Solar Terrain
Design and installation of solar powered systems in Philadelphia, Chester, Delaware, Montgomery, and Bucks Counties.
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That is not snow on my roof

Rick Way - February 23rd, 2010

The City of Philadelphia is enticing residents to whiten their roofs. In an effort to reduce home, an eventually, city temperatures the Mayor is holding a contest to make residents think about turning their black roof white.

After the recent bad weather, Mayor Nutter knew that getting people excited about putting white stuff on their roofs might be a tough sell.

"But this is a different kind of material," he said with a brief laugh yesterday.

He was talking not about snow, but about reflective coatings - the kind that could turn Philadelphia's rooftops from a sea of searing black to an ocean of cool white.

Continue reading here.



Standard Grid Tied System

Philadelphia Solar Home

DC energy created by the PV panels runs into the inverter and creats an alternating current (AC). Then AC current is metered prior to heading back into the grid.

U.S. Solar Radiation

Philadelphia Solar Chart

This chart shows Philadelphia averages 1600 kW-yr.