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The Newark, N.J.-based financial services company announced this week that it installed the panels on its office building in Scottsdale, Ariz., and on two buildings in its Roseland, N.J.-office complex.

"Over the next 10 years, we expect these solar panels to save us approximately $3 million in energy costs and help us further reduce our overall carbon footprint by around 14,300 metric tons," said Michael Perrette, vice president and head of corporate facilities for Prudential.

The 2,678 panels installed in the Roseland buildings will generate about 3% of the power use in that office campus, with a peak power output of 500 kilowatt hours. The solar project in Scottsdale is the largest solar photovoltaic system on a commercial office building in Arizona. It involved installing 4,508 panels that generate about 30% of the building's power use, with a peak output of 885 kilowatt hours.