Supplement: Power
often required for charger OEMs. And because APIs make integration faster, maintenance easier, and operations more flexible, it delivers clear value to both OEMs and charging operators.
What role do you see megawatt charging playing in the future of Megawatt charging is going to be a key enabler for heavy-duty transportation. For a start, it will enable long-haul electric trucks. Current DC fast charging (up to 480 kW) needs to be boosted for heavy-duty trucks that typically need 400–1,000+ kWh per charge in less than an hour.
With megawatt-class charging (MCS, ~1–3 MW), a truck could recharge during a mandatory driver rest break (≈30–45 minutes), making long-haul electrification entirely within reach.
It’s important to remember that we’re often dealing with more than just a single truck. Bus and truck depots typically need to charge dozens of vehicles overnight or between shifts. To reduce total cost of ownership and make more efficient use of grid capacity, the practical solution
will be a combination of megawatt charging and today’s fast charging speeds. As a result, chargers are becoming increasingly flexible, dynamically adjusting power delivery based on the vehicle’s needs, usage patterns, and available grid capacity.
There are many other considerations, but the direct answer is that megawatt charging makes long-haul routes viable, reduces downtime,
How does this launch tie into LEM’s wider goals in energy and
LEM RDU
improves fleet economics, and ensures heavy transport can meet environmental sustainability goals.
Are there applications for these Absolutely. Although The DCES600 and DCES1500 meters are optimised for fast-charging, it’s their high-accuracy, high-current DC metering capabilities that make them useful in other applications. For
example, renewable energy and energy storage systems can make great use of our meters to know precisely what they have. The same is true of solar farms. Their bidirectional energy measurement enables any kind of usage in DC systems. Fundamentally, wherever there’s a high-current DC energy flow that requires accurate kWh measurement for billing, or monitoring, these meters will benefit the user. They are not just for EV charging.
The launch of the DCES600 and DCES1500 meters aligns closely with LEM’s broader strategic goals in energy and mobility by supporting the electrification of transport. Our long-term focus on enabling the transition to electric mobility, particularly in heavy-duty and commercial transport directly addresses a critical bottleneck that has hampered the roll-out of a fast megawatt EV charging infrastructure. These meters change all that and will accelerate adoption of electric trucks, buses, and their respective fleets, while enabling more flexible charging systems, which are central to decarbonizing transport.
The DCES600 and DCES1500 launch represent our corporate commitment to electrification, energy efficiency, smart mobility, and secure, legally compliant solutions that support both the EV transition and our wider global energy ecosystem.
https://www.lem.com/en/dces
In addition to the regular users of the CIE website we get 12,500 new users every year across the globe from Japan to the USA, from China to Germany and many more.
Want to be part of the action? Then contact: Tony Patman | 01622 687031 |
tpatman@cieonline.co.uk www.cieonline.co.uk Jordan Tait | 01622 699 139 |
jtait@cieonline.co.uk Components in Electronics December/January 2026 37
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