Evaluation of Future Strategic and Energy Efficient Options for the U.S. Capitol Power Plant

Evaluation of Future Strategic and Energy Efficient Options for the U.S. Capitol Power Plant PDF

Author: National Research Council

Publisher: National Academies Press

Published: 2009-09-12

Total Pages: 48

ISBN-13: 0309142024

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The U.S. Capitol Complex in Washington, D.C., comprises some of the most historic and symbolic buildings in the nation. The steam and chilled water required to heat and cool these buildings and related equipment is generated and distributed by the Capitol Power Plant (CPP) district energy system. Portions of the CPP system are now 50 to 100 years old and require renewal so that reliable utility services can be provided to the U.S. Capitol Complex for the foreseeable future. Evaluation of Future Strategic and Energy Efficient Options for the U.S. Capitol Power Plant provides comments on an interim set of publicly available consultant-generated options for the delivery of utility services to the U.S. Capitol Complex. The report provides recommendations to bring the interim options to completion, including suggestions for additional analyses, so that the CPP can be best positioned to meet the future strategic and energy efficiency requirements of the U.S. Capitol Complex.

Capitol Power Plant

Capitol Power Plant PDF

Author: U.s. Government Accountability Office

Publisher: Createspace Independent Publishing Platform

Published: 2017-07-28

Total Pages: 78

ISBN-13: 9781973973515

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" AOC's CPP heats and cools 25 buildings in the complex, including the Capitol and House and Senate office buildings. CPP does not have the infrastructure to distribute electricity to the buildings it serves. CPP buys fossil fuels (mostly natural gas) to run boilers that make steam and buys electricity to run chillers that make chilled water. CPP distributes the steam and chilled water for heating and cooling using a network of tunnels. AOC seeks to install a 'cogeneration' system that would produce steam and electricity. The House of Representatives report accompanying the Legislative Branch Appropriations Bill, 2014 included a provision for GAO to analyze potential cost savings at CPP. GAO analyzed (1) measures AOC implemented since 2008 to manage the energy-related costs of the complex and opportunities, if any, to further manage these costs, and (2) how AOC decided to procure a cogeneration system and the extent to which AOC followed leading capitalplanning practices. GAO analyzed AOC budgets and plans; reviewed federal guidance on capital planning; and interviewed AOC staff and other stakeholders, including other heating and cooling plant operators. "

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