Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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The Rayburn House Office Building, completed in early 1965, is the third of three office buildings constructed for the United States House of Representatives.
The Rayburn House Office Building, completed in early 1965, is the third of...

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The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.

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Yellow flowers in front of the Capitol Building
The Architect of the Capitol annually publishes a wide variety of publications...

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War of 1812
The War of 1812 Tour: Three Points of View Weekdays at 11 a.m. – Join a...

Sustainability Accomplishments

Sustainability Accomplishments

Through a successful sustainability and energy program, the Architect of the Capitol (AOC) has annually exceeded its energy reduction goals outlined in the Energy Independence and Security Act of 2007 (EISA 2007) and the Energy Policy Act of 2005 (EPACT 2005). The AOC is on pace to meet its 30 percent energy intensity reduction by the end of Fiscal Year 2015. In addition to energy reductions, AOC’s program efforts include progress sustainability components that strengthen the AOC’s facilities and help manage change for buildings designed without modern technologies in mind.

A graph showing the Annual Energy Reduction

Sustainability Accomplishments 

$2.7 Million: Dollars saved through new energy reductions
$14 Million: In building energy improvements re-allocated from utility accounts
20%: Reduction in our greenhouse gas footprint from FY 2008 baseline
25%: Energy reduction from FY 2003 baseline, exceeding the FY 2013 goal
6 Million: Square footage of buildings retro-commissioned
85 Million: Gallons of water saved from FY 2007 baseline
230: Meters installed

In FY 2013the AOC saved enough energy to: 

  • Power the entire campus 1 out of every 4 days
  • Power the Madison and U.S. Capitol Buildings (over 3 million square feet of space) for an entire year