CNBC got an exclusive look inside GE Vernova's largest gas turbine plant in Greenville, South Carolina, where engineers and factory workers are speeding up production to meet demand from the AI boom. Hyperscalers like Amazon, Google, Microsoft and Oracle are lining up to buy the company's gas turbines to help power AI data centers. The company hired 200 workers last year, and 300 more are expected to start working at this factory by the end of the year. The turbines are 31 feet tall and weigh 280 tons; one turbine can power roughly half a million homes. Microsoft just bought seven of them to power its data center in Texas, generating 2.7 gigawatts. GE Vernova turbines are already online at Elon Musk's xAI Colossus 1 campus in Tennessee, and nearly a gigawatt more are being deployed at OpenAI's Stargate project in Texas. Demand far outstrips supply, with the order book full through 2029 and orders going as far out as 2031. About 20% of GE Vernova's gas power order book is going to a data center, artificial intelligence-type of application. One turbine can cost more than $250 million.