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Heating Water with Solar Energy Costs Less at the Phoenix Federal Correctional Institution

Description: A large solar thermal system installed at the Phoenix Federal Correctional Institution (FCI) in 1998 heats water for the prison and costs less than buying electricity to heat that water. This renewable energy system provides 70% of the facility's annual hot water needs. The Federal Bureau of Prisons did not incur the up-front cost of this system because it was financed through an Energy Savings Performance Contract (ESPC). The ESPC payments are 10% less than the energy savings so that the priso… more
Date: September 1, 2004
open access

Rohm and Haas: Company Uses Knoxville Plant Assessment Results to Develop Best Practices Guidelines and Benchmark for Its Other Sites (Revised)

Description: Rohm and Haas conducted a plant-wide energy assessment at its Knoxville, Tennessee, chemicals manufacturing facility. The assessment identified potential annual energy savings of nearly 47,000 MMBtu in steam and fuel and 11,000 MWh in electricity. Annual cost savings were estimated at almost$1.5 million. After the assessment was replicated in California and Kentucky plants, the companys additional estimated cost savings were$500,000 annually. Additional annual energy savings were about 23,000 M… more
Date: July 1, 2003
open access

National Renewable Energy Laboratory 2004 Research Review

Description: In-depth articles on several NREL technologies and advances, including: aligning quantum dots and related nanoscience and nanotechnology research; using NREL's Advanced Automotive Manikin (ADAM) to help test and design ancillary automotive systems; and harvesting ocean wind to generate electricity with deep-water wind turbines. Also covered are NREL news, research updates, and awards and honors received by the Laboratory.
Date: March 1, 2005
open access

Habitat Metro Denver -- Perfecting Award-Winning Affordable Homes Using Building America's Integrated Design Approach

Description: Habitat for Humanity's goal is to supply quality housing to poor families while reducing their energy cost burden, especially in light of ever-increasing energy prices. Habitat Metro Denver partnered with the U.S. Department of Energy's Building America Project and the National Renewable Energy Laboratory to improve their construction and design process to create an affordable home that is not only cost-effective and volunteer friendly to build but highly energy efficient and a comfortable plac… more
Date: December 1, 2004
open access

Alcoa: Plant-Wide Energy Assessment Finds Potential Savings at Aluminum Extrusion Facility. Industrial Technologies Program, Aluminum BestPractices Plant-Wide Assessment Case Study.

Description: Alcoa completed an energy assessment of its Engineered Products aluminum extrusion facility in Plant City, Florida, in 2001. The company identified energy conservation opportunities throughout the plant and prepared a report as an example for performing energy assessments at similar Alcoa facilities. If implemented, the cost of energy for the plant would be reduced by more than$800,000 per year by conserving 3 million kWh of electricity and 150,000 MMBtu of natural gas.
Date: September 1, 2003
open access

Clean Cities Fact Sheet

Description: This fact sheet explains the Clean Cities Program and provides contact information for all coalitions and regional offices. It answers key questions such as: What is the Clean Cities Program? What are alternative fuels? How does the Clean Cities Program work? What sort of assistance does Clean Cities offer? What has Clean Cities accomplished? What is Clean Cities International? and Where can I find more information?
Date: January 1, 2004
open access

Wind Energy Myths

Description: This two-sided fact sheet succinctly outlines and counters the top misconceptions about wind energy. It is well suited for general audiences.
Date: May 1, 2005
open access

Merlot Design

Description: We describe Merlot, a system for delivery of digital imagery over high speed networks. We describe various use cases, the client/server interaction, and the image and network codecs. We also describe some possible applications using Merlot and future work.
Date: June 10, 2003
Creator: Ahern, S D
open access

Geothermal Technologies Program: Oregon

Description: This fact sheets provides a summary of geothermal potential, issues, and current development in Oregon. This fact sheet was developed as part of DOE's GeoPowering the West initiative, part of the Geothermal Technologies Program.
Date: February 1, 2005
open access

Technology Brief: Analysis of Current-Day Commercial Electrolyzers

Description: This factsheet provides an overview of the current state of electrolytic hydrogen production technologies and an economic analysis of the processes and systems available as of December 2003. The operating specifications and hydrogen production costs of commercially available electrolyzers from five manufacturers, i.e., Stuart, Teledyne, Proton, Norsk Hydro, and Avalence, are compared.
Date: September 1, 2004
open access

Green Roofs: Federal Energy Management Program (FEMP) Federal Technology Alert

Description: In a ''green roof,'' a layer of vegetation (e.g., a roof garden) covers the surface of a roof to provide shade, cooler indoor and outdoor temperatures, and effective storm-water management to reduce runoff. The main components are waterproofing, soil, and plants. There are two basic kinds: intensive and extensive. An intensive green roof often features large shrubs and trees, and it can be expensive to install and maintain. An extensive green roof features shallow soil and low-growing, horizont… more
Date: September 1, 2004
Creator: Scholz-Barth, K. & Tanner, S.
open access

FEMP Renewable Energy Overview

Description: This four-page overview describes how Federal agencies can contact the Department of Energy's Federal Energy Management Program (FEMP) to obtain assistance in acquiring renewable energy systems, renewable fuels, and renewable ("green") power for use in their facilities and vehicles. Renewable resources, technologies, and fuels are described, as well as Federal goals for using clean, sustainable renewable energy; the current goal is to supply 2.5% of the Federal Government's energy with renewabl… more
Date: June 1, 2003
open access

Alternative Fuel News, Vol. 7, No. 3

Description: Quarterly magazine with articles on recent additions to the Clean Cities Alternative Fuel Station Locator database, biodiesel buying co-ops, and developing the CNG infrastructure in Bangladesh. Also a memo from CIVITAS 2003.
Date: November 1, 2003
open access

Life Cycle Assessment of Renewable Hydrogen Production via Wind/Electrolysis: Milestone Completion Report

Description: This report summarizes the results of a lifecycle assessment of a renewable hydrogen production process employing wind/electrolysis. Resource consumption, energy requirements, and emissions were determined in a cradle-to-grave manner on the operations required to transform raw materials into useful products, including the material production processes required to construct the wind turbines, electrolyzer, and hydrogen storage tanks.
Date: February 1, 2004
Creator: Mann, M. & Spath, P.
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