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Data and Tools

NREL develops data and tools to assess, analyze, and optimize integrated energy solutions. Many can be applied on a global, regional, local, or project basis, including several designed for the consumer or energy professional.

Featured Tool

Photo of a building’s rooftop with several rows of solar panels and other buildings in the distance.

Do You Need a Reason to Use the REopt Lite Tool? 

No cost. Little effort. Lots of results. Consider these reasons for using the REopt™ Lite tool to help integrate and optimize solar photovoltaic and battery storage systems for a commercial building.

Browse by Topic and Use

Community Solar Scenario Tool. User-guided tool exploring a range of financial scenarios to evaluate if a solar garden makes sense in your community.

Geothermal Prospector. Examine, distribute, and analyze geothermal resources and identify sites for geothermal development.

Job and Economic Development Impact (JEDI) Models. Analyze the economic impacts of constructing and operating power generation and biofuel plants at the local and state level.

Open PV Project. A collaborative effort among government, industry, and the public to compile a comprehensive database of PV installation data for the United States, providing PV system price and installed capacity data at the state level.

PVWatts®. Create hour-by-hour performance simulations that provide estimated monthly and annual energy production in kilowatts and energy value.

REopt™. Early screening tool that identifies and prioritizes renewable energy projects using site, resource, cost, incentive, and financial data

REopt Lite. Evaluates solar photovoltaics and battery storage at your site.  

RE Explorer. Provides renewable energy data, analytical tools, and technical assistance to developers, policymakers, and decision makers in developing countries.

Tribal Energy Atlas. Tribes and others can conduct their own analyses of installed energy projects and resource potential on tribal lands.

URBANopt. Use an advanced analytics platform for high-performance buildings and energy systems within one geographically cohesive area within a city (e.g., a city block or district).

Wind Prospector. Visualize data and analyze the potential for wind energy.

Wind Resource Maps. Maps and validation to help states and regions build capacity to support and accelerate wind energy deployment.

Cost of Renewable Energy Spreadsheet Tool (CREST). Economic cash flow model for assessing projects, designing cost-based incentives, and evaluating the impact of tax incentives or other support structures

Database of State Incentives for Renewables and Efficiency (DSIRE). Information on state, local, federal, and utility incentives and policies for renewable energy and energy efficiency

Energy Profiler. Summarize overall energy consumption and establish and visualize a preliminary baseline for energy reduction calculations

BEPTC™ and SROPTTC™ Project Development Model. Evaluate the risks and investment decisions required for successful renewable energy project development

State and Local Energy Data (SLED) Tool. Data on current electricity prices, policies and incentives, renewable energy resources, fuel costs, and more for a particular city and state or zip code

System Advisor Model (SAM). Performance and financial model designed to help estimate costs for grid-connected power projects

RE Explorer. Provides renewable energy data, analytical tools, and technical assistance to developers, policymakers, and decision makers in developing countries. 

BioFuels Atlas. Interactive map of locations where biomass feedstocks can be used for biofuels production

BioPower Atlas. Data map showing where biomass feedstocks can be used for power production

NREL Developer Network. Helps developers access and use energy data via Web services, including renewable energy and alternative fuel data

OpenEI. Open data platform that provides energy information and links data together

RE Atlas. Layered maps of basic renewable energy resource data

Regional Energy Deployment System (ReEDS). Optimize and visualize the build-out of U.S. electricity generation and transmission systems

Renewable Resource Data Center. Access an extensive collection of renewable energy resource data, maps, and tools

BeOPT. Evaluate residential building designs and identify the most cost-effective whole-house efficiency packages to achieve zero net energy

Climate Action Planning Tool. Get a quick, basic estimate of how various technology options can contribute to an overall climate action plan for a research campus

eQUEST. Detailed analysis of today's state-of-the-art building design technologies using the most sophisticated building energy use simulation techniques

OpenStudio. Find open source software tools to support whole building energy modeling and advanced daylight analysis

BESTEST-EX. Test the accuracy of energy audit software and calibration procedures for existing homes

Standard Work Specifications Tool. Know the industry standards for ensuring that work performed during energy upgrades in single-family homes is effective, durable, and safe.

Alternative Fueling Station Locator. Find alternative fueling stations near an address or ZIP code or along a route in the United States

Alternative Fuels Data Center. Get information, data, and tools to find ways to reduce petroleum consumption through the use of alternative and renewable fuels, advanced vehicles, and other fuel-saving measures

NREL Optimal Vehicle Acquisition (NOVA). Mathematical model creates an optimal vehicle acquisition strategy for a given goal, such as petroleum or greenhouse gas reduction

TransAtlas. Explore a map containing alternative fueling stations, concentrations of alternative fueled vehicles, and other related data

URBANopt. Use an advanced analytics platform for high-performance buildings and energy systems within one geographically cohesive area within a city (e.g., a city block or district).