Dustin Shindo, chairman and chief executive officer of Hoku Scientific Inc., will be the keynote speaker during a luncheon at the eighth Biennial Efficient Electro-Technology Exposition and Conference on Sept. 18 at the Hawaii Convention Center.

The expo will feature more than 20 workshops on renewable energy, energy efficiency and other topics in keeping with it's theme, "Sustainable Solutions: Today, Tomorrow, the Future."

Registration is $110 per person. More information is available at http://energyexpo.heco.com or by calling 543-4790.