Stack Infrastructure Announces Major 121MW Expansion of Oregon Data Center Campus
February 11, 2026
In a significant move to meet the surging demand for digital infrastructure, particularly from artificial intelligence and cloud computing, data center developer Stack Infrastructure has announced a detailed timeline for a major expansion of its Hillsboro, Oregon campus. The planned 121-megawatt (MW) build-out underscores the intense competition and rapid growth occurring in key data center markets across North America. The company confirmed in a LinkedIn post on February 11, 2026, that the first phase of this expansion, a 25MW facility designated POR03D, is slated for completion by the fourth quarter of 2027. This initial building will be followed by the construction of two additional facilities: a 42MW structure (POR03E) and a 54MW structure (POR03F). Upon completion of this multi-phase project, the total capacity of the POR03 campus will reach 200MW, a substantial increase from its current 72MW of live capacity spread across three existing buildings (POR03A, POR03B, and POR03C). Stack Infrastructure, a wholesale colocation provider formed in early 2019 by investment firm IPI Partners, broke ground on the Hillsboro campus in October 2020 and delivered its first building in January 2022. The expanded campus, located near the company's other Portland-area facilities POR01 (4MW) and POR02 (24MW), is strategically positioned to serve the growing needs of hyperscale customers in the Pacific Northwest. This expansion is a direct response to the unprecedented demand for high-power computing infrastructure. The scale of the project, adding the equivalent power for tens of thousands of high-density server racks, highlights the capital-intensive nature of modern data center development. It also reinforces Oregon's status as a critical hub for the industry, benefiting from available land, reliable power infrastructure, and attractive economic conditions. The successful execution of this plan will significantly bolster Stack's footprint in a competitive region and provide essential capacity for the next wave of digital innovation.
Source: datacenterdynamics
