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Grid Brief

Fossil fuels, renewables, nuclear, and the grid. Read by investors, executives, engineers, policymakers, and more.

Featured Deep Dives

Nov 12, 2025

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6 min read

Wednesday Watts: Batteryland

Grid-scale batteries are sprouting up across the U.S., quietly reshaping how the grid handles demand, disasters, and decarbonization—whether the market wants them or not.

Marc Oestreich

Oct 20, 2025

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6 min read

Deep Dive: Puerto Rico’s Grid Reboot

After decades of political control and blackout after blackout, Puerto Rico’s grid is finally being rebuilt — and this time, physics and markets might win... let's hope.

Marc Oestreich

GridBrief Explains: The Great Cable Swap

Oct 10, 2025

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2 min read

GridBrief Explains: The Great Cable Swap

Why the future of the grid depends on better wires, not bigger plans.

Marc Oestreich

Jul 22, 2025

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3 min read

GridBrief Explains: Windfarm Mechanics

Why Some Turbines Don’t Spin—and Why That’s the Point

Marc Oestreich

Briefings

Wright at INL // AI Load Surges // PJM Grid Warning // States Go Nuclear

Dec 11, 2025

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7 min read

Wright at INL // AI Load Surges // PJM Grid Warning // States Go Nuclear

Washington talks resilience, states build nuclear, and AI load moves faster than the interconnection queue can keep up.

Marc Oestreich

Trump Targets AI Power Costs // Exxon + NextEra’s 1-GW Build // INL Picks Its First Reactor Experiments

Dec 9, 2025

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8 min read

Trump Targets AI Power Costs // Exxon + NextEra’s 1-GW Build // INL Picks Its First Reactor Experiments

Washington steps into the data-center energy fight, Exxon joins the hyperscaler arms race, and INL greenlights the next wave of advanced reactor experiments.

Marc Oestreich