U.S. Department of Energy - Energy Efficiency and Renewable Energy

Federal Energy Management Program

Renewable Energy Case Studies

Photo of photovoltaic arrays in front of a red mountain with a blue sky backdrop.

Federal agencies often turn to photovoltaics for energy, like this National Park Service deployment.



Photo of a man standing a long row of U-shaped solar mirrors.

The Federal Correctional Institution in Phoenix, Arizona, uses solar technologies to heat water for facility use.

The following case studies provide complete information on renewable energy projects at Federal facilities. Application briefs summarizing Federal renewable energy projects are also available.

The following documents are available as Adobe Acrobat PDFs. Download Adobe Reader.

  • Using the Sun for Hot Water and Electricity: Integrated solar thermal/photovoltaics provide hot water and electricity for the U.S. Marine Corps Camp Pendleton training pools (PDF 343 KB).

  • Electrifying Pinnacles: Photovoltaics provide electrical services to Pinnacles National Monument in an environmentally sensitive area (PDF 183 KB).

  • Energy-Efficient Retrofits at the Carl Hayden Visitors Center: Bureau of Reclamation retrofits the Carl Hayden Visitors Center to save energy, water, and money (PDF 1.7 MB).

  • Heating Water with Solar Energy Costs Less at the Phoenix Federal Correctional Institution: Large solar thermal system costs less than buying electricity to heat water (PDF 704 KB).

  • Joshua Tree and Mojave Go Solar: Using renewable energy lowers operating costs and dramatically reduces harmful emissions (PDF 151 KB).

  • New National Conservation Training Center a Model of Energy-Efficient Design: The U.S. Fish and Wildlife Service builds in energy efficiency, cost-effectiveness, sustainability, and aesthetics (PDF 227 KB).

  • Renewable Energy at Channel Islands National Park: Hybrid wind/photovoltaic project protects pristine resources (PDF 212 KB).

  • Showering with the Sun at Chickasaw National Recreation Area: Unobtrusive, cost-effective solar water heating provides hot showers to Buckhorn Campground visitors (PDF 211 KB).

  • Solar is Saving Energy for the Alfred A. Arraj U.S. Courthouse: Building-integrated photovoltaics provide electricity while meeting Federal renewable energy goals (PDF 949 KB).

  • A Solar Success Story at Moanalua Terrace: Rooftop solar systems prove to be an environmentally and economically sound choice for heating water at Navy housing (PDF 354 KB).

  • Renewable Energy Projects at NREL: Multiple renewable energy projects at the National Renewable Energy Laboratory (NREL) help meet Department of Energy goals (PDF 190 KB).

  • TEAM Initiative Renewable Energy Projects Take Shape: Overview of renewable energy projects undertaken by the Department of Energy as part of its Transformational Energy Action Management (TEAM) Initiative (PDF 80 KB).

Application Briefs

Photo of a long, brown office building standing in front of a street with several cars stopped at a traffic building.

The Department of Energy Forrestal Headquarters Building features a rooftop photovoltaic array that provides 8% of the building's electricity needs.

The examples below provide brief descriptions of completed renewable energy projects at Federal facilities. Each summary provides background about the project, as well as initial investment, payback period, and cost and energy savings if available.

FEMP You Have the Power Campaign materials and the FEMP Focus newsletter are additional resources for information on completed renewable energy projects at Federal facilities.