How Octopus Energy and CATL Plan to Swap Batteries Instead of Charging Trucks Across Europe

Octopus Energy and CATL have partnered to launch Swaptopus, a battery-swap network designed to electrify heavy freight across Europe, Engadget reports.

The operational logic is direct: instead of waiting an hour or longer while a truck's battery charges — even on the fastest DC chargers available — a vehicle pulls into a swap station, gets its depleted battery pack replaced with a fully charged one, and is back on the road within minutes. CATL has already deployed this model at significant scale in China, operating one of the world's largest swap networks. Swaptopus aims to transplant that same architecture to European trucking.

The partnership pairs complementary strengths. CATL is the world's largest battery manufacturer by production volume and holds deep expertise in cell chemistry, pack engineering, and swap-station hardware. Octopus Energy brings relationships with European grid operators, energy retail infrastructure, and — through its Kraken platform — software capable of managing charging and swap assets across multiple countries and regulatory systems. Neither company could quickly build what the other brings to the table.

Heavy trucking is a difficult target for conventional charging infrastructure. Long-haul trucks operate under severe time pressure; every hour spent charging is revenue lost. Megawatt charging systems (MCS) — the industry standard for high-speed DC charging — can deliver over 1 MW of power, but even that takes meaningful time to fully charge a large battery pack. Battery swapping sidesteps this entirely: the truck gets back on the road in minutes, and the charging burden shifts to the station infrastructure rather than the vehicle's schedule. The catch is standardisation: battery packs must fit every truck make and model, which requires either a single dominant manufacturer or cross-industry agreement on physical form and electrical connections. That coordination challenge has not yet been solved at European scale.

CATL's experience in China offers a useful comparison. The company's EVOGO swap system and work with commercial fleets show the model works operationally — but China's market structure made standardisation easier to achieve. CATL has near-monopoly-level relationships with Chinese truck makers. Europe's heavy-truck landscape — Daimler Truck, Volvo, DAF, MAN, Iveco — is far more fragmented. Swaptopus will need to convince these manufacturers to adopt a compatible pack design, which means either CATL's specification becomes an accepted industry standard or the network stays limited to trucks built specifically for it.

Regulation is another factor shaping the opportunity. The EU's ETS 2 carbon pricing system, launching for road transport in 2027, and tightening CO₂ emissions standards for heavy vehicles through the 2030s, are putting economic pressure on fleet operators to electrify. A swap model could change the maths significantly: operators pay per swap rather than owning a depreciating battery asset outright. That shift in ownership and cost structure might make electrification more attractive than conventional charging alone would.

Most European charging investment and policy focus has gone to passenger cars and, more recently, depot-based charging for delivery vans in cities. Long-haul freight has received less attention, partly because the infrastructure investment is enormous and only viable if enough trucks use swap stations to keep them busy. Swaptopus is betting that regulatory pressure and CATL's manufacturing capacity can create a self-reinforcing cycle: more trucks on the network justify more stations; more stations justify wider truck adoption. The critical uncertainty is whether European truck manufacturers will agree on a common battery standard quickly enough to build critical mass. That answer will largely determine whether Swaptopus becomes a genuine pillar of European freight electrification or remains a well-resourced demonstration project.

Octopus Energy's original announcement is available on its blog.