Sweden Plans 10,000 MW Nuclear Expansion by 2045

After closing six nuclear reactors between 1999 and 2020, Sweden is now charging full speed ahead with plans to build new ones, marking one of the most significant energy policy reversals in recent history.

The Swedish government has set ambitious targets: 2,500 MW of new nuclear capacity by 2035, expanding to 10,000 MW by 2045. To make this happen, officials have launched inquiries, changed laws, and even appointed a national coordinator dedicated solely to making new nuclear power a reality.

This represents a complete turnaround from where Sweden stood just a few decades ago. The country once operated 12 nuclear reactors built during what many called a "golden age" between 1964 and 1985. But a 1980 referendum halted expansion, and momentum shifted toward phasing nuclear out entirely.

Now researchers at Uppsala University are examining what changed. The renewed interest stems from three major factors: climate change concerns, fears about energy dependency, and exciting new technologies like small modular reactors (SMRs) that make nuclear safer and more flexible than ever before.

According to industry representatives and policy documents, nuclear power offers something renewables struggle to match: reliable, round-the-clock energy production. While solar and wind depend on weather conditions, nuclear plants generate steady power 24 hours a day, every day, creating what experts call a "baseload" that keeps the grid balanced.

Sweden's rivers already run hydropower at nearly full capacity, and expanding further would damage the environment while producing relatively little additional energy. Nuclear fills that gap without the environmental tradeoffs.

The Bright Side

What makes this story particularly hopeful is how it shows countries can adapt their energy strategies based on new information and technology. Sweden isn't abandoning renewable energy but rather building a comprehensive system where nuclear and renewables work together to meet climate goals.

The research reveals how technology and society shape each other in unexpected ways. Nuclear power isn't just making a technological comeback; it's being woven into a larger vision of Sweden's future where clean, reliable energy powers economic growth without compromising climate commitments.

While no new reactors are under construction yet, the government's clear intent and systematic planning show this isn't just talk. Sweden is proving that smart energy policy means using every tool available, not picking sides in an either-or debate between nuclear and renewables.

This approach could light the way for other nations struggling to balance energy security, climate action, and economic needs in an increasingly uncertain world.