Equinix at $100B Meets the Local Power Test

By September 2026, data-center operator Equinix had reached a $100 billion market capitalization, yet residents near London were challenging its planned $5 billion Potters Bar campus. Investors can finance an AI data center; the people beside its substations, water systems and access roads decide whether its physical burden remains acceptable.

When Equinix bought Telecity for $3.6 billion in 2015, expansion largely meant acquiring network reach and an established colocation footprint. When Equinix closed its $335 million acquisition of bare-metal cloud provider Packet in 2020, the company began moving beyond rented floor space toward a more integrated infrastructure platform. Operators still assumed that once planners entitled a site and utilities supplied it, the building could settle into the landscape as private infrastructure.

AI campus operators now face a fourth site constraint: political durability. Cheap power, available land and tax relief may make a campus pencil out, but operators cannot convert those advantages into durable capacity without long-term commitments on grid upgrades, water, land use and public revenue. They must secure local legitimacy as deliberately as power or land.

AI campuses crossed the public-infrastructure threshold

Hyperscalers have announced 46 gigawatts of AI data-center capacity. At full utilization, those campuses would consume energy equivalent to roughly 44.2 million U.S. households. Meta separately discussed a prospective AI campus that could cost more than $200 billion, with its scale driven by the number of chips and the power required to run them.

A utility cannot treat loads of that size as another commercial connection. It must plan generation, transmission, substations and backup arrangements around them, while local water and land-use systems must absorb the cooling plant and physical campus. The abstraction called compute arrives at a specific address as transformers, pipes, generators and utility bills.

In 2023, high-performance chips drawing more than one kilowatt helped drive adoption of direct liquid cooling, binding chip choice to the cooling loop, electrical design and reliability plan. A rack specification now reaches beyond the server hall into assets that utilities and public authorities manage for everyone else.

Equinix and Digital Realty had already stockpiled diesel before possible European winter blackouts in 2022. The companies knew the grid was a design boundary before the current campus wave. AI magnified that shared-grid dependence until a facility designed as private computing became utility infrastructure in everything but ownership.

The tax break became a performance contract

Four U.S. states rolled back or paused data-center tax incentives, and nine others were weighing repeal measures. State changes could add 7% or more to equipment costs, which matters when a campus fills repeatedly with expensive accelerators rather than depreciating conventional servers.

Meta’s planned 2-gigawatt Hyperion project in Louisiana shows why legislatures revisited the bargain. An analysis estimated that sales-tax breaks on its GPUs could exceed $3.3 billion. Lawmakers can defend a fixed exemption as the price of attracting investment; repeated hardware purchases turn the exemption into an open-ended claim on future tax revenue.

Multiple Republican governors and large utilities were also expected to join a pledge requiring data-center developers to cover their energy use and supporting infrastructure. Under that pledge, developers would have to identify who finances the substation, who carries the infrastructure cost and which obligations remain after political leadership changes.

States and developers favored tax incentives partly because both parties could calculate them before construction. They must enforce performance obligations across the campus life cycle, as power demand, cooling technology and hardware procurement change. The contract must outlast the assumptions used to negotiate it. Infrastructure has always worked this way; data centers are losing their exemption from the rule.

A construction permit no longer settles the operating bargain

Local opponents blocked or delayed 17 U.S. data-center projects worth $98 billion in Q2 2025. From May 2024 through March 2025, 16 projects worth $64 billion had met the same fate. Residents and local officials were deciding how each project would allocate electricity, land, water and public costs for years.

Potters Bar makes the distinction visible. The UK reclassified some green-belt land to facilitate construction, but residents still challenged Equinix’s proposed development of surrounding land. National policy could change the planning category; it could not make the local argument disappear. Permission to pour concrete and permission to operate as a durable neighbor had separated into different approvals.

The IEA’s global figures temper the backlash. Economic growth, electric vehicles, air conditioning and energy-intensive manufacturing drive more electricity-demand growth worldwide than data centers. U.S. data-center capacity, however, clustered sharply: just 33 counties accounted for roughly 72% of the national total as of July 2025. A county board confronts the local substation and tax parcel, not the global denominator.

Developers also had more data-center capacity under construction in Texas than in any other U.S. state, even as residents’ backlash tested the state’s pro-business model. Texas shows that public conflict does not automatically stop expansion. Cheap power, land and permissive development policy can keep cranes moving while utilities, officials and residents dispute who should carry the resulting costs.

The Nordic premium belongs to an operating platform

Developers built a Nordic data-center boom around low power prices, available land and cooler weather, with 1.5 gigawatts live and 7.5 gigawatts in the pipeline. Cooler air reduces the cooling burden, while lower electricity prices improve the economics of every hour that accelerators remain busy.

Equinix and the Canada Pension Plan Investment Board then agreed to acquire pan-Nordic operator atNorth for $4 billion including debt. They chose an operating regional platform rather than an undeveloped parcel. The purchase gave them an existing organization through which to deploy capital across a region already hosting live capacity.

Equinix had spent years turning physical presence into a service layer. Packet added bare-metal cloud capabilities in 2020. In September 2026, Equinix partnered with Nvidia to let customers run AI models through Together AI’s platform, connecting its facilities to enterprise inference rather than leaving customers to treat colocation as rented square footage.

Equinix now has to solve a more exacting location problem. Cheap remote electricity can improve training economics, but latency-sensitive inference and enterprise connectivity constrain how far workloads can move. The company must coordinate power, cooling, networks and customer demand as one computer spread across buildings. Its operating platform must turn acreage and megawatts into utilized machines.

Announced megawatts have split into different asset classes

U.S. capacity that was built, underway, planned or stalled exceeded 80 gigawatts in 2025. Investors looking at that total must separate four unlike assets. A functioning facility, an active construction site, a permitted plan and a stalled proposal may each contribute megawatts to a headline, but only one is already producing operating history and tenant revenue.

Digital Realty made the distinction concrete when it agreed to acquire a majority stake in three fully leased Northern Virginia data centers in a deal valuing the assets at $7.8 billion. Their tenants, connections and operating histories eliminated layers of uncertainty that still surrounded greenfield projections.

Long-duration commitments in the contracted-megawatt market similarly connect physical capacity to future cash flow. Equinix’s stock had risen 33% for the year when its market capitalization reached $100 billion, coinciding with the Nvidia and Together AI partnership. Investors could value an inference service attached to an operating footprint, not just concrete and electrical equipment.

A campus blueprint once stopped at the fence line. The operator’s usable drawing set now continues through the substation upgrade, cooling loop, tax schedule and council minutes: concrete can follow consent, but consent cannot be bolted onto concrete.