AUBURN – Central Maine Technical College and the Maine Department of Economic and Community Development’s Energy Conservation Division will hold a workshop on grid-tied photovoltaic systems, an alternative energy resource, from 8 a.m. to noon Thursday, June 19, at the college. The cost of the workshop is $35.

Photovoltaic systems may be used in grid-tied residential and commercial systems, stand-alone systems for homeowners and remote camp electrical systems. The workshop will include demonstrations of both a grid-tied and a battery-backup photovoltaic system, utilizing a unique mobile demonstration unit. Topics will include components, site evaluation, system design and implementation, as well as an introduction to Article 690 (Photovoltaic Systems) of the National Electrical Code.

Blair May of Solar Winds Northern Lights, a local renewable energy services company, will present the workshop. May, along with his brother Chris, founded the company in 1990 as a result of an increased demand for solar electricity services.

Between them, they have more than 40 years of general contracting and related experience, of which 18 years are specifically in the solar energy field. The company is based in Maine and California.

Licensed electricians and others that may have an interest in grid-tied alternative energy technologies are encouraged to attend.

The deadline to register is June 12. For more information or to register, contact the CMTC Corporate and Community Services Department at 755-5280 or 1-800-891-2002, extension 280, e-mail [email protected] or visit

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