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Preparatory work: Trees will be cleared in February for the plant in Grünheide
Photo: Jörg Carstensen / dpa
Tesla also wants to make the planned plant of the electric car manufacturer in Grünheide near Berlin the world's largest battery factory.
The company boss Elon Musk announced via video at a conference organized by the Federal Ministry of Economics.
A building application for the other facility is still pending.
"The approval authority has not yet received a corresponding application," said a spokeswoman for the Brandenburg Environment Ministry to the "Handelsblatt".
The responsible state environmental agency has not yet issued a final building permit for the car plant.
The US group is currently building on the basis of preliminary partial permits.
Tesla car factory is slated to open next year.
In the first production on European soil, 500,000 vehicles of the model 3 and SUVs of the model Y are expected to roll off the assembly line.
Musk announced at the conference that he was also planning to build a battery factory in Grünheide with a capacity of around one hundred gigawatt hours.
Production could later be expanded to 250 gigawatt hours.
He was "pretty confident that it would be the largest battery factory in the world," said Musk.
Hope for 10,000 jobs
The President of the Association of the Automotive Industry (VDA), Hildegard Müller, spoke of "strong news" for Germany as an automotive location.
With the support of Federal Minister of Economics Peter Altmaier (CDU), the largest battery factory in the world is being built.
"We welcome the project to manufacture the most environmentally friendly battery cells in Germany. This will create 10,000 jobs."
So far, Tesla has produced batteries in Nevada, while the majority of the vehicles are built at the parent plant in Fremont, California.
Last year the automaker also opened a plant in China.
The production of batteries for electric vehicles is currently dominated by Chinese, Japanese and South Korean companies, with Europe making up only a fraction of the market.
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dab / AFP / dpa