National Academies Press: OpenBook

Evaluation of Future Strategic and Energy Efficient Options for the U.S. Capitol Power Plant (2009)

Chapter: Appendix D: Sample Format for Benchmarking Data

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Suggested Citation:"Appendix D: Sample Format for Benchmarking Data." National Research Council. 2009. Evaluation of Future Strategic and Energy Efficient Options for the U.S. Capitol Power Plant. Washington, DC: The National Academies Press. doi: 10.17226/12719.
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Page 37
Suggested Citation:"Appendix D: Sample Format for Benchmarking Data." National Research Council. 2009. Evaluation of Future Strategic and Energy Efficient Options for the U.S. Capitol Power Plant. Washington, DC: The National Academies Press. doi: 10.17226/12719.
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Page 38

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Appendix D Sample Format for Benchmarking Data GSF Served Annual Electrical Used (KWh) Fuel Type Used Coal Natural Gas Fuel Oil Annual Fuel Amount (Tons, MMBTU, gallons, KWh) Campus Peak Load (MW) Equipment Type Combustion Turbine Steam T urbine Recip Engine Equipment Rated Capacity (MW) Total Annual Steam Production (lbs/hr) In-Plant Steam Pressure/Temp (psi, degrees F) Distribution Steam Pressure/Temp (psi, degrees F) Fuel Type Used Coal Natural Gas Fuel Oil Annual Fuel Amount (Tons, MMBTU, gallons, KWh) Peak Load (lbs/hr) Equipment Type Boiler Fluidized Bed Boiler Stoker Boiler (Natural Gas) Total Rated Capacity Chilled Water (ton-hr) Fuel Used Purchased Electricity Self Generated Electricity Steam Annual Fuel Amount (KWh, KWh, lbs/hr) Peak Load (tons) Equipment Type Electric Chiller Steam T urbine Driven Chiller Absorption Equipment Rated Capacity (tons) Average Annual Steam Efficiency Total Steam Out/Total Fuel Used1 (%) Average Annual Heat Rate (BTU/KWh) Average Annual Chilled Water COP Average Annual System Efficiency (Total Energy Delivered to Campus) 1/(Total Fuel Used) 1 % Fuel Cost Average Annual Coal Cost ($/ton) Annual Average Natural Gas Cost ($/MMBTU) Annual Average Generated Electrical Rate ($/KWh) Annual Average Purchased Electrical Rate ($/KWh) Customer System Reliability ((24x365)-Total Unplanned Facility Utility Outage Hours)/(24x365) (Last Y ear in %) Electrical System Steam System Chilled Water System 37

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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.

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