Apple has announced plans for a $US1 billion ($A1.4 billion) expansion of its massive data centre east of Reno in the US state of Nevada.
The spend will double its investment in the site and roughly triple its workforce at the technology campus where company officials expect to hire 100 additional workers.
The announcement came as the Reno City Council approved Apple's plans to build a $US4 million shipping and receiving warehouse on a vacant lot in downtown Reno that will make it eligible for millions of dollars in tax breaks.
"We're excited to be increasing our contributions to the local economy with an additional $1 billion investment to expand our data centre and supporting facilities," Apple spokesman John Rosenstock said on Wednesday.
"As part of our growth, we plan to hire 100 employees and expect construction will support an additional 300 jobs."
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Last week, Apple announced a new $US1 billion fund aimed at creating more US manufacturing jobs, but provided few details.
As part of a strategy emphasising its role in the US economy, it also released a state-by-state breakdown of where its 80,000 US employees work - more than half in California's Silicon Valley.
Apple currently has more than 700 workers in Nevada, which Rosentock says is home to the company's largest solar investment, "powering our data centre with clean energy."
The five-year-old $US1 billion data centre is located in the Reno Technology Centre near the Tracy generating station along US Interstate 80.
It's between Reno and the Tahoe Reno Industrial Center where Tesla's giant battery factory is based about 25 km east of Reno-Sparks.
Apple was awarded $US89 million in state property and sales tax abatements when it committed to the data centre in 2012.
