AI compute is ready years before the grid is.
Our customers have land, capital and GPUs on order. What they don't have is a grid connection before the 2030s.
Power is the binding constraint on AI build-out.
A behind-the-meter power island, delivered.
Partners deliver the megawatts. Our layer makes them GPU-grade: a two-tier battery bank and one supervisory controller, designed in from day one.
The megawatts
Turbine capacity from established energy partners, deployable in months rather than on a transmission timeline. We don't build generation — our layer sits in front of it.
Two-tier battery
Energy is banked and released as GPU load swings, absorbing the transients that generation can't follow on its own. The load sees steady power.
One plant controller
PlantOS, our supervisory software, runs generation and battery as one plant. Dispatch, buffering and islanding are handled in one place instead of being split across vendors.
No. We don't trade storage in energy markets and we don't sell power. We supply the battery architecture and the control software that let a power island hold GPU-grade power quality.
We don't sell electrons. We make them firm.
Battery Vault is neither a battery manufacturer nor a utility. We design the firming layer, the vault and PlantOS, and deliver it inside power-island projects led by established energy partners.
Tell us your load. We'll do the rest.
Move the slider. The firming layer scales with your campus, the timeline doesn't.
Same basis as above: €50m monthly compute revenue per 100 MW · detailed economics in the teaser
AI power is going behind the meter, at gigawatt scale.
Grid connections take years AI operators don't have. So generation is moving on-site: turbines, engines, microgrids. A new asset class is being built at speed.
The operators with capital are no longer waiting for the utility. They're signing for on-site power today — and every one of those projects needs a firming layer to make it GPU-grade. That layer is what we sell.
The trade-offs, side by side.
On-site megawatts arrive in months. Whether they're GPU-grade is decided by the firming layer.
Why we can deliver Our layer ships inside projects delivered by established energy partners running field-proven turbine plant. Partner detail available under NDA.
Building an AI power island? Let's talk about the firming layer.▍
If you're building or powering an AI campus, or investing in the people who are, we'd like to hear from you.
Specify the firming layer
You're building or powering an AI campus. Tell us the load. We'll size the vault and the control layer.
Start the conversation →Pre-seed, open now
We're raising to deliver the firming layer into the first islands. Open the vault for the headline terms.
Enter investor mode →Firming layer · Island-01 in design — Munich · 2026