Union Distributing unveils largest solar plant
ARIZONA - Union Distributing flipped the switch on what the company calls the largest solar system owned by a petroleum distributor, split between locations in Phoenix and Tucson.
The event at the $1.6 million project officially christened the 150-kilowatt system at the companyÂ’s Phoenix location and the 103-kilowatt system at the Tucson location.
The system is the largest installed by Solar Hawk energy with contractor Wilson Electric and will produce 400,000 kilowatt hours of electricity annually and provide up to 90 percent of the power needed to run the facilities.
The distributor was able to pay for the project through tax rebates and the Salt River ProjectÂ’s Earthwise Solar commercial program, which provides rebates for solar systems.
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Electrifying: New cement makes concrete generate electricity
SEOUL - Engineers from South Korea have invented a cement-based composite that can be used in concrete to make structures that generate and store electricity through exposure to external mechanical energy sources like footsteps, wind, rain and waves.
By turning structures into power sources, the cement will crack the problem of the built environment consuming 40% of the world’s energy, they believe.
Building users need not worry about getting electrocuted. Tests showed that a 1% volume of conductive carbon fibres in a cement mixture was enough to give the cement the desired electrical properties without compromising structural performance, and the current generated…