But in the summit declaration, the call on Iran to respect freedom of navigation in the Strait of Hormuz was the lone reference to energy. Here is what that would mean in practice for Europe’s energy policy. ADIn May, I argued that energy produced at home carries a sovereignty premium — a strategic value beyond its market price. Energy storage and grid hardening belong in that category. Energy has been used as a weapon against Europe twice in four years, and it will be again.