NREL’s Renewable Energy Finance Team
NREL Renewable Energy Project finance team has analysis and tools to help support your renewable energy financing decisions.
NREL’s 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 that you specify as inputs to the model. You can use the tool to calculate hourly system performance.
DOE’s Guide For Procuring Solar for Federal Facilities
For federal entities considering solar systems, the DOE has created a document to help guide your decisions.
Database of Incentives for Renewables & Efficiency
This is a comprehensive source of information on incentives and policies that could support renewable energy at your facility.
Go Solar California!
California Energy Commission and California Public Utilities Commission campaign offering incentives and information on eligible equipment.
Local Governments for Sustainability USA (ICLEI)
Organization supporting local governments with renewable energy guidance (e.g. reducing barriers to solar), offering training and technical expertise.
NABCEP PV Installation Professional Resource Guide
Guide following the main topic areas in the NABCEP Certified PV Installation Profession Job Task Analysis.
National Solar Permitting Database
Free community-based compilation of solar permitting requirements in the U.S.
National Solar Radiation Database and other NREL solar resource data
Hourly solar radiation and supplemental meteorological data for the U.S. and its territories, 1961-2010.
NREL Cost of Renewable Energy Spreadsheet Tool (CREST)
Cash flow model designed to assess project economics, design cost-based incentives, and evaluate the impact of state and federal support.
NREL Guide to Insuring Solar PV
Report from 2010 on the challenges and solutions to insuring solar photovoltaics.
NREL PVWatts Calculator
Estimates the energy production and cost of energy of grid-connected PV systems throughout the world.
NREL RE Atlas
Interactive map of U.S. states, counties and districts by type of land (Federal, contaminated, etc.) and renewable resource potential.
NREL Solar Access to Public Capital
Working group in NREL Finance developing standard residential lease and commercial power purchase agreement contracts.
NREL Technology Performance Exchange
Centralized portal for energy performance data for commercial building technologies.
OpenEI’s Utility Rate Database
Free, community-edited utility rate repository for utilities in the U.S. listed by the EIA.
PC software package for the study, sizing, simulation and data analysis of PV systems.
Sandia National Laboratories PV Value
Beta version of a calculator for the energy production value of a residential or commercial PV system to a building.
Technical trade publication for the North American solar market, targeting engineers, installers, manufacturers, and business executives.
SunShot Resource Center
DOE SunShot Initiative resources including articles, case studies, fact sheets, how-to guides, model rules and ordinances, sample documents, technical report, tools, and webinars.