Energie
De volgende barrière voor fusie‑energie is het winnen van publiek vertrouwen
De volgende uitdaging van fusie is niet alleen technisch
Fusion‑energie belooft een toekomst met praktisch onbeperkte energie, opgewekt zonder enige vervuiling.
Dit komt doordat, in tegenstelling tot klassieke nucleaire energie, kernsplijting geen zware radioactieve elementen zoals uranium, plutonium of thorium gebruikt of produceert. In plaats daarvan wordt waterstof of andere lichte elementen omgezet in iets zwaardere, niet‑radioactieve elementen om energie te genereren.
(U kunt meer lezen over hoe kernfusie werkt in ons speciale rapport over dit onderwerp)
Fusie‑kracht was vroeger een bijna science‑fictionconcept, altijd ongrijpbaar 30 jaar in de toekomst. Dit verandert snel, zoals uitgelegd in de recent gepubliceerde DOE Fusion Roadmap. Veel commerciële bedrijven komen dicht bij het produceren van hun eerste fusie‑reactor, met name Helion Energy, General Fusion (binnenkort beursgenoteerd), Proxima Fusion en Commonwealth Fusion Systems.
Echter, als de geschiedenis van nucleaire energie ons iets heeft geleerd, is het dat publieke perceptie bijna net zo belangrijk is als technische prestaties. Daarom blijft nucleaire energie zeer impopulair, ondanks dat het een koolstofarme energiebron is, en moderne nucleaire reactoren veel veiliger zijn dan oudere.
Deze negatieve perceptie heeft niet alleen ertoe geleid dat hele landen zoals Duitsland nucleaire energie hebben verlaten. Het heeft ook een enorme inflatie van regels, voorschriften en technische eisen veroorzaakt, die op hun beurt de kosten van nucleaire energie hebben verhoogd.
Dus de publieke perceptie van kernfusie zal waarschijnlijk sterk beïnvloeden hoeveel financiering het kan krijgen, hoe snel het wordt uitgerold, en hoe uiteindelijk succesvol het zal zijn als energievorm.
Three different recent studies have investigated the public perception of nuclear fusion, and give us some insights into how the nascent nuclear fusion sector can improve its image:
- “Publieke acceptatie van fusie‑energie: Een verkennende review van sociaalwetenschappelijk onderzoek.”1
- “Ontleden van publieke steun voor nucleaire energie: Een tweevoudig conjoint experiment over innovatieve kernfusie en volgende‑generatie splijtingstechnologieën.”2
- “Publieke acceptatie van fusie‑energie in Europa.”3
Publiek bewustzijn is laag, maar vroege houdingen zijn positief
Across multiple sociological studies in places as diverse as the Czech Republic, the US, and across Europe, a consistent finding is that public awareness and objective knowledge of fusion energy are low.
However, public attitudes are generally found to be positive or cautiously supportive. When provided with basic, balanced information, people tend to express more favourable views toward fusion.
However, a recurring objection is against the significant investment required for a technology that is not yet commercially proven, especially in the context of the urgent climate crisis.
So essentially, the public reaction is not one of hostility, but of skepticism that such massive investment is the best option regarding urgent changes in energy policies.
Interestingly, there is very little socioeconomic divide in this perception, with relatively equal perception between male and female, young and old, and education level, albeit slightly higher support for older, male, and/or 4-year degree profile.
Fusie profiteert van het feit dat het “nucleair, maar geen splijting” is
As can be expected from a technology radically different from nuclear fission, its public perception benefits from its key technological advantages:
- Weinig tot geen nucleair afval.
- Geen mogelijkheid tot wapenontwikkeling (kernbommen of vuile bommen).
- Veilig ontwerp zonder risico op een Chernobyl‑achtige kernsmelting.
- Rijkelijk, niet‑vervuilend, niet‑radioactief brandstof.
As a result, words like “clean”, “endless”, and “future” are commonly associated with fusion, contributing to a positive affective response that boosts support.
However, among people who view fusion negatively or neutrally, “nuclear stigma” is a significant hurdle, as concerns about waste, safety, and radiation are often conflated between the two technologies.
Providing information on this topic can strongly change opinions, showing that this is more a matter of confusion with nuclear fission than an entrenched belief.
Vertrouwen, bestuur en lokale impact zijn belangrijk
A major impact on the perception of nuclear fusion is trust in institutions. The part of the public that has higher trust in scientists, regulatory bodies, and industry actors is also associated with greater support for fusion energy.
On the opposite side, people skeptical of institutions do not trust them to properly handle or give an honest assessment of nuclear fusion advantages and risks.
“Rather than shying away from difficult topics like cost, timelines, or the handling of radioactive materials like tritium, stakeholders should address them transparently. This demonstrates respect for the public’s intelligence and builds the credibility needed for long-term trust.”
The primary concerns revolve around the management of radioactive materials, high costs, and the long development timeframe.
In the U.S. context, the public attitudes toward nuclear energy and nuclear weapons are tightly interconnected. When concerns over the military applications of nuclear research intensify, public support for nuclear energy may decline, including for nuclear fusion.
