A battery startup abandoned a $264 million Kentucky factory because China had the skills it needed

Kentucky’s loss becomes China’s launch

Kentucky lost a planned $264 million battery factory; in September 2026, EnerVenue began production in China instead. That shift puts a U.S. manufacturing promise under scrutiny.

Chief executive Henning Rath says Changzhou offered the engineers and suppliers needed to build a new production line. The case shows why attracting battery investment takes more than a building.

A million-square-foot Kentucky plan

In 2023, EnerVenue chose Shelby County, Kentucky, for a factory. Phase 1 called for $264 million and a building covering 1 million square feet on 73 acres.

The site was slated to make batteries for power grids, with manufacturing and testing under one roof. A local development official called it Shelby County’s largest planned building.

The jobs and incentives at stake

Kentucky projected 450 full-time factory jobs from EnerVenue’s first phase. For Shelby County families, that could have meant work close to home.

The state offered up to $10.3 million in tax incentives over 15 years, tied to hiring, investment, and wage targets. The company would have had to meet those targets before claiming the credits.

The battery was not ready

The 2023 plan ran ahead of the product. In 2024, EnerVenue said it would develop a new fourth-generation battery rather than scale up an earlier version.

That decision pushed back manufacturing beyond the Shelbyville building’s schedule. EnerVenue declined to take ownership, and its CEO later said both the battery and factory process had to be redesigned.

Little-known fact: NASA first used nickel-hydrogen batteries on the Hubble Space Telescope in 1990. The same type powered the International Space Station for more than 18 years.

Another battery maker took the site

Another company took over the proposed site. Canadian Solar’s e-STORAGE announced a $712 million battery manufacturing project at the same Shelbyville address in November 2024.

It projected 1,572 jobs, but those remained targets, not completed hires. In March 2026, Canadian Solar said it was delaying progress there while focusing on U.S. and Southeast Asian plants.

These batteries do not power cars

EnerVenue makes nickel-hydrogen batteries for stationary storage, not electric cars. Its cells use a water-based liquid electrolyte and contain no lithium, offering another way to store solar power.

That distinction helps explain the factory challenge. A new chemistry needs its own machines, tests, and workers trained to make the same cell reliably day after day.

Little-known fact: EnerVenue says each cell passes 41 quality checks at 11 stations before leaving its Changzhou plant.

Changzhou had the needed specialists

Changzhou offered a network of specialized battery suppliers. EnerVenue says about 160 battery industry companies operate there, with a deep supply chain within roughly 60 miles of its plant.

Rath pointed to local specialists in hydraulics, pneumatics, and automation. When engineers need to adjust a custom machine, nearby suppliers can shorten the costly trial-and-error process.

The cheaper plant needs context

Rath gave a $20 million to $50 million range for Changzhou’s cost, while declining to name a final figure. Kentucky’s $264 million was a planned first phase.

The numbers cover different designs and stages, so they are not directly comparable. Rath said China made it possible to prove production at scale with the capital available.

Robots still need a workforce

Rath says Changzhou’s factory is 95% automated, yet expects about 400 employees by the end of 2026. Robots carry cells between stations while people operate and check the line.

Automation still requires skilled workers. Engineers and technicians must keep these custom machines running smoothly and catch defects before finished batteries leave the plant for customers.

New funding crossed the Pacific

In March 2026, EnerVenue announced a $300 million financing extension led by Full Vision Capital. The funds support its Changzhou factory and plans for wider sales.

The company conducts research and development in Fremont, California. The investment takes an invention from California labs to Chinese factories, showing financing can shift where manufacturing jobs are created.

A bus depot supplied an early test

Before the new line, a smaller real-world battery test began in China. At a Towngas bus charging station in Jintan, 50 EnerVenue cells store 150 kilowatt-hours.

The site pairs batteries with solar generation and cycles them every day. That gives EnerVenue operating data from a real customer before it ships much larger commercial systems.

The first major order is signed

In September 2026, EnerVenue signed its first large commercial order: 26 battery containers totaling 11 megawatt-hours. They are intended for a northern Chinese oilfield with solar panels.

The first 3 units are due to ship in December 2026, with 23 more in March 2027. The order is a milestone, but shipments and performance still lie ahead.

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A U.S. return is still uncertain

EnerVenue aims to build factories in North America, Europe, and the Middle East from 2028. It plans to select sites in 2027, with no U.S. location set yet.

Rath says rules will shape the choice. It remains unclear whether cells made in China qualify for U.S. tax credits under 2025 restrictions on Chinese content and ownership.

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What would most help bring battery factories to the U.S.: skilled workers, nearby suppliers, or lower costs? Share your view in the comments.

This slideshow was made with AI assistance and human editing.

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