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September 27, 2011

Copper nanowires could lower solar cell costs




Duke researchers are building copper wire films at the nano-scale that would serve to lower the cost and sustain the performance of solar cells by replacing more expensiveView of nanowires, NIST materials.  …

…   “research shows that the copper nanowire films have the same properties as those currently used in electronic devices and solar cells, but are less expensive to manufacture.”   …

Via Duke University: Copper Nanowires.

October 17, 2010

Sustainability principles guide power plant future




for Duke Energy.  James Rogers, CEO of Duke Energy, shares his company’s mission,Duke Energy power plant principles, and challenges with business students at Appalachian State University.  …

…   “With an average plant life of 40 years, Rogers said that by 2050, Duke Energy’s entire fleet of generating plants will be replaced. ”   …

Via Appalachian State: Sustainable Power.

October 03, 2010

National Gypsum Provides Solar Energy to Duke Energy / GRID




National Gypsum logo

Duke Energy has leased part of the roof of a National Gypsum facility in Mt Holly NC to use for a solar array.  The output is 1.17 mW - equivalent to the power needs of 700 homes.

" ... 5096 panels ... Duke Energy will own, operate, and maintain all components of the system. The lease agreement is for 25 years."

" ... National Gypsum has contracts to purchase byproduct gypsum ... from four of the utility’s nearby coal-fired plants."

 

Via: National Gypsum LINK

March 22, 2010

Wind power investment increases




Three utilities (China WindPower, Iberdrola, and Duke Energy) target significant wind power capacity increases this year. ...
... "A third of those turbines were installed in China, which doubled its capacity to 25 gigawatts. Wind is gaining support as turbine costs fall and government stimulus money helps pay for the plants. " ...
Via BusinessWeek: Wind Energy Investment

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February 27, 2010

Transportation Clean Energy Integration




Transportation-focused jobs bill will boost clean energy through public transit investment. ...
... "Both bus and rail manufacturing jobs have synergies with other sectors in the clean energy economy that are very crucial, Lowe says. One of the most crucial components is energy storage and advances there will be key to wind, solar and nearly all of those really big green job sectors. " ...
Via Duke Univ: http://bit.ly/aCcACn

January 25, 2010

Duke Energy Solar Power through Acquisition




Duke Energy acquires the fourteen megawatt Blue Wing Solar Project from juwi solar Inc. The solar installation has a 30-year power purchase agreement to sell its output and renewable energy credits to CPS Energy. ...
... "Blue Wing will be the first commercial solar power project Duke Energy will own and operate. Duke Energy Carolinas, part of the company’s regulated business, is installing solar panels on select business and residential customers’ rooftops as part of a $50 million program. " ...
Via Duke Power: First Commercial Solar Power Project

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October 23, 2009

Duke Solar Power Project Collaboration




ENN Group and Duke Energy join forces to build utility-scale solar power plants throughout the U.S. ...
... "Under an agreement signed today, ENN and Duke Energy will concentrate on two types of solar photovoltaic designs: large utility-scale solar farms and commercial distributed generation solar projects. Distributed generation systems produce electricity close to where the energy is used, rather than at large, central power plants. " ...
Via Duke Energy: Solar Power Projects Collaboration

October 14, 2009

Duke Rooftop Solar Sites




Duke Energy selects four sites for rooftop solar energy installations. This is phase one of Duke's distributed solar generation program in North Carolina. ...
... "National Gypsum Company in Mount Holly, N.C., will house a 1.2-megawatt system which includes 5,096 rooftop solar panels; Highwood Properties in Greensboro, N.C., will house a 1.6-megawatt system which includes 7,020 rooftop solar panels; Food Lion, in Salisbury, N.C., will house a 1,292-kilowatt (1.3-megawatt) system which includes 5,616 rooftop solar panels; and Childress Klein Properties in Charlotte, N.C., will house a 532-kilowatt (.5-megawatt) system which includes 2,314 rooftop solar panels. These sites were selected based on their ready access to the electrical grid and solar productivity potential, in addition to other essential lease agreement criteria. Installations will begin immediately, with all phase one systems being installed by the end of the first quarter of 2010. " ...
Via Duke Energy: Distributed Generation Solar Sites

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