Articles
Posted By: Davis Swan - President, Debarel Systems Ltd.
On: December 23, 2013
I recently joined a discussion about how gravity might be used to generate and store energy. One of the comments provided a link to Gravity Power, a company that has proposed a modified take on "pumped storage" whereby a vertical water reservoir is used with a heavy piston.  During the discussions  more...
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Posted By: James Greenberger - Executive Director, National Alliance for Advanced Technology Batteries
On: November 18, 2013
Earlier this week I spoke with an old friend, who works in the utility practice group of a major management consulting firm.  We commiserated about the challenges of getting conservative electric utilities to adopt new technology.  My friend opined that the only way to get the attention of utility management  more...
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Posted By: Harry Valentine - Commentator/Energy Researcher, Langson Energy
On: November 1, 2013
While Ontario has for decades been North America's largest electrical utility, it has often been plagued by political controversy. Many an elected official has used the utility as a means by which to achieve a political agenda. Ongoing political agendas have left the utility saddled with massive debt. The utility's  more...
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Posted By: Roger Arnold - Owner, Silverthorn Engineering
On: September 30, 2013
In January, a report from the Edison Electric Institute painted a bleak picture for the future of investor-owned utilities.  It essentially said that the IOU business model, under the current regulatory environment, is not sustainable in the face of expected growth in rooftop solar1.  Dangerous feedback loop? The crux of  more...
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Posted By: Malcolm Metcalfe , Eric Hoevenaars
On: July 8, 2013
Grid-scale energy storage technologies are set to play a crucial role in the today's evolving power system. System operators and utilities are continuously working to improve grid efficiency and reliability and look to storage technologies to do so. Storage can lend a helping hand in implementing numerous applications, including renewable  more...
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Posted By: Kristopher Settle
On: June 18, 2013
One of the biggest concerns with many forms of renewable energy is their inability to store active energy during times when the sun isn't out, or when the wind isn't blowing.  With these energies gaining popularity and growing at an impressive rate, it seems as though establishing an efficient form  more...
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Posted By: Eric Hahn P.E. - Civil Engineer Corps officer and Acquisition Corps member, U.S. Navy
On: May 22, 2013
In February of this year the U.S. Army Corps of Engineers’ Engineer Research and Development Center - Coastal Hydraulics Lab (ERDC-CHL) reported that it had deployed the largest Wave Energy Converter (WEC) in the US at their Field Research Facility in Duck, NC. According to their posting, their facility hosted a  more...
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Posted By: Davis Swan - President, Debarel Systems Ltd.
On: March 1, 2013
On January 23, 2013 Duke Energy announced that it had completed the Notrees Battery Storage project in Texas which now represents the largest capacity battery facility in North America. Providing backup power for the Notrees Windpower project, this facility is able to produce 36 MW of power on demand whether  more...
Posted By: Harry Valentine - Commentator/Energy Researcher, Langson Energy
On: February 6, 2013
The St Lawrence River has for decades served the needs of the energy and transportation sectors. Ships have carried towers and turbine blades for the wind energy sector, while a new hydroelectric installation is being completed on the Canadian side of Niagara Falls. The waterway is home to several hydroelectric  more...
Posted By: Harry Valentine - Commentator/Energy Researcher, Langson Energy
On: October 25, 2012
While there is much interest in developing various forms of energy storage at the present day, the popular contemporary technologies involve high capital cost. Many researchers have actively been seeking alternative mobile and stationary technologies that involve lower capital costs. Part of this research has revolved around increasing the energy  more...


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