National Grid's $1.75B Bet on Dedicated AI Power
National Grid Ventures announced it took a $1.75 billion minority stake in Joulent, a power developer launched by Engine No. 1, to build dedicated AI power infrastructure for hyperscale AI data centers outside the traditional utility interconnection process. The deal backs a model that aims to deliver multi-gigawatt power to AI campuses on timelines conventional grid connections cannot match.
AI data centers create demand spikes that utility interconnection queues, designed for predictable growth, cannot handle quickly. Joulent's model dedicates generation to specific campuses, removing the shared-grid bottleneck entirely. Joulent said its first project, Project Kilby, will test whether this approach can bypass years of permitting and grid studies.
Why Dedicated AI Power Infrastructure Matters
Hyperscalers building gigawatt-scale AI clusters need power procurement timelines that match rapid hardware refresh cycles. A dedicated power developer reduces the risk that a data center sits idle waiting for utility approval, a scenario that carries significant financial exposure for operators carrying billions in construction costs. The model also changes site selection: locations with access to dedicated AI power infrastructure become viable even if the regional grid is capacity-constrained.
Portfolio Logic for National Grid
The investment gives National Grid Ventures exposure to the fastest-growing segment of electricity demand without carrying full project development risk. AI data center power consumption is projected to account for a rising share of new load in key markets through the rest of the decade. For Joulent, the partnership provides capital and operational credibility. If Project Kilby succeeds, it could attract additional investment from other infrastructure funds and utilities looking for a replicable template for dedicated AI power infrastructure.
Photo by Natalia Grela on Unsplash
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