Great Canadian Solar Ltd.

Great Canadian Solar Ltd. (GCS) is a 100% Alberta-owned electrical contracting company based in Edmonton. Established in 2009, GCS has become one of Western Canada’s most experienced solar contractors with over 14 years in operation and more than 500 completed projects totaling over 80 MW of installed capacity. The company specializes in the engineering, procurement, construction (EPC), installation, and servicing of both grid-connected and off-grid photovoltaic power systems for utility-scale projects as well as large commercial and residential markets.
GCS holds certifications from ISNetWorld and COR for safety standards compliance. Their team includes Master Electricians and Professional Engineers with advanced training such as NABCEP PV Installation Professional certification. Notably committed to community engagement—especially with Indigenous communities—and gender diversity within renewable technology fields, GCS also partners on charitable initiatives like the Kidney Foundation’s #KidneyWalk.
The company has delivered landmark projects such as a 6.5 MW system for Shell Chemicals using over 14,000 modules—a testament to its technical capability at scale. GCS serves all regions across Alberta plus Saskatchewan and British Columbia.