The energy landscape witnessed a tectonic shift this week, moving beyond abstract discussions of data center demand to concrete, multi-billion-dollar actions in the firm power sector. The headline event was Google’s landmark 25-year power purchase agreement with NextEra Energy to restart the 615-MW Duane Arnold nuclear plant in Iowa, which ceased operations in 2020. This move marks a significant strategic pivot for major energy consumers. While Big Tech has long championed renewable PPAs, the operational reality of powering massive, 24/7 data centers is forcing a reckoning with the need for reliable, carbon-free baseload power—a role that nuclear energy is uniquely positioned to fill. This deal is not just about one plant; it’s a powerful market signal that mothballed nuclear assets are now seen as viable, even preferable, solutions to meet voracious new load growth without compromising on decarbonization goals.

This resurgence isn’t limited to restarting old plants. A monumental partnership announced this week between Westinghouse, Cameco, and Brookfield Asset Management will advance an estimated $80 billion in new nuclear reactor projects, primarily Westinghouse’s AP1000 units, at the behest of the U.S. government. This development underscores a broader, top-down commitment to nuclear as a cornerstone of future energy security and economic strategy. The massive capital injection from institutional investors like Brookfield indicates that the financial community’s risk perception of nuclear is evolving, likely spurred by the undeniable demand from credit-worthy off-takers like Google and the clear policy support aimed at ensuring domestic energy leadership.

These nuclear developments are occurring within a broader context of grid strain and creative, sometimes carbon-intensive, workarounds. The Department of Energy directed FERC to ‘rapidly accelerate’ interconnection for large loads, acknowledging the systemic bottlenecks that are slowing deployment. In response, some utilities and data center operators are turning to fossil fuels as a more immediate solution. Reports show data centers helping to fund new gas power projects, like Arizona Public Service’s 2,000-MW Desert Sun plant, and even turning to on-site gas generators to bypass grid connection delays entirely. This creates a critical divergence in the path to powering the digital economy: one path leans on dispatchable fossil fuels for speed and reliability, while the other, exemplified by the week’s nuclear news, invests in long-term, clean firm power. The technoeconomic challenge ahead will be balancing the high upfront capital and long timelines of nuclear against the urgent power needs of the rapidly expanding data center industry.

This Week’s Top 20 Energy News Items

1. Google to power Iowa data centers with restarted Duane Arnold nuclear plant
2. US Government signs $80bn nuclear deal with Westinghouse, Cameco and Brookfield
3. DOE directs FERC to ‘rapidly accelerate’ large load, data center interconnection
4. Data centers to help fund APS’s 2,000-MW Desert Sun gas power project
5. Illinois lawmakers just passed another big clean-energy bill
6. Chart: Batteries are set to surge onto the US grid
7. The era of ‘free’ excess renewable energy is over
8. Trade, policy ‘headwinds’ push First Solar to boost US production
9. Xcel Energy rolls out $60 billion capital spending plan
10. Gas continues to dominate Entergy plans as data center pipeline grows
11. Denmark Group: Old Coal-Fired Plants Can Be Converted to Thermal Energy Storage Facilities
12. France introduces grid tariff reforms for energy storage
13. Data Centers Are Turning to Gas Generators for Prime Power to Eliminate Long Lead Times for Grid Connections
14. Australia launches Guarantee of Origin scheme, paving way for green exports and RET replacement
15. The people’s power plant: How Puerto Rico turned home batteries into a reliable grid asset
16. Europe’s flagship green-steel project gets a financial lifeline
17. Canada’s Cache Power advances 30 GWh compressed air storage project
18. Virginia legislators have a new road map for reining in electric bills
19. ERCOT increasingly meets rising demand with solar, wind, and batteries
20. Fusion Energy Group Hits Construction Milestone at Massachusetts Campus

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Further Reading:

• U.S. Department of Energy Office of Nuclear Energy
• World Nuclear Association – Nuclear Power Reactors