Depending on how experienced you are performing life-cycle cost analyses, you may need additional information about the life-cycle cost methodology, about the Building Life-Cycle Cost Program, or about alternative financing in the Federal Government. The following web sites offer a wealth of information on topics related to energy and water conservation and renewable energy projects.
Department of Energy, Federal Energy Management Program (DOE/FEMP) https://www.energy.gov/eere/femp/building-life-cycle-cost-programs offers information on LCC-related publications and software.
Office of Management and Budget OMB Circular A-94, which offers guidelines on projects that are not primarily energy or water conservation projects, can be downloaded from https://www.whitehouse.gov/omb/information-for-agencies/circulars/.
National Institute of Standards and Technology, Engineering Laboratory, Applied Economics Office https://www.nist.gov/el/applied-economics-office.