Exponential View

Exponential View

🔮 The case for radical solar optimism

No strait, no problem

Azeem Azhar and Hannah Petrovic
Mar 12, 2026
∙ Paid
Source: Copernicus Browser

The Strait of Hormuz is just twenty-one miles at its narrowest, shorter than a morning commute in most cities. Through it flows a fifth of the world’s oil. When it closed last week, it knocked 20 million barrels a day off global supply, roughly the equivalent of the next five biggest oil shocks combined. The price of a barrel crossed $100 in days. That is what a civilization hostage to scarcity looks like.

Electricity grids moved past oil a generation ago. But there are two billion internal combustion engines on the roads that still run on a depletion curve that gives less the more you extract, shaped by geology and chokepoints and cartel politics. The current scale makes it look permanent, but it’s not.

That’s because energy now sits on two curves and they move in opposite directions. Oil follows depletion – extract more, get less, pay more. Solar follows learning – make more, get cheaper. Every doubling of cumulative production over the past fifty years has …

This post is for paid subscribers

Already a paid subscriber? Sign in
© 2026 EPIIPLUS1 Ltd · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture