A Photovoltaic System Payback Calculator | Zendy

Daniel Riley | Zendy; J. G. Fleming | Zendy; Gerald Gallegos | Zendy

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A Photovoltaic System Payback Calculator

Author(s) -

Daniel Riley,

J. G. Fleming,

Gerald Gallegos

Publication year - 2016

Language(s) - English

Resource type - Reports

DOI - 10.2172/1259560

Subject(s) - payback period , photovoltaic system , calculator , renewable energy , roof , net present value , valuation (finance) , environmental economics , engineering , operations management , computer science , business , finance , electrical engineering , civil engineering , operating system , economics , production (economics) , macroeconomics

The Roof Asset Management Program (RAMP) is a DOE NNSA initiative to manage roof repairs and replacement at NNSA facilities. In some cases, installation of a photovoltaic system on new roofs may be possible and desired for financial reasons and to meet federal renewable energy goals. One method to quantify the financial benefits of PV systems is the payback period, or the length of time required for a PV system to generate energy value equivalent to the system's cost. Sandia Laboratories created a simple spreadsheet-based solar energy valuation tool for use by RAMP personnel to quickly evaluate the estimated payback period of prospective or installed photovoltaic systems.

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