Global datacenter power demand to hit 565 TWh by 2026
Gartner predicts global datacenter electricity consumption will reach 565 terawatt-hours (TWh) in 2026, driven by AI-optimized servers. The firm forecasts consumption to exceed 1,200 TWh by 2030, raising concerns that grid supply may be insufficient to support additional datacenter capacity. This power wall could impact the scalability of cloud-based streaming services and their underlying infrastructure.
Key Takeaways
- AI-optimized servers are forecast to account for 31% of all datacenter power consumption by late 2026.
- Power consumption from AI servers is expected to surpass that of conventional servers by 2027.
- Global datacenter energy use is projected to more than double from 565 TWh in 2026 to over 1,200 TWh by 2030.
- Datacenter power demand is expected to rise from 104 GW in 2025 to 132 GW in 2026.
Why It Matters
The projected 'power wall' indicates that grid availability, rather than hardware or capital, is becoming the primary bottleneck for streaming infrastructure expansion. As AI workloads begin to compete with traditional video delivery for limited kilowatt-hours, platforms may face rising operational costs and regional deployment delays. This shift forces a strategic pivot toward power-secure facilities and high-efficiency cooling to protect margins in a resource-constrained market. Watch for a rise in 'bring-your-own-power' deployments where operators integrate dedicated natural gas or onsite renewable generation to bypass grid interconnection queues.
Additional Context
The strain on infrastructure has already triggered regulatory and economic friction in key markets. Per the Los Angeles Times in June 2026, federal officials have considered breaking up PJM Interconnection, the largest U.S. grid operator, as skyrocketing datacenter demand in its 13-state territory has fueled price hikes and regional instability. Monitoring Analytics reported in May 2026 that datacenter load contributed to a 76% increase in PJM wholesale power costs during Q1 2026, leading to a political backlash over residential rate increases.
To circumvent these grid bottlenecks, developers are increasingly pursuing energy independence. Per Business Insider in June 2026, at least 46 upcoming datacenters plan to build their own dedicated power generation sources, including natural gas turbines and solar microgrids. This pivot is mirrored in secondary markets; Schneider Electric noted in July 2025 that operators are abandoning saturated hubs like Northern Virginia for states like Louisiana and Wisconsin, where grid capacity is more accessible.
Financial analysts are also adjusting risk models to account for this deficit. Per Investing.com in June 2026, William Blair raised its forecast for the U.S. datacenter power supply-demand gap to 28 gigawatts by 2030, up from a previous estimate of 21 gigawatts. Meanwhile, the International Energy Agency reported in April 2026 that five major tech firms invested over $400 billion in 2025 alone to secure the infrastructure and energy procurement needed to sustain their compute expansion.
Read full article at theregister.com
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