Energy Efficiency and Renewable Energy Network

The Energy Efficiency and Renewable Energy Network are a comprehensive resource centre for the US Department of Energy. The organisation boasts access to over 80,000 documents and resources on topics ranging fRrom energy efficiency to renewable energy.

Energy efficiency

The Energy Efficiency and Renewable Energy Network‘s main goal is to educate the public on issues surrounding energy efficiency and renewable energy. Read on as Selectra explores the Energy Efficiency and Renewable Energy Network

Building envelope

The building envelope includes everything that separates the interior of a building from the outdoor environment, including the windows, walls, foundation, basement slab, ceiling, roof, and insulation.

Space heating and cooling

Energy-efficient heating and cooling of buildings are aided through the use of automated controls, ventilation, improved duct systems, and advanced technologies.

Water heating & lighting systems

Energy-efficient water heating combined with water-efficient appliances and fixtures will save water, energy, and money. Compact fluorescent light bulbs and other efficient lighting technologies save energy and money.

Office equipment and building electrical equipment 

The vast majority of office equipment wastes energy as it sits idle and needless to say, equipment with built-in power management can greatly reduce energy use in the office by switching to low-energy mode when not in use. Energy-efficient motors and transformers are also available for office use.

Renewable energy

The Energy Efficiency and Renewable Energy Network offer key insights into the world of renewable energy. Let’s take a look at some of the valuable renewable energy topics the Energy Efficiency and Renewable Energy Network have shared over the years. 


Biopower technologies are proven electricity generation options in the United States with 10 gigawatts of installed capacity. Many different improvements have been made to this technology over the years.


Biomass is a term used to refer to any plant derived organic matter available on a renewable basis. Examples of biomass include dedicated energy crops or trees, agricultural crops like food and feed crops, and human waste, animal wastes and other materials. Dealing with technologies, collection logistics and infrastructure are integral to the biomass resource supply chain.


The term biofuel refers to the many different forms of fuel that can be derived from biomass resources. Some biofuel examples include liquid fuels like ethanol, methanol, biodiesel and gaseous fuels such as hydrogen and methane. Biofuels research comprises three main areas: producing the fuels, finding applications and uses of the fuels, and creating a distribution infrastructure.


Geothermal energy technologies use the heat of the earth for direct-use applications, geothermal heat pumps and electrical power generation. Geothermal energy development research is helping to lower the costs of geothermal energy expansion. In the US, most geothermal energy is concentrated in the West but can be utilised anywhere in the country. 


Hydrogen is the third most abundant element on the earth's surface, where it is found primarily in water (H²O) and organic compounds. It is usually produced from hydrocarbons or water, and when it’s burned as a fuel, or converted to electricity, it joins with oxygen to again form water.


Wind energy uses the energy in the wind for practical purposes like generating electricity, charging batteries, pumping water, or grinding grain. Larger more modern wind turbines operate in accordance with wind farms to produce electricity for essential utilities. Small turbines are utilised by homeowner and remote villages to help meet energy needs.


Solar technologies utilise the sun’s energy in order to provide light, heat, hot water, electricity, heating, cooling, businesses and industry. 


Ocean energy draws on tidal energy or the energy of ocean waves, or on the thermal energy that is stored in the ocean. There are many different types of ocean technology, including wave energy, tidal energy and ocean thermal energy conversion systems (OTEC). 

Specialised resources 

The Energy Efficiency and Renewable Energy Network also offer specialised resources through which the US Department of Energy communicates. Take a look at the various array of additional specialised resources available: 

  • The National Energy Plan
  • The Office of Power 
  • Technologies updates
  • Key Publications
  • An extensive information database
  • Energy news

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