Home Recent projects Photo Gallery Frequently-asked questions System Components Load evaluation Bookstore Solar links Electric vehicle info Green links npc speaking/classes/letters npc bio Contact npc Solar North American Board of Certified Energy Practitioners (NABCEP) Certified PV Installer Sharp Solar Certified Installer SMA trained Installer Site updated 11th April 2008	PV Design: npc Solar. PV Installation: North Bay Solar Electric. Patio Structure: R.T.West Construction. Photo: B. Larsen. Visit to the windfarm at the North end of Big Island, HI (Mar 2008). 16 x Vestas 660kW turbines (~10.5MW).