In response to the new US climate law, First Solar will invest up to $1.2bn to increase production of American-made modules for the domestic market by 4.4GW on a direct current basis by 2025.

The investment includes $1bn to build a new 3.5GW vertically integrated manufacturing facility in the US southeast, the Arizona company’s fourth in the region, and at least $185m to expand its existing Ohio footprint by 960MW.