Photo of Pat Lynch Lynch says that inquiries from would-be investors in the data center have increased significantly in the past year.

DENVER—Data center demand has reached record levels in the past few years, and shows no signs of ebbing in 2018. That’s the case even as nearly 300 megawatts of capacity are scheduled for delivery in the sector’s primary markets—new inventory that will be delivered to markets with vacancies at or below 5%.