SEG Solar is accelerating its US manufacturing footprint with plans for a third solar panel assembly facility in Texas. The new plant will add 4.6 GW of annual capacity, pushing the company's total domestic module production to 10.6 GW. It currently operates a 2-GW facility in Houston and is about to open a 4-GW plant in Tomball this August.

This expansion comes as solar panel prices have fallen sharply over the past two decades, driven by efficiency gains and high R&D investment. Governments worldwide are pushing to diversify energy mixes and cut emissions, fueling demand for large-scale solar projects. Most major solar developments now produce hundreds of megawatts of clean power.

The Texas buildout reflects a broader industrial strategy to localize supply chains and capture growing US solar demand. SEG's three facilities will together cover a significant share of domestic installation needs. The company did not disclose the project's timeline or capital expenditure.

Geopolitically, the move strengthens US energy independence by reducing reliance on imported panels, many of which come from China. It also aligns with federal incentives aimed at onshoring clean energy manufacturing. However, adding 10.6 GW of module capacity could test the market's ability to absorb such rapid supply growth.

Critics argue that massive factory buildouts risk oversupply if installation rates don't keep pace, potentially squeezing margins for manufacturers and developers alike. The success of these investments hinges on sustained policy support and grid integration improvements.