Solyndra Inc., the high-flying solar panel maker once touted by President Barack Obama as a model for a green energy future, said Wednesday it has scuttled its factory expansion in Fremont, a move that will stop the company’s plans to hire 1,000 workers.

Solyndra said it will also close an existing factory in the East Bay. That will leave the company with one Fremont factory, a new plant visible from Interstate 880.

The moves mean that instead of having 2,000 workers in Fremont, Solyndra will cap its work force at 1,000, which is about the current level. Solyndra also will, over the next several weeks, eliminate 155 to 175 jobs in Fremont. That includes 135 contract employees and 20 to 40 full-time workers, said David Miller, a Solyndra spokesman.