The five hidden bottlenecks in logistics estate electrification.

Bottleneck 1 — Grid capacity

Many estates can physically accommodate charging equipment in the yard but lack the upstream electrical capacity to power it at scale. A site may have room for twenty charging bays and supply for only four.

This is a design-intent problem, not a physical-space problem. Yard footprint is almost always available. Electrical supply behind the fence is almost always the binding constraint. The failure mode is the same across cases: an estate that looks ready on the ground, discovers on the electricians' report that only a fraction of the intended fleet can actually be powered from the existing connection.

Bottleneck 2 — Transformer loading

The transformer, not the charger, is very often the true limiting factor. Existing transformers were sized for lighting, HVAC, refrigeration and material handling loads — not for the sustained, high-amperage draw of multiple heavy vehicle chargers operating in parallel.

Establishing actual transformer headroom, rather than assuming it exists, is the single most consequential step in any readiness assessment. The nameplate capacity of a transformer is not the same as its spare capacity — and neither number tells you what happens under the sustained peak draw of an EV charging fleet in the same window a warehouse's HVAC and refrigeration systems are also drawing power.

Practical response: commission an actual load study before making any tenant commitment. The gap between assumed and measured headroom is often material.

Bottleneck 3 — Charging demand peaks

A simple charger count understates the real challenge. If twenty trucks return from deliveries within the same one-hour window and plug in simultaneously, peak demand can spike dramatically above the site's average load — even if the total daily energy consumption looks manageable on paper.

Peak demand, not average demand, is what strains electrical infrastructure and drives upgrade costs. A depot returning trucks at 6 pm has a very different demand profile than one where returns are staggered across a shift change window. Fleet operators generally do not want to stagger their operations for the estate's convenience; the estate has to design for the worst reasonable case.

Two responses matter: (a) model realistic peak demand scenarios during the design phase, and (b) plan for smart charging and BESS to shave those peaks — rather than sizing the transformer for peaks that could otherwise be smoothed.

Bottleneck 4 — Tenant competition

In multi-tenant estates, several occupiers may pursue electrification independently, each assuming they have first claim on available capacity. Without a clear allocation framework, this becomes a source of tension between tenants — and a source of risk for the owner, who is left arbitrating competing demands on a finite resource.

The failure mode: the first tenant electrifies aggressively and consumes headroom that later tenants also expected access to. The last tenant to try to electrify discovers the constraint after leasing terms are signed and expectations are set.

Response: formalise a capacity allocation framework before the first EV fleet lands. Even a simple registration system that says "this tenant has reserved this many kVA" prevents the collision.

Bottleneck 5 — Future expansion

A site that comfortably supports ten electric trucks today may struggle significantly at fifty, if the underlying electrical infrastructure was sized only for the initial pilot.

Planning for the end-state fleet size — even if it is deployed in stages — avoids a costly second round of civil and electrical works. The economics of laying the cables and provisioning the transformer capacity once, at the outset, are almost always better than the economics of doing it twice.

The pattern across all five

Industry reports and operator interviews consistently point to the same conclusion: charging infrastructure and available power, not vehicle supply or driver readiness, are the most frequently cited barriers to scaling heavy fleet electrification. Property owners who address the power question early remove the single largest obstacle their tenants face.

Sources. Framework and case observations: EVhubs 2026 Logistics Estate Fleet Electrification Readiness Index. Regulatory references — HVZES and EHVCG — sourced from the Land Transport Authority's published guidance. Standards references relevant to transformer, switchgear and fire-code planning are covered in the technical architecture — see EVhubs technical architecture.