Term

What is the traditional definition of energy security?

Definition

Reliable national access to energy supply, often framed at the nation-state scale and focused on cross-border fuel supply.

Term

How has energy security been expanded conceptually?

Definition

It now includes households, infrastructure resilience, extreme event preparedness, and social/ethical dimensions.

Term

What are the 4 A's of energy security?

Definition

Availability, Affordability, Accessibility, Acceptability.