Will there be any new nuclear power plants be build in the USA / Europe?

GPT-4o

Vote: Yes

The growing focus on reducing carbon emissions and the urgent need for stable baseload power sources has increased interest in nuclear energy as a clean and reliable option. Recent advancements in nuclear technology, such as small modular reactors (SMRs), which offer enhanced safety features and lower costs, are driving renewed investment in nuclear power. Additionally, several countries in Europe and some states in the USA have already announced plans or are exploring opportunities to build new nuclear installations to meet their energy transition goals.

Grok 4

Vote: Yes

Multiple nuclear plants are already under construction in both regions. In the USA, Vogtle Units 3 and 4 represent new AP1000 reactors with Unit 3 entering commercial operation in 2023. In Europe, projects like Hinkley Point C in the UK and the recently operational Olkiluoto 3 in Finland demonstrate ongoing builds. Governments are accelerating nuclear development to meet climate goals, with approvals for small modular reactors and life extensions of existing plants paving the way for more capacity. Policy support from the EU taxonomy and US Inflation Reduction Act further incentivizes new builds. Historical delays do not negate current momentum; several new facilities are funded and in active development phases, making 'no new plants' an unrealistic outlook.

Grok 4.1 Fast

Vote: Yes

Recent completions prove momentum: Vogtle Units 3 and 4 began commercial operation in the US (2023-2024), Olkiluoto 3 in Finland (2023), showing large-scale builds are feasible despite delays. Ongoing projects confirm continuation: Hinkley Point C (UK, first unit expected 2029), Flamanville 3 (France, 2024), and Sizewell C (UK planning). Policy tailwinds accelerate new builds: US Inflation Reduction Act provides tax credits; Europe prioritizes nuclear for energy security post-Ukraine war and net-zero goals (e.g., EU taxonomy includes nuclear). Emerging tech like SMRs (NuScale, GE-Hitachi) has regulatory approvals and deals (e.g., Microsoft-DARPA), targeting 2030s deployment. 'No' ignores these facts—delays exist, but cancellations are rare amid rising demand from AI/data centers and decarbonization.

Kimi K2.5

Vote: Yes

New nuclear power plants are already under construction in both regions and multiple projects are in advanced planning stages. In the US, Vogtle Units 3 and 4 recently came online (2023-2024), demonstrating that new large-scale construction is possible, while advanced Small Modular Reactors (SMRs) from NuScale and TerraPower are moving toward deployment with significant DOE backing and IRA tax credits. In Europe, the UK is actively building Hinkley Point C and planning Sizewell C, France is building new EPR reactors and announced plans for up to 14 more, and countries like Poland, Romania, and the Czech Republic are pursuing new nuclear to replace coal and reduce Russian energy dependence. The convergence of energy security concerns, net-zero climate commitments, and improved reactor designs makes new builds inevitable despite historical cost overruns.

Mistral Large

Vote: Yes

Recent geopolitical and energy security concerns have reignited interest in nuclear power as a stable, low-carbon energy source. Both the USA and Europe are actively pursuing nuclear energy expansion to reduce dependence on fossil fuels and meet climate goals. For example, the U.S. Inflation Reduction Act includes incentives for nuclear power, and several states have approved or are considering new reactor projects, such as Georgia's Vogtle units and small modular reactor (SMR) initiatives in multiple states. In Europe, countries like France, Poland, and the UK are leading the charge. France, historically a nuclear leader, plans to build up to 14 new reactors by 2050. Poland is shifting away from coal and has committed to its first nuclear power plant, while the UK is advancing projects like Hinkley Point C and Sizewell C. Even Germany, which phased out nuclear post-Fukushima, has extended the life of some plants due to energy crises, signaling a potential shift in sentiment. Technological advancements, such as SMRs, are reducing costs and construction timelines, making nuclear more viable. While challenges like regulatory hurdles and public opposition persist, the combination of energy security needs, climate commitments, and technological progress strongly suggests that new nuclear plants will be built in both the USA and Europe in the coming decades.

Claude Opus 4.6

Vote: Yes

New nuclear power plants are already under construction or in advanced planning stages in both the USA and Europe, making this essentially a factual matter rather than speculation. In Europe, Finland's Olkiluoto 3 reactor recently came online in 2023, and France has announced plans to build up to 14 new reactors (EPR2 design) as part of President Macron's energy strategy. The UK has Hinkley Point C under active construction and Sizewell C approved. Poland is also planning its first nuclear power plant with Westinghouse technology. In the USA, Plant Vogtle Units 3 and 4 in Georgia recently came online (2023-2024), becoming the first new nuclear units in decades. Beyond traditional large reactors, there is massive momentum behind Small Modular Reactors (SMRs), with the NRC reviewing multiple designs. Companies like NuScale, TerraPower (backed by Bill Gates), and others have active projects. The Inflation Reduction Act provides significant tax credits for new nuclear generation. The growing demand for clean, reliable baseload power — driven by AI data centers, electrification goals, and climate commitments — has created a strong political and economic tailwind for nuclear energy that spans both sides of the political aisle in the US and is gaining support across Europe. Given that plants are literally already being built and more are formally planned with government backing, the answer is unambiguously yes.

Final Summary

The AI Roundtable reached a rare state of absolute consensus, with every model immediately selecting 'Yes' and dismissing any notion of a nuclear-free future as Factually incorrect. Claude Opus 4.6 and Grok 4.1 Fast led the charge, arguing that the debate is essentially over because new plants, such as Georgia’s Vogtle Units 3 and 4 and Finland’s Olkiluoto 3, are already operational or under active construction.

All 6 models agreed on "Yes" after discussion

Strongest Arguments

• Yes: The transition from theory to reality is evidenced by recent operational milestones like Vogtle Units 3 and 4 and Olkiluoto 3, combined with the massive energy demand from AI data centers and the security-driven need to decouple from Russian gas.