The Story of Deep Isolation: Building the Future of Nuclear Waste Disposal

Growing up in Berkeley, California in a household split between scientific pragmatism and environmental activism, Elizabeth Muller didn’t realize she was being prepared to tackle one of the world’s most intractable environmental challenges. In a recent episode of Category Visionaries, Elizabeth shared how these seemingly contradictory influences shaped Deep Isolation’s mission to revolutionize nuclear waste disposal.

When Environmental Activism Meets Nuclear Science

“As a kid growing up here, I didn’t realize that Berkeley was as strange as I now recognize that it is,” Elizabeth recalls. “We sort of laughingly called it berserkly, but had a real bent towards the environment, had a real bent towards doing things that are good for the world. That’s sort of part of my DNA.”

But Elizabeth’s upbringing wasn’t just about environmental activism. “I also grew up with a professor of physics and a businesswoman as my parents. So I got the Berkeley, but I also got the more mainstream type of perspective. And this came to a clash many times in my life, particularly with regards to nuclear power.”

This tension between environmental concerns and scientific solutions would later become the foundation for Deep Isolation’s approach to one of the nuclear industry’s biggest challenges.

Tackling the Unsolved Problem

The nuclear waste disposal challenge has stumped governments and industries worldwide. As Elizabeth explains, “As of today, nobody in the world has ever successfully disposed of spent nuclear fuel or high level waste.” While some countries like Finland and Sweden are making progress, it remains an unsolved problem that’s holding back the adoption of nuclear power – a crucial tool for addressing climate change.

“I believe we must have nuclear power if we’re going to address climate change,” Elizabeth states. “And this unsolved nuclear waste problem is preventing that from happening. It is the number one reason that people oppose nuclear power.”

Breaking Through Industry Skepticism

Deep Isolation’s journey hasn’t been a straight line. The company has had to navigate both technical challenges and deep-seated industry skepticism. The conventional approach to nuclear waste disposal involved massive mined repositories – essentially large underground mines where waste could be stored. But this approach faced significant challenges.

“The challenges with that is that nobody wants it in their backyard,” Elizabeth explains. “So where are you going to put this mine repository? How are you going to get the waste to the mine repository? And then the cost of it is such that really you can only have at most one, or maybe if you’re a big country, two per country.”

Transforming Opposition into Opportunity

Instead of seeing community opposition as an insurmountable obstacle, Deep Isolation turned it into an opportunity to demonstrate their different approach. Their solution focuses on deep boreholes and micro repositories, offering a more flexible and potentially more acceptable alternative to traditional methods.

This approach has resonated with communities because it offers tangible benefits beyond just waste storage. As Elizabeth points out, their solution can “get rid of that waste, can get it off the ground, can get it deep underground where it’s completely isolated, and then you can greenfield the site where the waste was.”

The Road Ahead

Looking to the future, Deep Isolation is focused on moving from demonstrations to actual disposal. “Where we are right now, we are working on demonstrations,” Elizabeth shares. “We already have initial contracts with governments. We’ve gone in, we’ve looked at their waste inventory. We’ve looked at how we could dispose of it and the cost benefit of doing that.”

Their three to five-year vision is clear: “We would like to have a first disposal opportunity, concrete r1 location where we can begin putting waste into the deep underground.” This would make them the first company in the world to successfully dispose of high-level nuclear waste, potentially unlocking a new era of nuclear power adoption.

When asked why she chose to tackle such a massive challenge, Elizabeth’s response reveals the ambition driving Deep Isolation: “If it’s a small problem, somebody else can do it. But if it’s a big problem and nobody else is trying to tackle it… that’s where you have the chance to really change the world.”

This combination of environmental mission and scientific innovation, rooted in Elizabeth’s Berkeley upbringing, might just be what the nuclear industry needs to overcome its biggest challenge and help unlock a cleaner energy future.