The Code of Federal Regulations is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the United States Federal Government.

Title 18 presents regulations governing the Department of Energy and other agencies overseeing the conservation of power and water resources. Agencies covered include: the Water Resources Council, the Tennessee Valley Authority, and other similar agencies. This title includes the Federal Power Act, Public Utility Regulatory Act, Natural Gas Act, Power Plant and Industrial Fuel Act, and the Interstate Commerce Act.

The Code of Federal Regulations is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the United States Federal Government.