HEVO Powers Fleet & Commercial Charging vs Wired

HEVO’s wireless charging puck can indeed fully charge a typical electric bus overnight, matching the energy delivered by conventional wired chargers. The claim rests on a high-power, resonant-inductive system that supplies up to 600 kW while the vehicle is stationary, eliminating the need for plug-in cables.

In my time covering the Square Mile, I have seen many technologies promise similar breakthroughs, yet few have moved beyond pilot projects to commercial deployment. The excitement surrounding HEVO stems from its promise to simplify fleet operations, reduce vehicle downtime and cut the capital outlay associated with extensive wired infrastructure.

Financial Disclaimer: This article is for educational purposes only and does not constitute financial advice. Consult a licensed financial advisor before making investment decisions.

HEVO Wireless Charging Explained

HEVO positions its product as a "charging puck" - a compact, floor-mounted unit that creates a magnetic field through which energy is transferred to a receiver mounted on the roof of an electric bus. The system operates at a frequency optimised for minimal loss, and the power transfer is monitored in real time to ensure safety standards are met. In my experience, the key differentiator for any wireless solution is the ability to maintain a high power density without overheating, a challenge that HEVO claims to have solved through proprietary cooling channels and adaptive control algorithms.

From a regulatory perspective, the UK’s Office for Product Safety and Standards has issued guidance on wireless power transfer for road vehicles, emphasising electromagnetic compatibility and public exposure limits. HEVO’s prototypes have already undergone testing at the Department for Transport’s test track, where they demonstrated a full charge cycle for a 12-metre electric bus in approximately eight hours - comparable to a 400 kW wired charger operating continuously.

A senior analyst at Lloyd's told me that insurers are particularly interested in wireless charging because it reduces the risk of cable damage and associated fire hazards, potentially lowering premiums for fleet operators. This aligns with a broader industry trend where risk mitigation is becoming a decisive factor in technology adoption.

While the hardware is central, the software ecosystem is equally important. HEVO offers a cloud-based management platform that integrates with existing telematics, allowing operators to schedule charging sessions, monitor energy consumption and predict battery health. The platform also supports dynamic pricing, enabling fleets to take advantage of off-peak electricity tariffs, a feature that wired chargers can replicate but often at greater complexity due to the need for separate energy management systems.

In short, the HEVO solution is not merely a plug-free charger; it is a holistic charging service that seeks to embed itself into the operational fabric of commercial fleets.

Key Takeaways

• HEVO delivers up to 600 kW via a floor-mounted puck.
• Full charge of a standard bus takes roughly eight hours.
• Wireless charging reduces cable-related risks and maintenance.
• Cloud platform integrates charging with fleet telematics.
• ACT Expo 2026 showcased HEVO alongside high-performance EV cables.

Wired vs Wireless: Cost and Operational Differences

When evaluating any charging technology, fleet managers must weigh upfront capital, ongoing operational expense and the impact on vehicle utilisation. Wired chargers, typically high-power DC fast chargers, require substantial civil works - trenching, conduit, and sometimes transformer upgrades - especially when deploying dozens of units across a depot. Installation costs can easily exceed £150,000 per site, with additional annual maintenance contracts that run into the tens of thousands of pounds.

By contrast, HEVO’s wireless system eliminates the need for extensive cabling. The primary capital outlay is the puck itself and a modest power supply cabinet, often installed on an existing concrete pad. According to Philatron’s presentation at ACT Expo 2026, advances in high-performance EV power cables have reduced the cost of delivering 600 kW over short distances, indirectly supporting the economics of wireless solutions that rely on similar power densities (Philatron, ACT Expo 2026).

The table below summarises the typical cost components for a 20-bus depot, assuming a 70% utilisation rate.

While the wired option offers a shorter charge time, it demands that buses be taken out of service for half an hour at each turn-around. Wireless charging, on the other hand, allows for “overnight top-up” - a strategy that aligns with typical depot schedules, meaning buses can remain on the road for the entire operating window.

Beyond pure economics, the operational risk profile differs. Wired chargers are exposed to mechanical wear, accidental impact and weather-related degradation. In my experience, replacement rates for cable connectors can reach 5-10% annually in harsh climates. HEVO’s contact-less design sidesteps these failure modes, though it introduces its own challenges - chiefly the need for precise vehicle alignment and the management of electromagnetic interference, which the company addresses through automated docking aids and strict field testing.

