From the article in SEJeff's comment: >The two companies hope to ramp up production at Gigafactory 2 to reach a capacity of 1 to 2 gigawatts of solar products.

From the article in SEJeff's comment: >The two companies hope to ramp up production at Gigafactory 2 to reach a capacity of 1 to 2 gigawatts of solar products. They currently have “roughly 500 employees” at the plant and the hiring process is ongoing, according to Tesla.