This is something that any of the high rise buildings, especially the ones that have condo fee to include utilities (and there are plenty of them!) can use their rooftop to house solar panels. I could name names here. For example, Watergate at Landmark, Skyline, Pimmit Hills. To name a few. You can find many of these condos are located in Alexandria, Arlington, Falls Church, and all around DC region, incl. Maryland. They have 'unused' rooftops.
If they're unused, why not use it to house solar panels then?
There are many benefits to have installed the panels on the roof. Among others is reducing their utility bills. Some of the high rises tuck in all utilities into their monthly fee. As a result, the condo fee is so high. Depending on the square footage, a one bedroom condo fee at one of the buildings I mentioned could range anywhere from high $400 to $800 a month!
Net metering is when you send electricity back to the grid, thus, spin the meter backwards. Each jurisdiction has its own regulations. (I've written extensive posts on the this topic before, here and here.) Updated version of net metering for DC, Maryland, and Virginia.
When it comes to residential incentives, Maryland offers the most to its residents. So, why not condo owners co-op and fund solar energy for their buildings.
Just a thought..
[Video via Talking Green]