The future of energy is local
The clean-energy revolution is bigger than anyone realizes.
Small-scale solar and batteries are rewriting a $2-trillion industry from the outside in — driven by data, not hype.
330kW
solar canopy — the Kendeda Building, Georgia Tech, Atlanta
As seen & heard on
What’s new
Recent Updates and News
Bill’s most recent talks, interviews, and press coverage.
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How Atlanta and Georgia can become the energy tech capital of the world: Bill’s Atlanta Tech Week talk.
At Atlanta Tech Week I made the case that $4.6 trillion of energy tech investment is already contracted, that Georgia is one of the few places that can…
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When will my robot fold my laundry? My RoboGeorgia 2026 keynote.
At the RoboGeorgia Summit I argued the bottleneck in physical AI is not compute, it is judgment and dexterity. And that Georgia, with more kinds of real-world deployment…
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Harvard Business School interviews Bill Nussey on the real future of AI data centers
Harvard Business School asked me where the electricity to run the AI boom is going to come from. My answer: the alarm is warranted, the pessimism is not.
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The numbers
The state of the energy transition
The data behind the revolution — every figure sourced in our Math & Facts.
Bill’s TED Talk
The future of energy is local
25K
views and counting — a talk that’s become a calling card for the local-energy movement.
The people
The visionaries behind the breakthroughs
From the installers on the roof to the icons who rewrote whole industries — the clean-energy revolution is a human story.
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The installers
Renovus Solar — local rooftops
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The entrepreneurs
Bringing power to off-grid Africa
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The builders
Utility-scale teams
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The pioneers
Edison and the originals
The essential read
Freeing Energy
How innovators are using local-scale solar and batteries to disrupt the global energy industry from the outside in. Bill Nussey takes readers to mud huts in Africa, off-grid farms, and the front lines of the clean-energy revolution.
Start here
Energy 101
Clear, jargon-free explainers on how energy really works.
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Understanding the basics of electricity by thinking of it as water
Part of our Freeing Energy 101 series: a basic introduction to electricity. The article uses water as an analogy to explain voltage, current, resistance, AC, DC, power, and energy.
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An acre of solar is 73x more efficient than corn ethanol for cars
As each of the 50 US states adopt varying degrees of solar and wind, how does this affect their retail electricity prices?
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Excerpt from the Freeing Energy book: the Five Orders cleantech innovation framework
An excerpt from Chapter 5 in the book Freeing Energy, Pattern of Innovation. What is the Five Orders innovation strategy framework?
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