| Deputy Secretary of Energy |  | |
|---|---|---|
| Under Secretary of Energy for Infrastructure | Office of Cybersecurity, Energy Security, & Energy Response | |
| Under Secretary of Energy for Nuclear Security | ||
| Under Secretary of Energy for Science and Innovation | ||
| Assistant Secretary of Energy for Nuclear Energy | ||
| Power Marketing Administration | ||
| National Laboratory System | ||
| Energy Department Facilities and Reservations | ||
| Related Independent Agency | ||