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Q&A

Eric Dresselhuys, CEO of ESS, Makes the Case for Iron-Flow Batteries

An interview about the politics of energy storage — and whether different technologies can help

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Eric Dresselhuys
Heatmap Illustration

While in Anaheim for RE+ last week, I met with Eric Dresselhuys, CEO of long duration iron-flow battery storage manufacturer ESS Inc. We chatted about battery fires, community buy-in, and the future of China policy. I came in expecting optimism and left feeling we need a lot more conversations like this one.

The following is an abridged version of our conversation that has been edited for clarity.

How does your product address the opinion that battery storage has a buy-in problem?

It’s not so much an opinion as just reporting the obvious, which is that lithium-ion batteries on the grid have a buy-in problem. Maybe if you’re in rural western Australia nobody cares because there are no human beings around, but if you look at the need for energy storage to facilitate the energy transition, it’s pretty clear we have to put batteries all over the place and specifically close to where human beings live. And that’s a problem.

Can iron-flow help solve that problem? I think unequivocally we can. It’s a very different architecture. It’s a battery that’s really designed from the beginning to operate as a grid backup battery. If you go back to look at lithium, it was never designed to go onto the grid. It was designed to go into camcorders, phones. This is not the technology I think anybody would’ve picked for the grid if they had started from scratch.

Are you seeing any change in demand for your product from protests over lithium battery projects?

I think it’s the old gag of all politics are local. The politics of siting is a local problem. What’s simultaneously true is adoption of storage on the grid is growing at a phenomenally high rate. And yet there are stories [about opposition] all over the place. There was just one up in Marin County, California, where the community said it’s in an area adjacent to wetlands. And they said you know what? We’re just not going to put a–

But are these communities opposed to lithium storage actually choosing iron-flow over these projects, or are they just saying no to any development?

Right now, they’re just saying no. The communities are not going to solve the problem. They’re going to tell you what is unacceptable and it’s going to be somebody else’s job to solve the problem.

I’ll use Schiphol Airport in Amsterdam [as an example]. They said, we have thousands of gallons of jet fuel laying around. And people. And airplanes. We can’t put a lithium battery out here. So they’re using an iron-flow and sought out a non-lithium battery to solve their energy storage problems because it was safer.

China policy looms large over the future of U.S. battery supplies. What do you think the final endgame will be of our approach to China’s dominance in this business segment?

It’s a great question that I don’t think I know the answer to. I think the next step is to try and get the playing field somewhat level. The amount of subsidy that goes into renewables in general and batteries in particular in China is daunting. People talk about the IRA and all these things as if it’s a lot of money, but it’s a pittance compared to what China is putting in.

Getting the playing field a little more level in the short term through a combination of incentives here and tariffs coming on will be a next step. Until we get carbon accounting — cradle-to-grave carbon accounting — it’ll be hard to get things totally level because in the U.S. we enforce environmental laws and we don’t employ prison labor to build [these] things. Until we get that full ESG accounting, I think there’s going to be some limitation.

Okay one fun question – what was the last song you listened to? Keeping ‘em honest here at Heatmap News.

“Impossible Germany” by Wilco.

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Q&A

GoodPower Is Sussing Out What People Actually Want from Data Centers

Talking with Leah Qusba, the CEO of GoodPower.

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Leah Qusba.
Heatmap Illustration

This week’s conversation is with Leah Qusba, CEO of GoodPower, which recently released a survey experiment you need to read. Conducted with Data for Progress, the project, published Monday, takes a unique approach to asking people why they opposed data centers for artificial intelligence and whether constructing renewable energy instead of gas power moves the needle at all in their support for AI infrastructure near them. Instead of just asking polling questions, they posed various hypothetical project designs to people — and the results were eye-popping. Turning to solar instead of gas? Might not be a panacea for gaining approval at the local level. Protecting electricity rates from going sky-high? Now that’s a way to get buy-in.

The following conversation was lightly edited for clarity.

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Hotspots

A First-Of-Its-Kind State of Emergency — Over a Permitting Pause

And more of the week’s top fights around development.

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The United States.
Heatmap Illustration/Getty Images

1. Umatilla County, Oregon – A small town in Oregon this week declared a state of emergency over fears that a statewide pause on data center permits will harm its economy.

  • Five of the six people on the Umatilla city council voted to adopt a resolution formally calling for a state of emergency “due to the threat of widespread financial loss.” Umatilla City Manager Dave Stockdale told the council before the vote that the data center pause enacted by Governor Tina Kotek puts millions in tax revenue at risk. Other city staffers told the council that current budget reserves are healthy, but this could complicate a bond for a new police station and delay executing their city’s master plan.
  • Umatilla is home to more than 20 data center projects currently operating or under development, equal to roughly one-fifth of the state’s data center sector. Oregon law expressly grants cities and towns permission to declare a state of emergency over “financial loss.” And the Umatilla resolution is a clear legal threat; its text calls for “immediate reconsideration” of Governor Kotek’s directive pausing data center permits and “authorizes the city manager to coordinate with affected governments and legal counsel to pursue appropriate administrative and judicial remedies.”
  • To the best of our knowledge, this is the first time a municipal government has threatened legal action or declared a state of emergency over a state-wide permitting pause against data center development. It goes to show that what comes around goes around.

2. Saratoga County, New York – Is Trump’s country music superstar-turned-power-project combatant John Rich preparing to debut a new song about solar farms, or something more?

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Spotlight

The Most Important Data Center Election You’ve Never Heard Of

The race for the top job in McCracken County, Kentucky, might hinge on the importance of a community benefit agreement.

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Paducah, Kentucky figures.
Heatmap Illustration/Library of Congress, U.S. Department of Energy

An election-season battle is brewing over what could be the nation’s first massive data center operating on federal land. And you almost certainly have never heard of it.

Come with me to McCracken County, Kentucky, just outside its largest city, Paducah, where the Energy Department is allowing new development at a large brownfield property. First constructed in the 1950s, the Paducah Gaseous Diffusion Plant was once the country’s only uranium enrichment facility, but it closed in 2010. Since then, and after years of cleanup, Paducah city officials and the McCracken County government have sought to revitalize and reindustrialize the site.

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