Micron announces plans for a second memory-manufacturing plant in Boise
Micron plans to expand its investments in Idaho, New York state and Virginia to $200 billion, the memory-chip manufacturer announced Thursday.
That includes an additional $30 billion to build a second “leading-edge” fab (industry shorthand for semiconductor-fabrication factory) in Boise and expand an existing manufacturing plant in Manassas, Virginia.
The company said it also aims to bring advanced packaging capabilities — processes that combine multiple semiconductor chips into a single electronic device — to the U.S. for high bandwidth memory, which is essential to the artificial intelligence market.
Micron’s broader vision includes up to four high-volume fabs in New York state.
The company already planned to build the largest semiconductor plant in U.S. history, what it dubbed a “megafab,” in Clay, New York, a suburb of Syracuse. The $100 billion plant, on track to break ground in November, would dwarf the $15 billion fab nearing completion at Micron’s headquarters campus in Southeast Boise.
The Boise fab is scheduled to begin production in 2027.
“This approximately $200 billion investment will reinforce America’s technological leadership, create tens of thousands of American jobs across the semiconductor ecosystem and secure a domestic supply of semiconductors — critical to economic and national security,” Micron CEO Sanjay Mehrotra said in a news release. “We are grateful for the support from President Trump … .”
A spokesperson for Micron declined to answer a question about how much of the increased investment will go toward the second Boise fab, and whether that fab would be built at Micron’s campus off South Federal Way.
This story was originally published June 12, 2025 at 8:25 AM.
