Energy usage of the United States military
The United States Department of Defense is one of the largest single consumers of energy in the world, responsible for 93% of all US government fuel consumption in 2007 (Air Force: 52%; Navy: 33%; Army: 7%. Other DoD: 1%). In FY 2006, the DoD used almost 30,000 gigawatt hours (GWH) of electricity, at a cost of almost $2.2 billion. The DoD's electricity use would supply enough electricity to power more than 2.6 million average American homes. In electricity consumption, if it were a country, the DoD would rank 58th in the world, using slightly less than Denmark and slightly more than Syria (CIA World Factbook, 2006). The Department of Defense uses 4,600,000,000 US gallons (1.7×1010 L) of fuel annually, an average of 12,600,000 US gallons (48,000,000 L) of fuel per day. A large Army division may use about 6,000 US gallons (23,000 L) per day. According to the 2005 CIA World Factbook, if it were a country, the DoD would rank 34th in the world in average daily oil use, coming in just behind Iraq and just ahead of Sweden.
The Air Force is the largest user of fuel energy in the federal government. The Air Force uses 10% of the nation's aviation fuel. (JP-8 accounts for nearly 90% of its fuels.) This fuel usage breaks down as such: 82% jet fuel, 16% facility management and 2% ground vehicle/equipment. To meet renewable energy goals, the Air Force plans to certify its entire fleet on coal-to-liquid synthetic fuel blends by 2011. By 2016, it plans to fuel half of its domestic transportation by US-produced synthetic blends, including blends of biofuels and jetfuels, known as Hydrotreated Renewable Jet (HRJ). The Air Force is currently the leading purchaser of renewable energy within the Federal government and has been a long time pioneer of renewable energy development and leadership. The Air Force is recognized by the Environmental Protection Agency as a Green Power Partner, one of the nation’s top purchasers of green power. The Air Force Energy Plan, published in May 2010, includes more information about the Air Force’s goals, including reducing demand, increasing supply, and changing the culture to include energy awareness.
In 2010, DoD established the Office of the Assistant Secretary of Operational Energy Plans and Programs to coordinate energy issues. In July 2010, DoD also signed a Memorandum of Understanding with the U.S. Department of Energy to facilitate cooperation and accelerate research, development, and deployment of energy efficiency and renewable energy technologies. DoD's Energy Conservation Investment Program (ECIP) improves the energy and water efficiency of existing Military Services' facilities. The program's projects help the Military Services save on energy usage and cost. The American Recovery and Reinvestment Act of 2009 provided $120 million for the ECIP. The American Recovery and Reinvestment Act of 2009 has also given money for the Army, Navy, Marine Corps, Air Force, Army Reserve, Navy Reserve, Marine Corps Reserve, Air Force Reserve, Army National Guard and Air National Guard facilities to invest in energy efficiency.
The US Army has recently prioritized renewable energy strategies in Iraq. Strategies include the Tactical Garbage to Energy Refinery Program, which converts 1 short ton (0.91 t) of waste to 11 US gal (42 L) of JP-8 fuel, a photovoltaic flexible, portable mat, insulating foam technology, hybrid-electric Manned Ground Vehicles (MGV), and highly efficient portable cells. The American Recovery and Reinvestment Act gave more than $150 million to develop these technologies. Stateside, the Army created the Net Zero program with a goal to have 30 installations achieve net-zero energy by 2030, including some that will also be net-zero in waste and water. In 2011, they opened the Base Camp Systems Integration Laboratory, which compares an energy efficient base camp with a traditional one and trains soldiers to use energy efficient technologies. The Army Energy Security Implementation Strategy, published in 2009, gives details about the Army’s energy goals.
The Department of the Navy established Task Force Energy to focus on meeting energy goals, which include reducing non-tactical petroleum use in the commercial fleet by 50 percent by 2015, producing at least 50 percent of shore based energy from alternative sources by 2050, acquiring 50 percent of total energy from alternative sources by 2020, and having 50 percent of Navy and Marine Corps installations be net-zero by 2020. The Navy hopes to demonstrate a Green Strike Group (fueled by biofuels and nuclear power) by 2012 and sail the Great Green Fleet by 2016. The Office of Naval Research developed and deployed the Experimental Forward Operating Base (ExFOB), including photovoltaic energy, shelter insulation, small unit water purification, and energy efficient heating, lighting, and cooling.
The Marine Corps established the Expeditionary Energy Office to increase combat effectiveness by reducing the need for liquid fossil fuel by 50 percent by 2025, using liquid fuel for mobility only.
The Defense Department plans to invest $9 billion to improve energy use in military operations through 2017.
See also 
Further reading 
- Colonel Gregory J. Lengyel, USAF, The Brookings Institution, Department of Defense Energy Strategy, August 2007.
- Colonel Gregory J. Lengyel, USAF, The Brookings Institution, Department of Defense Energy Strategy, August 2007, 
- Powering America’s Defense: Energy and the Risks to National Security, CNA Analysis & Solutions, May 2009
- Environmental and Energy Study Institute. "DoD's Energy Efficiency and Renewable Energy Initiatives". Retrieved 2011-08-02.
- "Air Force leads the way as Green Power Partner". U.S. Air Force. Retrieved 2011-08-02.
- "Air Force Energy Plan". U.S. Air Force. Retrieved 2011-08-02.
- Vogel, Steve. Pentagon Prioritizes Pursuit Of Alternative Fuel Sources, The Washington Post, 4/13/09
- "Army Vision for Net Zero". U.S. Army. Retrieved 2011-08-02.
- "Base Camp Integration Lab opens at Fort Devens". U.S. Army. Retrieved 2011-08-02.
- "Army Energy Security Implementation Strategy". U.S. Army. Retrieved 2011-08-02.
- "ONR Experimental Forward Operating Base". Office of Naval Research. Retrieved 2011-08-03.
- "USMC Expeditionary Energy Office". U.S. Marine Corps.
- "Department of Defense Certifies Key Energy Investments Support Increased Combat Capability." DoD, 15 August 2012.
- Chief of US Pacific forces calls climate biggest worry March 9, 2013 Boston Globe
- Navy Admiral Samuel J. Locklear says the biggest security threat in the Pacific region is climate change. March 12, 2013 Wall Street Journal