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Why Every Plant Expansion Right Now Is a Bet on Reshoring That Hasn't Fully Won

Seven major manufacturers announced new US factory capacity in Q1 2026. None are operating at target throughput yet. The real story: why these expansions are running ahead of actual demand, and what it means for your supply chain this year.

Jordan SatoMay 27, 20263 min read
Why Every Plant Expansion Right Now Is a Bet on Reshoring That Hasn't Fully Won

I spent last month inside a spanking new fabrication facility in the Midwest that cost $340 million to build. The machines were six months into commissioning. The plant was running at roughly 62 percent of design capacity. The operations director I met with was not panicked, but he was honest: they built this factory because they believed a certain future would materialize. That future is not here yet, and it is not guaranteed to arrive on schedule.

This is the actual story behind the plant expansion wave we are watching roll across US manufacturing right now. When you read that Company X is opening a new 400,000-square-foot facility or that Company Y is investing $500 million to double domestic output, you are reading the end result of a calculation made two to three years ago. That calculation assumed: reshoring would accelerate; supply chain fragility would drive nearshoring decisions; tariffs would remain elevated; logistics costs would stay high; customer contracts would lock in volume commitments. Some of those assumptions have held. Others have not.

The expansion announcements peaked in Q3 and Q4 of 2025. We are now seeing the operational reality of those commitments. And the reality is messier than the press releases.

The most concrete number I have seen is this: of the 23 major manufacturing expansions announced in the US since the start of 2024, only 7 are currently running above 70 percent of nameplate capacity. The rest are still ramping. Some are behind schedule. A few are facing reduced order books from customers who either found alternate suppliers during the wait or did not actually need the added volume. One automotive tier-one supplier in Kentucky brought a new 250,000-unit-per-year stamping facility online in February. As of April, they had locked in purchase commitments for 156,000 units. That is not a disaster. It is not a win either.

What matters for you, sitting in operations right now, is this: the supply chain is about to get crowded with new capacity that is hunting for utilization. That means two things happen simultaneously. First, you will see genuine improvements in lead times and delivery reliability as distributed capacity comes online and regional suppliers can actually serve regional demand. Second, you will watch suppliers get aggressive on pricing to fill new factories. The margin compression is coming. I have already heard it from three captive parts suppliers who built new lines and are now discounting to keep their equipment running.

The reshoring thesis is not wrong. But it is arriving differently than advertised. Capacity is getting built faster than demand is consolidating around it. That creates a window, maybe 18 to 24 months, where you have unusual negotiating leverage on supply agreements. It also creates real risk if you need to suddenly expand your own volume; the surge capacity that seemed abundant in 2024 is now allocated or spoken for.

The second-order effect is what keeps me watching: labor. Every one of these new facilities needed hiring. Some plants in the Great Lakes region, the Mid-South, and Texas have brought on 40, 50, sometimes 60 percent of their target workforce in the last 18 months. Ramp-up productivity in these plants will determine whether the reshoring equation actually works. Early data suggests productivity is tracking below historical baselines by about 12 to 15 percent. That is not anomalous for new facilities. It is something to watch.

The expansion wave was a structural bet on US manufacturing mattering more. That bet is in progress. The execution is not yet certain. When you negotiate your next supply agreement, remember that your supplier is operating a new line that was built on faith. That changes the conversation.

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Jordan Sato

Robotics researcher turned journalist. PhD in computer science from Stanford.

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