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SEL Announces Expansion Projects in Idaho and North Carolina
October 28, 2025 | SELEstimated reading time: 1 minute
Schweitzer Engineering Laboratories (SEL) is adding 370,000 square feet of new and expanded facilities to locations in Moscow and Boise, Idaho, and Charlotte, North Carolina. These investments are part of a long-term strategic plan and reflect continued growth and a commitment to serving customers worldwide.
Over the next two years, SEL plans to invest approximately $90 million across three major capital projects:
Moscow, Idaho — SEL will construct a 150,000-square-foot electronic device manufacturing facility on its Schwartz Campus on South Main Street. Located next to its printed circuit board factory, the $50 million state-of-the-art facility will significantly enhance manufacturing capabilities. Completion is expected in 2027.
Boise, Idaho — SEL will expand to accommodate its growing team with a $25 million investment, including the purchase and remodel of a 170,000-square-foot building. This expansion, expected to be completed in 2026, will support continued innovation and growth in the region.
Charlotte, North Carolina — SEL will build a 50,000-square-foot office building adjacent to its current facility at 901 Center Park Drive. The $15 million expansion will support the growth of its panels and enclosures manufacturing operations and is scheduled for completion in 2027.
“Despite the recent economic and political volatility related to trade and tariffs, we remain optimistic about the future,” said SEL Founder Edmund O. Schweitzer, III. “Our teams have been making adjustments to our existing spaces to increase capacity, but we are at a point where larger capital investments are needed to continue inventing, designing and building products to meet the needs of our customers.”
According to Dr. Schweitzer, SEL evaluates where to grow based on a number of factors, including analysis from the SEL Index of Freedom—an annual ranking that assesses the 50 U.S. states based on government efficiency, regulatory freedom and energy resiliency. These are three pillars the company considers essential for a thriving business environment.
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