Renewable Energy Associates, LLC
1220 NW Kings Blvd, Corvallis, OR 97330
Phone/Fax: 541.754.2001

Ryan MayfieldRyan Mayfield
REA Principal

Ryan Mayfield has been working in the renewable energy field since 1999 and is the President of Renewable Energy Associates, a consulting firm providing design, support and educational services for electrical contractors, architectural and engineering firms, manufacturers and government agencies. Ryan serves as Photovoltaic Systems Technical Editor for SolarPro magazine, regularly authoring feature articles in SolarPro and Home Power magazines and authored PV Design and Installation for Dummies. Ryan was also a contributor and video team member for Mike Holt’s, Understanding the NEC Requirements for Solar Photovoltaic Systems.

He is a Certified Master Trainer (from the Institute for Sustainable Power and Quality) for the PV course he teaches at Lane Community College. Ryan also teaches various PV courses across the nation for electricians, existing solar professionals, code officials, inspectors and individuals looking to join the solar industry. Class topics include National Electrical Code and PV systems, commercial PV systems, introduction to PV systems, preparation for the North American Board of Certified Energy Practitioners (NABCEP) Entry Level Exam and NABCEP’s Certified PV installer test. Ryan holds a Limited Renewable Energy Technician (LRT) license in Oregon, is an Oregon Solar Energy Industries Association (OSEIA) board member and chairs the state’s LRT apprenticeship committee.

John Stimac
REA System Designer

John Stimac graduated from Lane Community College in 2009 with an Associate’s degree in Renewable Energy Management. He has been actively working in the renewable energy field since 2006 and has personally assisted in the installation of over 300kW and helped design over 1.5mW of solar PV.  He is the CAD system manager, lead drafter and web manager for REA and his project responsibilities include initial site visits, analyzing site characteristics, doing site shading analysis and developing project drawings. He has helped create project standards at REA with an emphasis on CAD drawing template development and implementation. He holds a Limited Renewable Energy Technician (LRT) license in Oregon and a well rounded understanding of construction and design practices.

Preston Kahl
Cad Draftsman

Preston Kahl graduated from Linn-Benton Community College in 2012 with a two year degree in drafting and civil engineering where he learned advanced methods utilizing CAD software programs to create 2D and 3D professional drawings. He has years of experience working as a licensed Oregon Real Estate broker and also has over two and a half years in the Construction industry. He started working in the solar industry in late 2012 and is one of the two CAD professionals at REA. Since arriving in the solar industry he has taken various classes through SEI (Solar Energy International) as well as NEC (National Electrical Code) to enhance his knowledge in the industry to help make the customers experience an easy process.