Franklin D. Kramer has written:

'Transatlantic cooperation for sustainable energy security' -- subject(s): Energy policy, International Security, Security, International

Energy security refers to the reliable and sustainable access to energy resources, ensuring a stable supply for a nation's economic and social development. It involves safeguarding against disruptions, diversifying energy sources, and promoting efficiency. In an era of growing global energy demand and geopolitical uncertainties, achieving energy security is paramount. It's a comprehensive strategy that balances environmental sustainability, affordability, and resilience, ultimately safeguarding a nation's energy future.

to keep us safe

sheet on energy national strategies for Greece 2012

Yes, they are both needed for energy security and for economic development. They are complementing each other.