At her New Jersey home US make-up guru Bobbi Brown is considering how to do full-on party glam - when you're a grown-up who doesn't want to look like she's rolled in glitter.
For a typical American home, that could mean about 25 to 30 solar ... 30% of the total cost of a new solar PV system. Homeowners, businesses and nonprofits can qualify, but there are some limitations.