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Renewable Energy Maps and Tools

The interactive FEMP Screening Map shows areas of environmental concern, land ownership, and land cover across the United States. It also shows renewable energy resources and economic calculations for photovoltaic, solar ventilation preheating, and solar water heating technologies.

The interactive FEMP Screening Map shows areas of environmental concern, land ownership, and land cover across the United States. It also shows renewable energy resources and economic calculations for photovoltaic, solar ventilation preheating, and solar water heating technologies.

To help agencies assess the viability of on-site renewable energy projects, the Federal Energy Management Program (FEMP) offers a variety of renewable energy resource maps and screening tools. Renewable energy is available throughout the United States, but varies greatly depending on location and microclimate. Before an agency initiates a renewable energy project, it must measure and verify the local resources.

The following renewable energy resource maps, calculators, and screening tools are a good place to start, but an expert must be consulted for a professional evaluation before a renewable energy project is implemented.

  • FEMP Screening Map: Interactive map examines the viability of three solar technologies in the United States with a high-level annualized economic calculation, with and without potential savings from available renewable energy incentives at the state and federal levels. The tool suggests technology costs, calculates performance data, and calculates the economic value, such as levelized cost of energy (dollars per kilowatt-hour), of a project using geospatial site data.
  • NREL Renewable Energy Maps: Collection of maps from the National Renewable Energy Laboratory (NREL) detail renewable energy resources across the United States, including biomass, geothermal, hydrogen, marine and hydrokinetic, solar, and wind. International maps are also available.
  • PVWatts Calculator: Estimates the energy production and cost of energy of grid-connected photovoltaic (PV) energy systems worldwide to easily develop estimates of the performance of potential PV installations.
  • NREL Renewable Energy Optimization (REopt) Tool: Identifies and prioritizes renewable energy projects at a single site or across a portfolio of sites in multiple cities, states, or countries, each with its own energy requirements, resources, goals, and constraints.
  • REopt Screening Analysis: This service is available to FEMP or NREL clients. The analysis uses the REopt tool to identify potential renewable energy opportunities for single or multiple sites. To conduct a REopt prescreening analysis, download the Excel file, complete the fields, and email it to NREL with "Request for REopt Prescreening Analysis" in the subject line. NREL will contact you within 3 business days to confirm receipt of data and to discuss the schedule for analysis results.