The Post Office Gets More Efficient.

Energy efficient, that is. Chevron has just completed a new $18 million solar installation at the postal sorting facility in West Oakland that will save the agency $1 million a year and cut power purchases from PG&E by nearly one-third.

The 1 megawatt array is among the largest in the country and is the size of almost two football fields.

Sun delivers for Oakland mail plant [insidebayarea.com]