Amkor Technology Peoria Innovation Core campus
Peoria, AZ. Packaging and test.
Amkor Technology, headquartered in Tempe, AZ
Arizona Advanced Packaging and Test Campus (Phases 1 and 2)
Greenfield advanced packaging and test campus on 170 acres in Peoria; Phase 2 announced Sept 2026 raises planned total investment to about $12 billion.
- Investment
- $12B
- Jobs
- not stated
- Announced
- not stated
- Target
- 2028
- Type
- Packaging and test
- Process or product
- Advanced packaging and test (wafer bump, probe, assembly, test)
- Wafer size
- not stated
- CHIPS Act funding
- $407M (final award)
Timeline
- Expansion
Amkor announced Phase 2, adding about 60,000 square meters of cleanroom (about 93,000 total) and raising planned investment to about $12 billion; Phase 2 construction to start late 2027 and finish by end of 2029.
Amkor Technology (investor relations, Business Wire release) - Expansion
Amkor secured an additional adjacent 67-acre parcel in Peoria's Innovation Core.
anysilicon.com - Groundbreaking
Amkor broke ground in Peoria and expanded the planned investment to $7 billion, with first facility completion expected mid-2027 and production early 2028.
Arizona Commerce Authority - Update
Amkor relocated the planned facility within Peoria from the 56-acre Five North site to a 104-acre parcel after the city won a state trust land auction.
ktar.com - Funding
Commerce finalized up to $407 million in CHIPS direct funding for the Peoria facility; Amkor declined the $200 million loan portion.
abc15.com - Funding
Amkor signed a preliminary memorandum of terms for up to $600 million in federal CHIPS funding, per the City of Peoria timeline.
City of Peoria, AZ - Announced
Peoria City Council unanimously approved the development agreement for a $2 billion Amkor packaging and test campus at Five North at Vistancia.
City of Peoria, AZ
Sources (6)
- Amkor Technology Announces Phase 2 of Arizona Advanced Packaging and Test Campus; Expands Investment to $12 Billion Amkor Technology (investor relations, Business Wire release), Sep 8, 2026
- Amkor Technology Announces Phase 2 of Arizona Advanced Packaging and Test Campus; Expands Investment to $12 Billion Greater Phoenix Economic Council, Sep 8, 2026
- Amkor Technology breaks ground on new semiconductor advanced packaging and test campus in Peoria, expands investment to $7 billion Arizona Commerce Authority, Oct 6, 2025
- Biden-Harris Administration announces CHIPS incentives award with Amkor NIST / U.S. Department of Commerce, Dec 20, 2024
- Amkor to build $2 billion semiconductor testing campus in Peoria KJZZ, Feb 22, 2024
- Amkor Technology project page City of Peoria, AZ
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Figures are what the company or an agency announced. "Not stated" means no source gives a number for this site. A status is only as current as its "as of" date.