Solar Photovoltaic System Design Tools
U.S. Department of Energy NREL program’s In My Backyard (IMBY) Calculator is now a part of the new PV Watts link below.
This tool allows homeowners, businesses and researchers to estimate the amount of electricity they can produce using a solar photovoltaic (PV) system or a wind turbine.
NREL’s PVWatts Site Specific Data Calculator
This tool uses hourly typical meteorological year (TMY) weather data and a PV performance model to estimate annual energy production and cost savings for a crystalline silicon PV system.
NREL System Advisor Model (SAM)
SAM makes performance predictions and cost of energy estimates for grid-connected power projects based on installation and operating costs and system design parameters.
HelioScope is an advanced cloud-based PV system design tool that simplifies the proposal-making process by integrating system design and performance modeling.
PVsyst is a PC software package for the study, sizing, simulation and data analysis of complete PV systems.
Expedited Permit Process for PV Systems