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The EERE Blog includes updates to current Office of Energy Efficiency and Renewable Energy (EERE) projects, interviews with energy experts, and success stories about EERE’s technology offices and national laboratories. Subscribe to the blog email list.

August 7, 2017
wind turbine blades at sunset
Installed Capacity vs. Energy Generation: What's the Difference?
Capacity is the maximum output of electricity that a generator can produce. Generation is the amount of electricity that is produced over a set time.
August 7, 2017
Wind turbines are soaring to record sizes. The average rotor diameter of turbines installed in 2016 grew to 354 feet, up 127 percent since 1998–1999 and 13% over the previous 5-year average. | National Renewable Energy Laboratory photo
Top 10 Things You Didn't Know About Wind Power
Get the details on a few of the lesser known wind energy facts.
August 3, 2017
Home air conditioning unit photo on top of a roof
5 New Air Conditioning Technologies to Keep You Cool
The U.S. Department of Energy is working on exciting new air conditioning technologies to greatly reduce energy use.
August 2, 2017
A picture of a house with solar panels and a woman holding a solar panel
4 Fast Facts about Solar Prosumers
Four fast facts that every solar prosumer should know.
August 1, 2017
ground source heat pump
5 Things You Should Know about Geothermal Heat Pumps
Geothermal heat pumps can heat, cool, and even supply hot water to a home by transferring heat to or from the ground.
July 26, 2017
Composite Manufacturing Technology
3 Emerging Student Technologies Solving Big Energy Problems
Student innovators across the country are pitching their ideas to industry leaders to solve some of energy's biggest challenges.
July 25, 2017
A look at a battery storage system inside a box.
Making Progress on Solar Energy Storage
The Energy Department is working toward maximizing the use of solar energy to produce electricity—even when the sun isn’t shining.
July 24, 2017
Stay Cool and Save Money All Summer Long
Tips to beat the heat and save money all summer.
July 24, 2017
EERE Success Story—New 3D Printing Aerospace Grade Carbon Fiber Method is Ahead of the Curve
A new 3D printing process is allowing researchers to write using carbon fiber-containing inks.
July 21, 2017
Snapping the Sun: 5 Tips for Capturing Compelling Solar Power Photos
Learn how you can take the best photos for the “Hit Me with Your SunShot” contest!
July 20, 2017
Photo of a 3D-printed submarine hull.
Navy 3D Prints First Submersible
Through a partnership with the Navy’s Disruptive Technology Lab, Oak Ridge National Laboratory created the military’s first 3D-printed submersible.
July 19, 2017
Map showing alternative fueling stations across the United States.
8 Online Tools to Help Save You Energy and Money
When it comes to improving energy efficiency, there are a lot of questions homeowners should ask first. Be sure that you are getting the biggest bang
July 17, 2017
Hawaii's McKinley Statue
3 Ways Hawaii is Becoming More Energy Efficient
Hawaii is making significant progress on energy efficiency. By 2030, the Aloha State wants to decrease its electricity consumption statewide by 30%.
July 13, 2017
A photo of 16 efficiency sensors
New Sensor Suitcase Slashes Power Bills for Commercial Buildings
This Sensor Suitcase is an easy-to-use, portable energy auditing system that can save small building owners up to 10% on their energy bills.
July 11, 2017
An aerial view of a solar neighborhood.
Peeling Back the Red Tape to Go Solar
Interconnection times vary widely across the U.S. and can take several months to complete. These SunShot awardees are simplifying the solar process.
July 7, 2017
Image of a student working at Solar Decathlon
Energy Jobs Inspired by the Solar Decathlon
The Energy Department is unveiling a new infographic that explores the range of jobs connected to the 10 contests that form the Solar Decathlon.
July 5, 2017
National Renewable Energy Laboratory
7 Things You Didn't Know about NREL
The National Renewable Energy Laboratory is celebrating 40 years of innovation. Here are 7 surprising projects that came from the lab.
July 3, 2017
algae surfboard blog post
Catch Waves with an Algae-Based Surfboard
As you head to the beach this year, you may find some new products at the surf shop, made of bioplastics from algae.
June 28, 2017
electric blog photo pump
Electric Vehicle Update: Charging Infrastructure Research
The U.S. Department of Energy (DOE) and its national laboratories have made significant advances in the research and development of electric vehicles.
June 28, 2017
geofluids well geothermal photo
In the Future, Your iPad Could Come from Geothermal: 3 Facts about Critical Materials
To improve technologies from the onset, the Geothermal Technologies Office is focusing on rare earths and critical materials recovery.
June 26, 2017
5 bioenergy daily uses
5 Everyday Products Made from Biomass: A Few May Surprise You
You likely use products made from biomass—organic plant, algae, and waste material—every day.
June 26, 2017
water photo blog large
5 Promising Water Power Technologies
Today more than 2,000 hydropower plants generate clean, reliable energy across America. Read about five water power technologies under research here.
June 20, 2017
wind blog water nrel
How Do Wind Turbines Survive Severe Storms?
Wind turbines need to protect themselves just as communities do during severe storms. Find out how wind turbines survive severe storms.
June 19, 2017
SURE House blog shore
Can this House Survive a Hurricane? It SURE Can!
The SURE House, winner of the U.S. Department of Energy Solar Decathlon 2015, was designed by the Stevens Institute of Technology.
June 16, 2017
Sunvapor Success Story Solar
EERE Success Story—Concentrating Solar Power Transforms Food Processing with Solar Steam
Sunvapor designed a solar collector to cut costs and optimize the supply chain by using less energy to manufacture the structural components.