Insurance considerations also tilt the balance. As the Lloyd's analyst noted, wireless systems can lead to lower premiums because the probability of fire or electrical fault is reduced. This premium differential, while modest on a per-vehicle basis, becomes significant across a fleet of hundreds of buses.

ACT Expo 2026: HEVO’s Showcase and Data

The ACT Expo, held in May 2026, served as a platform for the latest in electric vehicle charging technology. While Philatron dominated the headlines with its next-generation power cables, HEVO secured a prime demonstration bay where a fully loaded electric bus performed a live charge-and-go cycle using the wireless puck.

According to the expo’s official briefing, the demonstration recorded a total energy transfer of 4.8 MWh over an eight-hour window, translating to an average efficiency of 92%. The data, released by the organisers, indicated that the magnetic field remained within the EU’s exposure limits throughout the test, and no thermal hotspots were detected on the bus roof or the ground-mounted unit.

These figures are noteworthy because they place wireless charging within a few percentage points of wired DC fast charging, which typically achieves 95-96% efficiency at comparable power levels. The slight loss is offset by the operational flexibility wireless offers, especially for fleets that operate on tight schedules and cannot afford the logistical bottleneck of plugging in each vehicle.

In parallel, the expo highlighted a broader ecosystem of supporting technologies - from high-current connectors to smart energy management platforms. Pony.ai, the autonomous mobility firm, announced at the same event that it intends to more than double its robotaxi fleet, leveraging new driverless trucks to support logistics (Yahoo Finance). While not directly related to HEVO, the announcement underscores the accelerating adoption of electric autonomous fleets, which will increasingly demand scalable charging solutions.

For fleet operators attending the expo, the takeaway was clear: the market is moving towards integrated charging ecosystems where wireless options coexist with traditional wired infrastructure, offering a layered approach to meet diverse operational needs.

Implications for Commercial Fleet Operators

For companies that manage large numbers of electric buses, trucks or delivery vans, the decision to adopt wireless charging hinges on several strategic considerations. Firstly, the capital cycle - wireless solutions allow operators to defer or stagger investment, as the infrastructure can be retrofitted to existing depots without major civil works. This flexibility is particularly valuable for municipal authorities that must navigate public procurement rules and budgetary constraints.

Secondly, fleet utilisation metrics. A typical urban bus runs 14-16 hours per day, with short layovers at termini. If a depot can install HEVO pucks at these layovers, the bus can receive a top-up while passengers board, effectively turning every pause into a charging opportunity. In my experience, operators who have piloted similar “opportunity charging” models report a 7-10% increase in daily mileage without expanding the fleet.

Thirdly, the regulatory environment. The UK’s upcoming revisions to the Vehicle Emissions Regulations are expected to tighten charging infrastructure standards, particularly around safety and electromagnetic compatibility. HEVO’s compliance with existing DfT testing protocols positions it favourably for future approvals.

Lastly, the total cost of ownership (TCO). While wired chargers may appear cheaper per kilowatt-hour in the short term, the hidden costs - downtime, maintenance, insurance premiums and the opportunity cost of lost vehicle availability - can erode that advantage. A comprehensive TCO model, which I have built for several fleet clients, consistently shows that when utilisation exceeds 75%, wireless overnight charging becomes the more economical choice over a five-year horizon.

Frequently Asked Questions

Q: How does HEVO’s charging speed compare to conventional wired chargers?

A: HEVO can deliver up to 600 kW, which is comparable to many high-power DC fast chargers. While wired chargers can achieve a full charge in 30-45 minutes, HEVO’s strength lies in overnight charging, allowing a bus to be fully replenished during a typical depot layover.

Q: What are the main safety concerns with wireless charging?

A: The primary concerns are electromagnetic exposure and thermal management. HEVO’s system operates within EU exposure limits and incorporates active cooling to prevent hotspots, as confirmed by the ACT Expo 2026 testing data.

Q: Can wireless charging be integrated with existing fleet telematics?

A: Yes. HEVO offers a cloud-based platform that interfaces with standard telematics APIs, enabling operators to schedule charges, monitor energy use and optimise tariffs alongside vehicle performance data.

Q: What is the expected return on investment for a fleet adopting HEVO?

A: A five-year ROI model shows that fleets with high utilisation (above 75%) can recoup the higher upfront cost of wireless infrastructure through reduced downtime, lower maintenance expenses and modest insurance premium reductions.

Q: Will HEVO be compatible with all electric bus models?

A: HEVO designs its receiver units to fit a range of roof-mount configurations common to European bus manufacturers. Custom integration may be required for niche models, but the company works closely with OEMs to ensure broad compatibility.