The following table identifies the dates during which the agencies existed. This identifies the proposed scope for future development of the UCF collection; it does not identify current holdings.
The UCF Collection will not be developed as a comprehensive collection with regard to the three power administrations (Bonneville, Western Area, & Alaska) located outside of the southeastern United States.
| SUDOC | Years | Department/Agency | UCF COE? |
| E 1: | 1977- | Department of Energy | Yes |
| E 2: | 1977- | Federal Energy Regulatory Commission | Yes |
| E 3: | 1977- | Energy Information Administration | Yes |
| E 4: | 1977- | Economic Regulatory Administration | Yes |
| E 5: | 1977- | Bonneville Power Administration | No |
| E 6: | 1977- | Western Area Power Administration | No |
| E 7: | 1993-1995 | Alaska Power Administration | No |
| E 8: | 1995- | Southeastern Power Administration | Yes |
| E 9: | 1977- | National Renewable Energy Laboratory | Yes |
| E 10: | 1993?- | Office of Energy Efficiency and Renewable Energy | Yes |
| E 11: | 2000- | National Nuclear Security Administration | Yes |
| E 12: | 1999- | National Energy Technology Laboratory | Yes |
| ER 1: | 1975-1977 | Energy Research and Development Administration | Yes |
| FE 1: | 1974-1977 | Federal Energy Administration | Yes |
| FP 1: | 1920-1977 | Federal Power Commission | Yes |
| I 19: | 1927-1936* | Geological Survey (a few selected publications) | Yes |
| I 44: | 1937-1977 | Bonneville Power Administration | No |
| I 59: | 1943-1977 | Southwestern Power Administration | No |
| I 65: | 1950-1977 | Southeastern Power Administration | Yes |
| I 68: | 1967-1977 | Alaska Power Administration | No |
| PrEx 21: | 1973-1977 | Federal Energy Office | Yes |
*The dates listed for the Geological Survey indicate the dates of select publications included in the scope of the UCF Center of Excellence, not the full dates of the agency's existence.