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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: District Energy

District Energy


Community Microgrids: A Guide for Mayors and City Leaders Seeking Clean, Reliable and Locally Controlled Energy

Energy Efficiency Markets, June 2015.
http://www.findwhitepapers.com/force-download.php?id=49811

Report "provides big-picture insight into the community microgrid trend, as well as specific advice to help municipalities that are considering microgrid development."

Blue Devils Go Green: Duke Converts Steam Plant From Coal to Gas

Heating/Piping/Air Conditioning Engineering, June 2015, by Greg Carnathan and Cheryl Piner.
http://hpac.com/heating/blue-devils-go-green-duke-converts-steam-plant-coal-gas

"University ends 80-year dependence on coal."

Biomass District Energy Provides Economic, Environmental Benefits

Heating/Piping/Air Conditioning Engineering, June 2015.
http://hpac.com/heating/biomass-district-energy-provides-economic-environmental-benefits

"When John Cressy became facilities director for Sullivan County, N.H., six years ago, a study of the feasibility of utilizing biomass to reduce reliance on foreign fossil fuels and reduce carbon emissions was under way. The study did not meet the county’s expectations, and the entire project was shelved. Then, the Wood Education and Resource Center stepped in and offered to do a new feasibility study. 'The study blew our minds,' Cressy said. 'The numbers looked almost too good to be true.'"

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."

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."

Chilled Water Thermal Energy Storage [TES] Hydraulics

ASHRAE Journal, Feb. 2015, by Kent W. Peterson.
http://bookstore.ashrae.biz/journal/download.php?file=2015Feb_040-043_EngNote_Peterson.pdf

"Chilled water thermal storage can provide many energy cost benefits when implemented in chilled water systems. Placing an atmospheric chilled water thermal energy storage tank in a chilled water system will have several engineering ramifications on the hydraulic performance of the system. Understanding these hydraulic implications and designing the optimum solutions for addressing these implications will improve both control and energy performance."


Seattle Steam's ENERGY STAR Reporting Service: Helping Customers Meet Benchmarking Mandate

District Energy, 4th Quarter, 2014, by Stan Gent and Gary Michaels.
http://www.districtenergy-digital.org/districtenergy/2014Q4#pg8

"Through the UtilityStudio portal, an application service from GH Michaels Associates, Seattle Steam customers can easily export historical steam consumption data for loading into analysis and benchmarking tools."

Vacuum Steam Heating: Past, Present...Future?

District Energy, Fourth Quarter, 2014, by Igor Zhadanovsky.
http://www.districtenergy-digital.org/districtenergy/2014Q4?sub_id=DOwgMT0rNL8TV#pg29

"Every so often, a technology that had been abandoned for a long period of time comes back to life thanks to new developments that make it viable and competitive once again. While it's too early to predict with certainty, this may be the pattern that we see for one of the heating industry's oldest technologies: vacuum steam heating. This article describes the evolution of that technology, its benefits and drawbacks, and a new approach that may make it a cost-effective option in the 21st century.

Smart Grid Master Planning at NC State: Centennial Campus Already a Smart Grid R&D Leader

District Energy, Third Quarter 2014, by Ben Dombrowski.
http://www.districtenergy-digital.org/districtenergy/2014Q3?pg=14#pg14

"North Carolina State University recently commissioned a smart grid master plan to guide the development of integrated, efficient and optimized utility services on its research campus."
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