US Electric Ship Innovator Aims For Global Impact

Source: cleantechnica
Author: @cleantechnica
Published: 1/17/2026
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Read original articleThe article highlights the Texas-based startup Fleetzero, which recently secured $43 million in Series A funding to advance its innovative electric ship technology aimed at decarbonizing maritime transport. Unlike traditional efforts that focus on electrifying large, fast cargo vessels, Fleetzero targets smaller ships operating at slower speeds over shorter distances. This approach enables the use of battery swapping systems housed in standard shipping containers, allowing rapid battery changes with existing port equipment. The smaller batteries free up cargo space, and the ability to use smaller ports closer to final destinations reduces last-mile ground transportation costs. Fleetzero’s Leviathan™ propulsion system can be integrated into new or existing ships in hybrid or all-electric configurations, promising lower total ownership costs through fuel and maintenance savings.
The new funding will support Fleetzero’s expansion, including opening a manufacturing and research facility in Houston, Texas, with an initial production capacity of 300 MWh/year of marine energy storage systems, aiming to scale up to 3 GWh/year
Tags
energyelectric-shipsbattery-swappingfleet-electrificationmaritime-technologyclean-energydecarbonization