From: Substack - Scott Grout
By: Scott Grout
Date: June 7, 2026
The Four-System Problem
The true cost of displacing nuclear with wind and solar, counted completely and honestly for the first time
The Undeclared Bet
There is a distinction in energy policy between what is stated and what is revealed. No serious energy agency officially claims that wind and solar alone can power a modern economy. The IEA’s own Net Zero pathway reserves a meaningful role for nuclear, and academic literature on deep decarbonization consistently identifies firm, dispatchable power as an irreducible requirement. And yet since 2000, the United States and Europe have added roughly 930 gigawatts of wind and solar nameplate capacity while simultaneously decommissioning approximately 50 gigawatts of nuclear — firm, zero-carbon, always-on power that no wind turbine or solar panel can replicate. More than a dozen U.S. states have enshrined “100% clean energy” mandates in law, with the operative definition pointing explicitly to wind and solar. Not a single Western nation is building nuclear at a pace that would maintain, let alone expand, its share of the grid. In economics, the term for this is revealed preference: what you actually do tells the truth that your stated intentions cannot.
The West has decommissioned 50 gigawatts of nuclear since 2000 while adding 930 gigawatts of wind and solar nameplate — by default, wind and solar are our decarbonization policy
Judged by twenty-five years of capital allocation, permitting decisions, and legislative mandates, the West has not been pursuing a diversified clean energy transition. It has been making an undeclared bet — enormous in scale, unproven at full deployment, and structurally dependent on a gas backstop nobody wants to acknowledge — that wind and solar are, in fact, the whole answer. (continue reading)