Experts Directory


Carol Weis writes and updates Solar Energy International's PV and Advanced PV curriculum and instructs in both their hands-on and online workshops. Through her work in the industry, Carol has traveled internationally to Nicaragua, Ecuador, Costa Rica, Haiti, and Mexico. She has been a trainer for SEI since 1998, and has instructed SEI's well regarded Women's PV class. She is a co-founder of SEI's Solar Sisters group, a discussion forum for women...

Michael Welch, a Home Power senior editor, is a renewable energy devotee who celebrated his 26th year of involvement with the magazine in 2016. He lives in an off-grid home in a redwood forest in Humboldt County, CA; and works out of the solar-powered offices of Redwood Alliance in nearby Arcata, CA. Since 1978, Michael has been a safe-energy, antinuclear activist, working on the permanent shutdown and decommissioning of the Humboldt Bay...

Erika Weliczko is founder and president of REpower SOLUTIONS, a renewable energy systems integration company that serves northeast Ohio. She holds degrees in engineering and music from Case Western Reserve University and in teaching from Kent State University. Erika is a NABCEP Certified Solar PV and Small Wind Installer, a licensed electrical contractor and a technical editor for Home Power magazine.

Check back for biographical information on this expert.
Check back for biographical information on this expert.

Lena Wilensky was inspired to take leave from her high-school teaching career to explore the world of renewable energy. She built her experience from Solar Energy International, taking classes, helping construct its PV Lab Yard, and now teaching PV classes and helping develop curricula. She spends her time running Nunatak Alternative Energy Solutions with her husband, trying to get outside more, and raising a future solar sister.

John Wiles works at the Southwest Technology Development Institute (SWTDI) at New Mexico State University. SWTDI has a contract with the US Department of Energy to provide engineering support to the PV industry and to provide that industry, electrical contractors, electricians, and electrical inspectors with a focal point for code issues related to PV systems. He serves as the secretary of the PV Industry Forum that will be submitting 30+ proposals...

Check back for biographical information on this expert.

Alex Wilson is president of the Resilient Design Institute and founder of BuildingGreen, Inc. in Brattleboro, Vermont, an 18-person company that has served the design and construction industry with non-biased information on environmentally responsible design and construction since 1985. He is author of Your Green Home (2006), and co-author of Green Development: Integrating Ecology and Real Estate (1998), and the Consumer Guide...

Check back for biographical information on this expert.

Vaughan Woodruff owns Insource Renewables, a solar design/build and consulting firm in Pittsfield, Maine. A NABCEP-Certified solar heating installer, he serves on committees for NABCEP, IAPMO, and IREC, and teaches for organizations across the United States. Vaughan co-authored the NABCEP Solar Heating Installer Resource Guide with Chuck Marken.

Ian Woofenden has lived off-grid with wind electricity, solar electricity, solar hot water, and wood heat on an island in the Pacific Northwest for more than 30 years, where he raised his large family, ran multiple businesses, and now focuses on educational work in the renewable energy industry.

His roles in the industry are:

Senior editor for Home Power magazine since 1998, where he writes about wind electricity and other renewable...
Check back for biographical information on this expert.