Power Five News

Never found root cause

Loss of synchronism

Cascading failure (like something went wrong and the recovery procedure had an issue that made it worse)

Strain on electrical/transmission infrastructure principally caused by renewable energy sources

Renewables made the grid less stable

Low or insufficient inertia

Battery storage

The cause didn't originate in Spain (was propagated by EU grid)

Bad weather

Intended infrastructure damage (cable cut, bomb, etc)

It's declared a cyber attack

Cyber attack & Russia-funded

Accidental infrastructure damage (fallen tower, wildlife, etc)

Cyber attack & independent group

"Intern plugged wrong cable"

NO

YES

YES

Other

No one (regime change, system change) = no Supreme Leader

Mojtaba Khamenei

Hashem Hosseini Bushehri

Ongoing “interim” arrangement / power-sharing structure.

Alireza Arafi

NO

6

7

Below 6

YES

YES

NO

YES

YES