get matched with an installer that covers your area. Request the maintenance scope with the quote.

Piggy Pineapple Ltd operates this referral service. We refer enquiries to installer partners and may be paid a fee. Our owner holds shares in at least one partner. Before sharing your details, we name the proposed partner and disclose whether our owner holds shares in it. Read how we work.