The 1 GW hyperscale AI campus we are developing in Romania
HELIOS DC ONE HYPERSCALE is a 1 GW hyperscale campus for artificial intelligence that we are developing in Romania, as part of the Energy Investment group.
Energy comes first
Our approach is energy-first: we design the power before the servers. The concept combines a solar PV park, battery storage and the electricity grid.
Here we show, step by step, how a hyperscale AI campus is designed: power, cooling, resilience and the full project life cycle, in short videos.
HELIOS DC ONE HYPERSCALE is in development and not yet operational. We will publish further project details only once they become public.
How does a 1 GW AI campus work?
Videos published on the YouTube channel HELIOS DC ONE HYPERSCALE. Design concept, illustrative.
How do you power a 1 GW AI data center by day, at night and in a grid outage?
How do you power a 1 GW AI data center by day, at night and in a grid outage?
In 2 minutes we show the energy-first concept behind HELIOS DC ONE HYPERSCALE: sunny hours, after sunset and a grid outage. Power comes before the servers. A design concept, not a dispatch simulation.
How is a 1 GW AI hyperscale campus built?
How is a 1 GW AI hyperscale campus built?
The full life cycle of a campus, step by step: from land and power to construction and the end of the project.
EP1 · How does solar energy reach a GPU?
EP1 · How does solar energy reach a GPU?
From the solar panel to the AI chip: how energy travels through the campus. Solar PV, battery storage and the grid, designed together, energy-first.
EP2 · Where does a GPU's heat go? The thermal chain explained
EP2 · Where does a GPU's heat go? The thermal chain explained
Cold plate on the chip, rack manifolds, CDU, process water and dry coolers, all the way to the atmosphere. This is how we will cool the campus's 1,000 MW of IT.
EP3 · What happens to an AI data center when the grid goes down?
EP3 · What happens to an AI data center when the grid goes down?
Two independent A and B power paths, blocks that isolate a fault, UPS batteries that bridge the gap and a controlled, block-by-block recovery.
EP4 · How do you cool a 1 GW AI campus without evaporating water?
EP4 · How do you cool a 1 GW AI campus without evaporating water?
Classic towers reject heat by evaporating water. The alternative: a closed loop, with direct-to-chip liquid and dry coolers that release the heat into the air, without evaporation. It is one of the directions we are analysing, not a final decision.
How do you power a 1 GW AI campus?
How do you power a 1 GW AI campus?
The short version: we start from the power. Day, night and a grid outage, in brief.
How is a 1 GW AI campus built?
How is a 1 GW AI campus built?
The short version: the life cycle of a hyperscale campus, in one minute.
EP1 · How does sunlight reach a GPU?
EP1 · How does sunlight reach a GPU?
The short version: how energy travels from solar, batteries and the grid to the GPU.
EP2 · Where does a GPU's heat go?
EP2 · Where does a GPU's heat go?
The short version: the thermal chain from the GPU to the atmosphere. Design concept.
EP3 · What happens when the grid goes down?
EP3 · What happens when the grid goes down?
The short version: A/B paths, UPS and controlled recovery. Design concept.
EP4 · How do you cool an AI campus without evaporating water?
EP4 · How do you cool an AI campus without evaporating water?
The short version: a closed loop and dry coolers, without evaporation. A direction under analysis, not a decision. Design concept.
Energy-first 1 GW hyperscale AI campus
HELIOS DC ONE HYPERSCALE is a 1 GW hyperscale and AI data center campus that we are developing in Romania, as part of the Energy Investment group. Our approach is energy-first: we plan the power before the servers, combining a solar PV park, battery energy storage and the grid. The campus is planned at 1,000 MW of IT capacity, to be built in 4 phases of 250 MW each.
HELIOS DC ONE HYPERSCALE is in development and is not yet in operation.