Reletter
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Volts

David Roberts, Samuel R (Volts team)
Thousands of paid subscribers

A newsletter, podcast, & community focused on the technology, politics, and policy of decarbonization. In your inbox once or twice a week.

Platform
Substack
PricingFreemiumPublishesDaily
Issues549Founded6 years agoLast Issue5 days ago
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Latest Issues

Another bipartisan housing miracle, this time in Idaho

Last year I did a pod on Montana’s surprising burst of bipartisan housing legislation. Turns out Idaho was watching. This year its legislature passed six housing bills of its own (two others failed). Republican state Sen. Ben Toews and Demo...

5 days ago
33
3

Grid cybersecurity: how big is the threat & what should we do about it?

Could the US grid be brought down by Chinese hackers? To find out, I talked with Patrick Miller, who helped write the cybersecurity rules for the bulk power system and became the first person with federal authority to enforce them. We get i...

10 days ago
38
4

What should state policymakers do about data centers?

State legislatures are writing data center rules faster than they can verify the demand forecasts underneath them. Fifteen states accounted for 80 percent of data center electricity demand in 2023, a single hyperscale campus can arrive as 1...

12 days ago
41
7

Best of July 2026

Highlights from the eight conversations released last month.

Volts published eight conversations in July — with two Minnesota utility regulators, a Spokane city council member, a Hawaii state senator, a co-founder of a battery materials co...

15 days ago
41
10
Paid

Silicon anodes for batteries unlock greater energy density and faster charging times

Materials in lithium-ion battery cathodes have continuously evolved since the 1990s, but anodes have stubbornly remained graphite. Now, finally, there’s some innovation on that side: silicon anodes, which engineers have struggled to master...

17 days ago
50
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Authors

The writers behind this newsletter.

  • David Roberts

    Raised in Tennessee; live in Seattle. 1 cat, 2 dogs, 2 kids, 1 wife.

  • Samuel R (Volts team)

    Environmental sustainability / climate professional, also building community & business @ Volts!

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