man's roof system slashes use of gas and electricity
few years ago, Jim Camasto thought about investing $20,000 in the stock
But instead, Camasto, 43, of Naperville, spent that money
on a safer, "greener" investment — solar power.
installed a solar thermal and solar electricity system on his roof,
which helps heat and power his home.
His gas use has dropped more than 50 percent, and his electricity
use has dropped about 70 percent. He sells extra power back to the
electricity grid and sells renewable energy credits, which investors buy
and trade to support renewable energy projects.
His return on
his investment is about 3 or 4 percent a year. (more)