Solar energy for single-family and multifamily housing units

It is the purpose of this section to promote and extend the application of viable solar energy systems as a desirable source of energy for residential single-family and multifamily housing units. In carrying out subsection (b), the Secretary shall take such steps as may be necessary to encourage the installation of cost-effective and economically feasible solar energy systems in housing assisted under the programs and activities referred to in such subsection taking into account the interests of low-income homeowners and renters, including the implementation of a plan of action to publicize the availability and feasibility of solar energy systems to current or potential recipients of assistance under such programs and activities. The Secretary shall, in conjunction with the Secretary of Energy, transmit to the Congress, within eighteen months after October 31, 1978, a report setting forth—