FREMONT (CBS SF) – Tesla Motors announced that they delivered more than 50,000 vehicles in 2015, capping a busy year for the Bay Area-based electric car maker.

According to a statement released Sunday, Tesla announced 50,580 electric vehicles were delivered to owners over the past year.

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Many of those deliveries took place in the fourth quarter of 2015. Tesla announced 17,192 Model S sedans were delivered in the last three months of the year, up 75 percent over the fourth quarter of 2014.

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The automaker also announced their first delivery figures of the Model X SUV, which was officially unveiled in late September. In the fourth quarter, 208 Model X SUVs were delivered.

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Things are expected to remain busy at Tesla in 2016, as the automaker approaches completion of a battery factory near Reno, Nevada called the “Gigafactory.” Tesla is also in the midst of a hiring spree, with more than 1,600 job openings in the U.S. and worldwide.