Our Cleantech interests focus on renewable fuels, transportation systems, biomass energy, and energy efficiency - four key Cleantech sub-sectors with strong presence throughout the Pacific Northwest and exceptional global market potential.

Solid state lighting technology	Manufacturer of advanced wind turbines designed specifically for distributed wind power applications.	Nano-structured materials to enhance energy and power density in ultracapacitors
Silicon MEMS technology for precision fluid control applications and reduction of energy consumption	Exhaust after-treatment of nitrogen oxide and particulate matter emissions for diesel engines	Advanced materials for thin-film solar cells and radiation detection/imaging in medical and security applications
Developer of solar grade silicon purification technology. Acquired by Calisolar Feb-2010.

Yaletown is an active supporter of the Northwest Energy Angels in its mandate to bring investment capital, strategic advice and mentoring to Pacific Northwest cleantech companies focused on becoming market leaders.