helix roof system

Contra Costa Country is aiming to save US$16.5 million over a period of 25 years through the new EV infrastructure.

Major PV energy provider SunPower has said its recently launched ‘Helix’ Roof product was able to be installed by at least two and a half times faster than competing commercial rooftop systems, after consultancy DNV GL undertook a ‘Mounting System Installation Efficiency Test’ in December 2015.