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Energy Newsbriefs Blog

This current awareness service is prepared by the WSU Energy Program Library with funding from the U.S. Department of Energy State Energy Program. This information is provided for energy professionals and interested members of the public to highlight recent energy-related news, articles, and reports that discuss energy efficiency, energy conservation, and renewable sources of energy in engineering and policy circles.

 

Category: Cogeneration

CHP


Understanding Cogeneration Systems

Pure Power (supplement to Consulting-Specifying Engineer), Summer 2015, by Jerry Schuett and David Cummingham.
http://www.csemag.com/single-article/understanding-cogeneration-systems/ebec65943f512c49199b852db0b51104.html

"Cogeneration systems—also known as combined heat and power (CHP) systems—generate both electricity and usable thermal energy. These systems typically are used on campuses that have high heat load requirements." Describes three CHP system prime movers: back-pressure steam turbine, combustion turbine, and reciprocating engine.

Biogas-To-Energy Helps A New York Facility Toward Self-Sufficiency

Treatment Plant Operator, July 2015, by Doug Day.
http://www.tpomag.com/editorial/2015/07/biogas_to_energy_helps
_a_new_york_facility_toward_self_sufficiency


"Ithaca’s clean-water plant has boosted biogas production and energy generation in a project that will yield $9 million in guaranteed savings over a 20-year contract. The Ithaca (New York) Area Wastewater Treatment Facility now generates nearly half its electricity on site, and the plant team hopes a new biogas system can eventually meet most if not all power needs."

Barriers to Industrial Energy Efficiency: Report to Congress

U.S. Department of Energy, June 2015.
http://www.energy.gov/eere/amo/downloads/barriers-industrial-energy-efficiency-report-congress-june-2015

"This report examines barriers that impede the adoption of energy efficient technologies and practices in the industrial sector, and identifies successful examples and opportunities to overcome these barriers. Three groups of energy efficiency technologies and measures were examined: industrial end-use energy efficiency, industrial demand response, and industrial combined heat and power. This report also includes the estimated economic benefits from hypothetical Federal energy efficiency matching grants, as directed by the Act."

Dubuque [IA] Resource Recovery Facility Keeps It Sustainable

Treatment Plant Operator, June 2015, by Doug Day.
http://www.tpomag.com/editorial/2015/06/dubuque_resource_recovery_
facility_keeps_it_sustainable


"An Iowa city’s $38 million [wastewater treatment] facility renovation includes combined heat and power, biosolids reuse, effluent heat recovery, water-saving landscaping, and more."

Full "Green Steam" Ahead in Boston: CHP Project Advances Region's Environmental Goals

District Energy, 2nd Quarter 2015, by William J. DiCroce.
http://www.districtenergy-digital.org/districtenergy/2015Q2?folio=12#pg14

"One of the oldest cities in the United States, Boston is supported by an innovative district energy system that integrates thermal energy recycled from the electric generation process for heating and cooling. Since acquiring the district system in 2005, Veolia North America has made significant investments to improve network efficiency and reduce environmental impacts, culminating in the completion of its $112 million 'green steam' pipeline project in 2014."

Small is Beautiful: Heat Pumps in Small-Scale Cogeneration

Cogeneration & On-Site Power Production, May-June 2015, Jan De Wit.
http://digital.cospp.com/cospp/20150506?sub_id=yZyIjhafYfpz&folio=28#pg30

"Denmark has recently seen a growing number of cogeneration units installed in care homes, sports centres, schools and other municipal buildings. These installations have shown high annual operation hours, short ROI and significant CO2 savings. [The author] looks at how they do it."

Distributed Power’s Rising Importance for U.S. Electrical Infrastructure

Power Magazine, May 2015, by Devon Manz and others.
http://www.powermag.com/distributed-powers-rising-importance-for-u-s-electrical-infrastructure/?printmode=1

"Renewable generation may be the most talked-about form of distributed power these days. However, historically, engine- and turbine-based smaller-scale generation—strategically located where needed by loads or for grid support—has supplied valuable distributed power. For many reasons, the roles for distributed power provided by rotating and reciprocating equipment continue to increase."

BERC Launches Updated Community-Scale Wood Heating Database

Biomass Magazine, April 28, 2015.
http://www.biomassmagazine.com/articles/11868/berc-launches-updated-community-scale-wood-heating-database

"The Biomass Energy Resource Center [BERC], a program of the Vermont Energy Investment Corp., has launched a re-tooled web-based database for tracking the advancement of modern wood heating throughout North America. The newly revised searchable database houses key information on existing community-scale modern wood heating and combined heat and power systems across the U.S. and Canada, as well as an archive of links to case studies."

Handling the Heat With CHP: ESCOs Allow for More Adoption of Cogeneration

Business Energy, Mar.-Apr. 2015, by Carol Brzozowski.
http://www.businessenergy.net/DE/Articles/Handling_the_Heat_With_CHP_28482.aspx

"There is a renewed emphasis in the distributed generation marketplace for solutions such as Combined Heating and Power (CHP) and cogeneration, with shale gas being one of the primary drivers, notes Clark Wiedetz, director of alternative and renewable energy for the Building Technologies Division of Siemens."

Making the Switch from Coal to Biomass [CHP]

Cogeneration and On-site Power Production, Mar. 2015, by Thomas Krause and Yaqoub Al-Khasawneh.
http://digital.cospp.com/cospp/20150304?sub_id=yZyIjhafYfpz&folio=24#pg26

A case study of a Danish power station: "With specific modifications, a bituminous coal-firing CHP system can be converted to operate with wood or other biomass pellets."
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