Team GR Green at the NW Clean Tech Open finals in Portland.

Homes made out of milk bottles; networked water purifiers and other winners from the Clean Tech Open

Sixteen cleantech startups from around the Northwest gathered in Portland this week to learn which lucky three would represent the Pacific Northwest in the national Cleantech Open business competition in November. The Cleantech Open Tuesday night named the three startups that will move on to compete with other North American teams at the Cleantech Open… Read More

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Q&A: Pterofin borrows wind turbine design from bird wings

Seattle-based Pterofin has copied designs from nature to develop eye-catching turbines for wind and hydro power. That has earned the company several awards, most recently a semifinalist position in the 2012 Pacific Northwest Cleantech Open. I chatted with Pterofin founder and inventor Wallace Kempkey to get the whole story. How is Pterofin going to change… Read More

Drago Ognjenovic

NADAC Systems turns off the lights, and more, to save energy

Portland-based NADAC Systems has developed technology that saves energy by switching off unoccupied spaces. That recently earned the company a semifinalist position in the 2012 Pacific Northwest Cleantech Open. I met up with NADAC’s CEO, Miodrag Ognjenovic, to find out more. How is NADAC Systems going to change the world? “Our building control system is… Read More

Team Solansphere at the UW Environmental Innovation Challenge. Photo Matt Hagen

Q&A: Solensphere looks to make solar power cheaper and more reliable

Solensphere Renewables has developed a solar concentrator system that intensely focuses sunlight using a reflector fashioned after a telescope. Concentrating sunlight makes more efficient use of expensive solar cells. To learn more about the southern Oregon-based company I talked with founders Corbyn Jahn, COO, and Adam Burwell, CEO, both students of Renewable Energy Engineering at… Read More

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Q&A: Startup’s innovation boosts renewable energy output

Global Green Energy in Tumwater has hardware that solar power system owners use to feed renewable energy into the electric grid. To find out more, I talked with Global Green Energy co-founders Don Moss, President and CEO, and Zachary Butler, Vice President. How is Global Green Energy going to change the world? “Global Green Energy… Read More