Electric car maker Tesla Motors ended a year of dramatic growth in 2013 by announcing in its fourth quarter and full year earnings report on Wednesday that it plans to significantly boost the number of its Model S cars shipped in 2014, and also confirmed that a massive battery production factory is planned with partners.

Tesla said it plans to boost the number of Model S cars shipped by over 55 percent in 2014 to 35,000 cars. Tesla shipped its first Model S about 20 months ago and in 2013 delivered 22,477 Model S cars. Tesla says it was able to hit its goal of 25 percent gross margin on these cars by the end of 2013 and will reach 28 percent gross margin by the end of 2014.

That increase in shipments means that Tesla will need to ramp up the amount of Model S cars it can make…