March 12 (Reuters) - It will take some time until

production at Tesla's German gigafactory near Berlin

will fully resume, plant head Andre Thierig said late on Monday.

"It will certainly take some time until we have fully

resumed production, but the most important step has been taken,"

Thierig said.

On Monday the power firm in charge of fixing a week-long

outage said the factory had been reconnected to the electricity

grid.