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TerraPower Bets On Energy Storage To Power AI Data Centers

Nuclear startups are increasingly looking to data centers as demand for reliable electricity surges with the growth of AI. TerraPower, founded by Bill Gates, is among the companies pursuing that opportunity and is expected to announce its first data center project this year.

The company has not disclosed the customer. In January, however, TerraPower announced that Meta had agreed to buy eight of its Natrium power plants. Its first reactor is already under construction in Wyoming, while the planned data center project is expected to break ground in 2027.

Why Energy Storage Matters

TerraPower’s main advantage could be its approach to energy storage.

Nuclear reactors are designed to operate most efficiently at full capacity. U.S. nuclear plants generate at maximum power around 92.5% of the time, but conventional reactors can adjust their output relatively slowly. Even newer small modular reactors can face economic challenges when operating below capacity because nuclear plants are expensive to build.

That creates a problem for AI data centers, where electricity demand can change rapidly as GPUs handle training workloads and user requests. Batteries can help smooth those fluctuations, but add another layer of cost.

Storing Heat Instead Of Cutting Reactor Output

TerraPower’s 345-megawatt Natrium reactor takes a different approach. Rather than quickly increasing or reducing the reactor’s output, it continues producing heat and stores excess energy in molten sodium.

When electricity demand rises, that stored heat can be used to generate additional steam and increase turbine output. This allows the reactor to keep operating efficiently while still responding to changes in demand.

The technology was originally designed to work alongside intermittent renewable sources such as wind and solar. For data centers, however, the same flexibility could help manage rapidly changing power demand.

By combining nuclear power’s high capacity factor with thermal energy storage, TerraPower aims to provide a more flexible source of electricity for large-scale AI infrastructure.

NERDs Replace FIRE As Young Workers Lose Confidence In Retirement

The FIRE movement promised younger workers a path to financial independence and early retirement. Now, a different group is emerging in the UK: NERDs, or the “Never Ever Retiring Demographic.”

Growing pessimism among Gen Z and millennials is driving the shift, with many questioning whether retirement will ever be financially achievable. Some are responding by reducing or abandoning pension contributions altogether.

Young Workers Are Losing Confidence In Retirement

Research from People’s Pension, a major UK workplace pension provider, found that 47% of Gen Z respondents aged 18 to 27 do not engage with their pension. Another 12%, equivalent to about 2.2 million young people, have stopped saving for retirement because they expect to work indefinitely.

Wider financial pressures are contributing to that outlook. High living costs have pushed milestones such as homeownership, marriage, having children and retirement further away for many younger workers, while inflation, layoffs and stagnant wages have added to uncertainty.

Pension Providers Face A Communication Gap

Financial pressure is only part of the problem. Young workers also say pension providers are failing to explain long-term saving in ways that feel relevant to them.

About 36% of respondents said providers do not explain retirement saving effectively. Among them, 27% said companies appear more focused on selling products than educating customers, while 16% cited complicated language and jargon.

A clear generational difference emerges in the responses. Some 29% of Gen Z respondents said providers fail to explain why pension saving matters, compared with 13% of Gen Xers and Baby Boomers. Similarly, 17% of Gen Z said providers do not use channels they engage with, versus 4% among older generations.

Clearer information could influence behavior. About 70% of Gen Z respondents said they would have started saving earlier if they had known that beginning in their 20s could potentially double their retirement pot compared with starting in their 30s. Another 63% said learning about tax relief and employer contributions motivated them to save.

“In a world where financial doom dominates pension conversations, young savers are tuning out,” said Kirsty Ross, proposition director at People’s Pension. “Our research shows they are not disengaged because they don’t care, they are disengaged because the messages aren’t working.”

Young Savers Want Simpler Tools

Progress bars and goal trackers were among the most popular tools respondents said could make pensions more relevant, cited by 31%. Another 26% wanted reassurance that they could start with small amounts, while 23% wanted examples of what people their age are doing.

Clear, bite-sized steps were cited by 22%, while 19% said light-hearted and relatable stories could make pensions more accessible.

People’s Pension has responded with Pension Drop, a campaign using social media influencers, live events and lifestyle personalities to encourage conversations about retirement saving.

“Looking back, I really wish I’d started earlier,” said Iain Stirling, comedian, TV presenter and Pension Drop ambassador. He said contributions made in someone’s 20s or 30s can make a significant difference later, while employer contributions and tax relief can increase the value of smaller payments.

Small Changes Can Improve Long-Term Saving

Stirling urged younger workers to check their pension provider, establish whether they have multiple pension pots and make sure they are contributing enough to receive the full employer match.

He also recommended increasing contributions after a pay rise or bonus, allowing workers to raise long-term savings without making a large immediate change to their spending.

For younger workers facing high living costs and uncertain career prospects, pension saving remains a difficult sell. Clearer information about employer contributions, tax relief and the long-term effect of starting early could help make retirement planning more tangible.

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