Charging Infrastructure Planning: Sizing Power for an Electric Forklift Fleet

The fear and the reality

The electric conversion conversation stalls on the same image: a warehouse rewired like a data centre. The reality on most sites is gentler — a handful of outlets at the points where the day already stops, on a supply that usually has headroom, because opportunity charging splits the demand into fragments no single point feels at once. The planning job is to find those points and size them honestly, which is a week of observation, not a consulting project.

Step 1: find the pauses that already exist

Charge points follow the day, not the other way round. Map where trucks naturally stop: shift handovers, meal breaks, staging waits, dock queues, end-of-shift parking. Each pause is a candidate point; the length and frequency of the pauses decide how much charge each returns. The arithmetic of fragments is in the opportunity charging guide — the EP30’s 0-to-80-percent-in-2-hours figure converts a 30-minute break into meaningful range.

Step 2: meter before you size

One metered week settles the electrical question: how many trucks, how many kilowatt-hours per truck per day, and how the demand spreads across the shifts. Add fifteen percent for losses and growth, and the supply conversation with your electrician becomes a number rather than a worry. Sites with an existing meaningful supply — cranes, refrigeration, lighting — usually find forklift charging is a small addition to a conversation the building already had, the same point the ports article makes at larger scale.

Step 3: match the hardware to the platform

Charger-to-battery matching is a specification check, not a shopping decision — voltage, connector and charge profile must match the pack, per the checks in the battery-and-charger guide. On Granvolt trucks the charger recommendation ships with the quotation, per platform, against your shift pattern.

Step 4: placement details that decide adoption

• Distance kills habit. An outlet forty meters from the parking spot is an outlet nobody uses at lunch.
• Protect the point: bollards where traffic crosses, covers where washing happens, and cable routes that do not cross travel lanes.
• Cold and wet corners need equipment rated for them — the cold storage solution carries the低温-specific notes.
• One spare point per zone covers maintenance and the occasional reposition without rewiring the plan.

The first month tells you everything

Run the fleet for a month and read two numbers daily: state of charge at shift start, and any truck that waited on power. The first says whether the points are where the day stops; the second says where the next outlet goes. Fleets that run this loop land on a stable charging map inside a quarter — and the map usually has fewer points than the original proposal and better placement than any desk study would have drawn, which is the quiet lesson of every conversion our engineering team supports from the RFQ onward.

Bringing the electrician in at the right moment

Site electrical work prices and schedules best when the electrician sees a plan rather than a question. Bring three artefacts to that conversation: the truck list with charger specifications from the quotation, the mapped pause points with distances to the nearest supply, and the metered-week demand number with growth margin. With those on the table, the conversation produces a drawing, a price and a schedule in one visit — and the schedule is the quiet reason to involve them early, because electrical trades book weeks out while truck deliveries book in months. Sites that involve the electrician at the plan stage plug in on delivery day; sites that involve them after the trucks arrive learn the real price of sequencing, one idle machine at a time.

What to confirm before the trucks arrive

The plan converts to a punch list the week before delivery: outlets installed and tested at the mapped points, breakers labelled by point, cable routes protected where they cross traffic, platform labels on every point, and a spare outlet per zone logged on the drawing. Photograph the finished installation and file it with the acceptance records — the charging map becomes part of the site’s permanent documentation, the same folder the delivery inspection opens. On delivery day, the first truck plugs into a finished system, its first charging session enters the baseline record, and the infrastructure project ends exactly where it should: unnoticed, at a parking spot that has become a charging point because the day already stopped there.

Frequently asked questions