“A one-size-fits-all communication strategy is unlikely to be effective. The research indicates that different socio-demographic groups may have varying levels of concern and support.”
The advantage of fusion over fission in perception is not evenly distributed.
Maybe unsurprisingly, anti-nuclear (fission) countries like Germany have one of the largest differences between fission & fusion, but also an overall lower opinion of fusion.
Other countries like France, Spain, or the UK are much more similar. Some countries, like Poland, even have a higher positive image of nuclear fission.
Bron: Energy Policy
Informatie helpt, maar alleen messaging is niet voldoende
Providing information that clearly differentiates fusion from fission has been shown to improve public attitudes.
However, the association of fusion with a “stigmatizing element” like the use of depleted uranium can impact the support. This effect is reduced when it is explained why such material is used (for example, tritium storage and delivery), but not completely canceled.
While minor, elements of language like talking of “fusion energy” instead of “nuclear fusion” can also help improve perception.
But other elements than technical understanding and language also impact public opinion.
As with most large energy projects, respondents were more likely to support smaller-scale plants located farther from their residences.
“Proactive engagement with local communities is crucial, since NIMBY-related concerns drive much of the opposition to nuclear development in our experiment.”
In Europe, sourcing fuel domestically or from the EU increased support, likely reflecting citizens’ heightened awareness of energy security in the post-Ukraine invasion context.
Projects employing scientific (white-collar) rather than technical (blue-collar) staff received significantly more support, likely due to associations with prestige, safety, added economic value, and long-term research orientation.
“Citizens prioritize affordability, directly associating support for nuclear projects with their impact on consumer electricity prices. Hence, policymakers should focus on delivering nuclear solutions with clear economic benefits, contained costs, and emission profiles that are comparable to renewable energy sources.”
Another important point is that, compared with renewable energy sources like solar power, fusion’s advantages are less distinct in the public mind. Here, attitudes are shaped by prior beliefs, perceived costs and benefits, and trust, rather than by technical knowledge alone.
A potential advantage of fusion is the idea of fewer, larger facilities which could deliver national-scale output without dispersing visible infrastructures across landscapes to the extent required by highly distributed wind and rooftop/ground-mounted PV, still a common objection to renewables deployment.
Waarom publieke acceptatie belangrijk is voor investeerders
For investors, especially investors in fusion energy companies, but also in AI companies that might soon use such energy sources, properly estimating the public perception is important.
Public support for fusion energy will not just impact permitting. It will also shape the availability of public funding and the scale and seriousness of eventual local and national opposition to nuclear fusion projects.
Public perception is also likely to affect the regulatory framework in which nuclear fusion power plants will operate.
A skeptical and concerned public would pressure regulators to enact safety regulations that might increase costs, slow down construction, and slow down or block deployments of power plants close to cities, natural reserves, etc.
“The goal is not simply to make the public understand fusion, but to make the public feel heard. This is essential for building the trust that underpins a durable social license to operate.”
Further research will also be needed to assess the potential impact of the shift from public research to private companies in developing nuclear fusion.
Conclusie: Fusie heeft een sociale licentie nodig vóór opschaling
Fusion energy is promising to be one of mankind’s most impressive technical achievements. It could not only unlock access to an unlimited supply of clean energy on Earth, potentially solving climate change, but also power the infrastructure for a new wave of space exploration and even the colonization of other planetary bodies.
It will, however, need to be distinguished from the stigma still associated with nuclear fission if a widespread positive public perception is to occur.
Luckily, such an attitude already exists, and people who see fusion negatively mostly do so out of ignorance rather than deeply held negative beliefs. So, more education about the technical and safety differences between fusion and fission can help a lot.
Besides the technical understanding of fusion, the economic and local impact of fusion power plants is the other key factor in public acceptance of this technology.
The creation of qualified & high-pay jobs, limited local impacts, and cost competitiveness with positively-viewed renewables are all important factors.
So the fusion industry as a whole will benefit from focusing on technical education of the public and separating itself as much as possible from nuclear fission, potentially by insisting on a label such as “fusion energy’ instead.
And individual projects will do better by explaining the local impact and how they fit inside the broader green energy framework.
For example, presenting a fusion reactor as a source of jobs, energy independence, and a complement to green rooftop solar & an alternative to landscape-altering wind farms could help beyond just the mere acceptance of the technology’s safety.
Studies Gerefereerd
1. Christian Oltra, et al. Publieke acceptatie van fusie‑energie: Een verkennende review van sociaalwetenschappelijk onderzoek. Fusion Engineering and Design. Volume 226, May 2026, 115692. https://doi.org/10.1016/j.fusengdes.2026.115692
2. Merve Biten Butorac, Francesco Nicoli, Roberto Lalli. Ontleden van publieke steun voor nucleaire energie: Een tweevoudig conjoint experiment over innovatieve kernfusie en volgende‑generatie splijtingstechnologieën. Energy Policy. Volume 210, March 2026, 115007. https://doi.org/10.1016/j.enpol.2025.115007
3. Christian Oltra, et al. Publieke acceptatie van fusie‑energie in Europa. Fusion Engineering and Design. Volume 222, January 2026, 115430. https://doi.org/10.1016/j.fusengdes.2025.115430
