A very general per-square-foot estimate is between $8.25 for a 3,500-square-foot home, to $18.28 for a 1,500-square-foot home. To account for possible tax incentives, multiply the total by 0.30 (30%).

Individual solar panels come in a lot of different shapes and sizes, but generally speaking, they're about 3 feet by 5 feet, or about 15 square feet per panel, according to Pamela Frank, vice ...

Trina Solar, which has a U.S. headquarters in Fremont, Calif., will build a more than 1 million-square-foot plant in Wilmer, the company said Monday. The ...