How Radiant and Heron Are Rethinking Power Generation and Delivery
The a16z Show Podcast Recap
Published:
Duration: 49 min
Guests: Doug Bernauer, Drew Baglino
Summary
The episode explores how Radiant and Heron are innovating in power generation and delivery to overcome current bottlenecks in the US electricity grid. With rising electricity demand, they focus on portable nuclear reactors and solid state power electronics to enhance scalability and efficiency.
What Happened
The US electricity grid is facing bottlenecks, not from a lack of power generation, but from delivery constraints. With electricity demand climbing due to data centers, electrified transport, and reshoring, the need for innovative solutions is critical. Doug Bernauer and Drew Baglino are leading the charge with their respective companies, Radiant and Heron, to address these challenges.
Doug Bernauer, founder and CEO of Radiant, is developing portable micro nuclear reactors. These trailer-sized reactors are designed for quick deployment and are particularly competitive in regions with high diesel costs, such as Hong Kong and Scandinavia. Radiant plans to produce up to 50 reactors annually, targeting niche markets rather than mass production.
Drew Baglino, founder and CEO of Heron, is focusing on solid state power electronics to enhance the scalability and affordability of electric generation. Heron's flagship product, Heronlink, is a 5 megawatt bi-directional solid state transformer that offers higher efficiency and smaller size compared to traditional mechanical systems.
The US grid has seen little innovation compared to other sectors, and past energy efficiency gains masked the need for investment. There's a growing recognition of nuclear energy's importance, with several companies poised to have new reactor designs operational soon. Radiant's reactors are described as safe and waste-free, with on-site storage capabilities for nuclear waste in dry casks for up to 60 years.
Data centers play a key role in stabilizing the grid with modern power electronics and dynamic grid-forming controls. They are ideal customers for utilities due to their constant power consumption, which could help lower electricity rates. The US has seen significant power additions to the grid recently, with expectations for even higher increases this year.
A16Z's energy investment thesis focuses on decentralization, software-driven workflows, and resiliency. This aligns with the efforts of Radiant and Heron, who are leveraging advanced technologies to create decentralized and resilient energy solutions. The podcast highlights the need for competitive free markets for nuclear fuel and centralized waste storage facilities.
Radiant and Heron both started as spin-offs from experiences at SpaceX and Tesla, where Doug Bernauer and Drew Baglino previously worked for Elon Musk. Their efforts represent a move towards building nuclear reactors as products, aiming for safe, efficient, and waste-free energy solutions. This approach is expected to transform the nuclear industry by standardizing production and reducing costs.
Key Insights
- Electricity demand in the US is rising for the first time in decades, driven by data centers, electrified transport, and reshoring. This increase highlights the importance of addressing grid delivery bottlenecks.
- Radiant's micro nuclear reactors are designed to be portable and rapidly deployable, providing a competitive alternative to diesel in regions with high fuel costs. The company plans to manufacture up to 50 reactors a year, focusing on niche markets.
- Heron's development of solid state power electronics, such as the Heronlink transformer, seeks to improve the efficiency and scalability of electric power generation and delivery, moving away from outdated mechanical systems.
- Nuclear energy is gaining recognition as a crucial component of future power generation, with several companies expected to have new reactor designs operational soon. Radiant's reactors offer a model for safe, waste-free operation with on-site waste storage.