Note: Single-source report; awaiting corroboration.

Energy sources are defined as materials, processes, or systems that generate usable power for human activities, each with traits related to availability, efficiency, and economic viability.

Geothermal energy is a vast, largely untapped renewable resource, characterized by heat beneath the Earth's surface. It is recognized for its potential to deliver clean energy throughout the United States.

For oil, the Energy Department focuses on ensuring both domestic and global supplies remain environmentally sustainable. This includes managing emergency petroleum stockpiles to support energy reliability.

The Energy Department's efforts show a commitment to providing clean and reliable energy to meet the nation's energy, environmental, and economic needs.

These insights highlight the diverse roles energy sources play within the U.S. energy landscape.