IDCA: Data Centers Hit 67.7 GW as Policy Pushback Mounts

The International Data Center Authority (IDCA) recently published its 2026 Data Center Report, revealing a significant uptick in global data center power consumption and an escalating pushback against new constructions. The report asserts that global facility-level demand has skyrocketed to 67.7 GW, marking a 36% increase over the last two years. In the United States alone, data centers consume approximately 29.2 GW, which represents about 43% of global data center electricity usage and 6% of the total national electricity consumption.

Key Findings:

• Cloud computing in the U.S. generates an estimated 3 GW of power consumption from "zombie" workloads—resources allocated but not actively utilized.
• The IDCA has identified numerous markets exceeding a grid-consumption threshold of 6.25%, where policy resistance tends to intensify, resulting in construction bans and community pushback.
• Investments in global data centers are nearing $1 trillion annually.

The Waste from GrowthOne striking revelation from the report is the scale of unused resources within cloud operations, attributed largely to the presence of "zombie workloads." IDCA defines these as resources that are actively consuming power but not contributing to productive tasks. According to Mehdi Paryavi, CEO of IDCA, an astonishing 13% of U.S. cloud consumption falls into this category, correlating to an output equivalent to that of three nuclear power plants. Such inefficiencies can stem from abandoned test environments, overordering, or mismanagement within large IT departments, leading to losses that could escalate as cloud computing continues to gain traction.

Underreported Capacity in ChinaChina stands out with a reported facility-level draw of 8.5 GW, but experts believe this figure underestimates its true potential. Paryavi points out that the country generates nearly double the electricity of the U.S. while utilizing less than 1% of it for data center operations. Additionally, as China has retreated from cryptocurrency mining, there lies a latent capacity that could be harnessed for future data center projects.

Misleading Consumption EstimatesIDCA critiques many government and third-party estimates for failing to account for smaller data centers and on-site facilities that consume significant power. These smaller setups are frequently overlooked, combining to represent at least 15% of total data center energy consumption. Rapidly-emerging AI facilities, meanwhile, are contributing to spikes in electricity consumption, further complicating accurate assessments of demand.

Navigating Grid ChallengesThe report underscores that utilities must navigate intricate demand curves and peak consumption dynamics when planning for power distribution. Paryavi refers to instances, such as an event in Northern Virginia, where data centers returned significant amounts of power to the grid, overwhelming local systems and causing outages.

The 6.25% Threshold for Policy InterventionIDCA warns that once national electricity consumption by data centers reaches around 6.25%, it often triggers a slew of policy interventions. This threshold has already been breached in places like Ireland and Singapore, prompting stricter regulations and community backlash.

Power as the Key ConstraintParyavi emphasizes that access to power is the most vital factor in determining where new data centers can be established. Many developed countries are nearing their power limits, while developing nations face considerable challenges in securing electricity for expansion.

Water Usage: A Localized but Important FactorDespite the attention water usage in older data centers receives, IDCA notes that modern facilities employ efficient cooling techniques that minimize water use. However, water resource availability still poses localized challenges for development.

Building Community Trust through TransparencyLastly, the IDCA stresses that fostering community trust is essential for successful project approvals. Using local registered entities can obscure project sponsors and diminish community confidence. Thus, they advocate for greater transparency and early engagement with local communities in the development process.

As the data center landscape continues to evolve, understanding these dynamics will be crucial for stakeholders navigating the regulatory environment and operational challenges ahead.

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