Our systems turn radioactive heat into power with 25 % efficiency. That’s five times less fuel than old RTGs need for the same watts.
Designed to enhance reliability, therefore it has one moving piston instead of two for classical free-piston Stirling design, so less to break.
The dynamic heat-to-electricity
converter of 25% efficiency
Modular 50W design with 5x less
radioisotope fuel than RTGs
“Power-as-a-service” legal framework keeps regulated
radioisotope heat-source as power supplier
The ultimate goal of Deep Space Energy is to become a commercial supplier of radioisotope electricity for the needs of science surface mission on the Moon and Mars, deep space science missions, and commercial Lunar market.
Deep Space Energy is executing multiple European Space Agency (ESA) development contracts covering converter validation, advanced Sr-90 fuels and hybrid system studies.
Our compact 50 W modules keep avionics, heaters and science payloads alive through 336 hours of –173 °C darkness that shuts solar arrays down.
Dynamic Stirling conversion shrugs off dust buildup, delivering steady watts for mobility, drilling and data relay across five consecutive Martian winters.
25 %-efficient generators provide broadband communications and energy-hungry instruments five billion kilometres out, long after solar becomes impractical.
Hybrid nuclear-solar packs bridge every eclipse, guaranteeing navigation, propellant conditioning and emergency resupply for Earth–Moon infrastructure without service gaps.
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Hostile lasers can temporarily or permanently blind solar arrays, stripping a satellite of the watts that keep payloads, attitude control and encryption systems alive.
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Underwater drones and seabed sensors usually live on borrowed time—once their batteries drain, someone must haul them up, swap packs and redeploy. That limits missions to days or weeks and drives up vessel costs.
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Forward ISR posts in deserts, jungles, or polar ice need steady watts for radars, cameras, and encrypted links. Batteries last only days, and fuel airdrops give away the site and cost a fortune.
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The Moon’s polar craters never see sunlight. Temperatures plunge to -230 °C, and solar panels stay uselessly dark, freezing batteries and electronics within hours. That makes prospecting for water-ice in these regions almost impossible.
Deep Space Energy — two hubs, one goal
Deep Space Energy is building on decades of expertise in developing electromagnetic devices, now dedicating them to space and scientific missions. We are on a mission to become a commercial supplier of radioisotope electricity for the needs of science deep space missions, surface missions on the Moon and Mars, the emerging commercial Lunar market, and to support the power resilience of strategic space assets, and power off-grid applications on the Earth.
Together, we combine Baltic and UK talents, leveraging a European supply chain for radioisotope fuel, machining, and power subsystems.
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