Northern California: 120 data centres, 44 operators, 1,480 MW live

• 26 Aug 2026Moratorium

  Fremont County enacts emergency data center moratorium

  Fremont County Commissioners unanimously enacted an emergency moratorium on data center construction on Tuesday, August 26, 2026, imposing a six-month pause to allow the planning and zoning department to develop regulations for data center siting. County Attorney Eric Bellas stated no inquiries for data center placement have been received, but commissioners approved the moratorium out of abundance of caution to address potential impacts on water resources and power grid infrastructure.

• 7 Aug 2026Announced100 MW

  Menlo Equities proposes 444 MW data center on San Jose Western Digital campus

  Real estate firm Menlo Equities announced a proposal for a 444,400-square-foot data center on part of the Western Digital campus in South San Jose between Lexington Avenue and Raleigh Road. The facility would require 99.7 megawatts of total power with 72 megawatts of critical backup power from Tier 4 generators, and would include air-cooled chillers on a closed-loop water recycling system. The project is consistent with the site's long-standing industrial zoning and would generate an estimated $3–6 million in annual revenue for the city once fully operational.

• 23 Jul 2026Litigation

  Data Center Plan at Nvidia San Jose Site Faces Appeal

  A proposal to develop a data center at an Nvidia site in San Jose is facing an appeal, indicating regulatory or legal opposition to the project. The appeal suggests community or stakeholder challenges to the facility's approval or planning permission. The outcome of this litigation could affect data center development in the San Jose market. Full details on the appellants and grounds for appeal require additional reporting.

• 22 Jul 2026Land acquired

  Delta Electronics Acquires New Silicon Valley Data Center Site to Expand AI Infrastructure

  Delta Electronics, a major power and thermal management solutions provider, has acquired a new data center facility location in Silicon Valley to expand its AI infrastructure footprint. The acquisition represents Delta's strategic move to support growing demand for data center capacity in the region. This expansion enables Delta to strengthen its position in the AI infrastructure market by providing critical facility locations for high-performance computing operations.

• 21 Jul 2026Zoning decision

  Hayward rewrites data center rules after STACK approval

  Hayward, California approved a 310,000-square-foot hyperscale data center by STACK Infrastructure with 76.6 MW capacity in May 2025 without City Council review. Facing community pushback over environmental and resource concerns, the city subsequently established new zoning regulations requiring data center projects larger than 50 MW to receive public hearings and City Council approval. The facility is projected to generate $8.3-10.5 million annually in tax revenue while raising concerns about water and energy resource consumption during California's drought.

• 26 Jun 2026Announced20 MW

  Oakland University Approves On-Campus Data Center Project

  Oakland University's board of trustees voted on June 26, 2026 to advance a proposed on-campus data center project following nine months of stakeholder consultation. The new facility will replace the university's current computing infrastructure housed in Dodge Hall and North Foundation Hall. The project represents a significant upgrade to OU's data infrastructure capabilities.

• 1 Feb 2026Expansion

  San Jose Equinix 035 expansion

  San Jose Equinix 035 was expanded in February 2026.

• 8 Jul 2025Expansion

  San Jose Zenlayer 018 expansion

  Zenlayer's presence at this facility was registered on PeeringDB on 8 July 2025 — a presence-registration date, not a commissioning date.

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