Warming homes,
not the planet.

Pioneering elegantly simple and scalable nuclear solutions — to produce carbon-free energy for worry-free warmth.

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Steady Energy designs, constructs, and operates compact, advanced nuclear heating plants. Our elegantly simple approach enables scalable, cost-effective, zero-carbon district heating nearly anywhere.
Our innovation

Proven, then
improved.

At Steady Energy, we've simplified trusted and tested light water nuclear technology by focusing solely on heating. This innovation offers a solution for municipalities still dependent on fossil fuels or biomass, eliminating the need to choose between
meeting climate targets and heating demands.

60m
Over 60 million Europeans rely on district heating to warm their homes
75%
75% of EU district heating systems still rely on fossil fuels
Our technology

The LDR-50
turning possibility
into progress.

At the core of our solution lies the LDR-50 nuclear reactor, which operates at low temperatures and pressures. This groundbreaking technology ensures investable, safe, and emission-free heat production at significantly lower temperatures and pressures compared to traditional nuclear reactors. Our compact and secure plants can be located near urban areas.

Our Technology
The LDR-50 nuclear reactor
The benefits

Completing,
not competing.

Our solution excels at district heating. We’re outperforming traditional nuclear in efficiency and our lifecycle emissions are similar to offshore wind. But here’s the thing: we’re not here to compete with renewables; we’re here to complement them.

In winter, when temperatures drop and sunlight is scarce, renewables are pushed to their limits. Our district heating solution supports renewables by decoupling energy-intensive heating demands from the electricity grid, allowing the promise of renewables to continue shining even in the coldest months. Together, we’re stronger, and a carbon-free future is even closer.

“If it’s up to us, we will have small nuclear plants operating in Helsinki in the 2030s. We have a pivotal task to clean up our energy system. We need a reliable and steady source of heat, and small nuclear power is one of the few non-combustion-based energy sources that could fill that role at a reasonable price. Of course, safety comes first.”
Olli Sirkka, CEO of Helen
Helsingin Sanomat (15.5.2024)
“If all of Finland's district heating is produced with biomass there won’t be enough wood and the price will rise steeply, as we have seen. We therefore need to develop other solutions. Small nuclear reactors, such as Steady Energy’s LDR-50, is a very interesting option for us.”
Esa Lindholm, CEO, Kuopion Energia
YLE (01.12.2023)
What we offer

Zero footprint,
infinite progress.

Advanced heating plants

We combine the efficiency of the manufacturing industry with our innovative nuclear engineering solutions to introduce zero-emission heating plants to the market by 2030.

Reliable services

Partnering with us grants you access to clean, efficient, and reliable nuclear heat without the need for in-house nuclear plant operations.
“Our visionary approach combines the efficiency of the manufacturing industry with advanced nuclear engineering solutions, enabling us to bring zero-carbon heating plants to the market at a highly competitive price. We stand out with our robust and simplified technology.”
Tommi Nyman — CEO of Steady Energy
Our Team
Illustration of a portrait of the CEO of Steady Energy, Tommi Nyman
Key milestones
We'll take it step by step, gaining trust and support from stakeholders. We'll start with research and development, then move on to building the first plant. Our aim is to begin operations and expand to full-scale production by 2030.
2024

Steady Energy is
spun off from VTT

2025

Construction start of the LDRe
pilot plant

2026

Safety demonstration experiments
with R&D pilot plant

2027

LDR-50 plant ready for
technology assessment

2028

Decision on the first commercial
plant investment

Construction of the first LDR-50 unit

2030

First commercial plant
in operation