Global Infrastructure Sherpa

Tigo Energy Delivers US-Made Optimizers to EG4 Electronics for Domestic Goods

Type: Supply Agreement · Technology: Solar · Country: United States · Announced: 2026-05-19

Tigo Energy has announced the delivery of its first shipment of module-level power electronics (MLPE) to EG4 Electronics under a supply agreement. The shipment includes TS4-A-O optimizers and Cloud Connect Advanced (CCA) data-logging devices, assembled at an SVI manufacturing facility in Vancouver, Washington. These Tigo products will be integrated into and bundled with American-made EG4 inverters, with the completed systems qualifying for Section 45X manufacturing tax credits and the 10 percent domestic content bonus for the Section 48E tax credit. EG4 Electronics' parent company, Energy Access Innovations, also operates a 310,000 square-foot facility in Commerce, Texas, where it manufactures EG4 products, including solar inverters and batteries utilizing domestically-manufactured cells from LG Energy Solution in Holland, Michigan.

Analysis

Tigo Energy has delivered its first shipment of module-level power electronics (MLPE) to EG4 Electronics, including TS4-A-O optimizers and Cloud Connect Advanced (CCA) data-logging devices, assembled at an SVI manufacturing facility in Vancouver, Washington. The shipment is part of a supply agreement between Tigo Energy and EG4 Electronics, a subsidiary of Energy Access Innovations, which operates a 310,000 square-foot facility in Commerce, Texas. The completed systems will qualify for Section 45X manufacturing tax credits and the 10 percent domestic content bonus for the Section 48E tax credit. The deal was announced on 2026-05-19, and the Tigo products will be integrated into and bundled with American-made EG4 inverters. The inverters are manufactured using domestically-manufactured cells from LG Energy Solution in Holland, Michigan.

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