Expanded its business to renewable energy in 2010, GUNKUL recognized the potential of renewable energy as the solution to the nation’s problem in electricity generation shortage which led to the establishment of a new solar rooftop business unit, GRoof - Smart Living by GUNKUL.

Total Capacity
3,827.49 kWp
Total Projects
Commercial Operation Date (COD)
294 Projects

With more than 40 years of experience in the electrical engineering industry, GRoof takes pride in delivering comprehensive services - helping a diverse range of clients from homeowners to commercial enterprises, reducing electricity cost and moving the community towards sustainability.

Our team of dedicated experts is well-equipped and committed to providing you with a seamless experience, a cost-efficient & reliable clean energy solution. We prioritize your satisfaction as a solar rooftop one-stop-service.

Service Highlight
Premium equipment
Expert design & installation
User-friendly solar application
Worry-free after sale service
Permit & License service

In Addition to our EPC services, GRoof also provides a Private PPA (Power Purchase Agreement) program - an alternative opportunity to embrace clean energy without the burden of significant upfront costs and improve clients’ business cash flow through fixed, predictable energy pricing. With our expertise, we structure customized PPAs that align with your specific energy needs and financial goals.

GRoof has provided solar rooftop services to more than 500 home owners and more than 700 commercial buildings nationwide such as CJ more, Origin Property, Pruksa, Jaymart, etc.

Our Locations

GRoof provides solar roof installation services throughout Thailand with the expertise of our team and trusted services for both residential and business sectors. Currently, we have completed installations in more than 60 provinces across all regions.

Our Projects Cover
18 Provinces
Total Projects
294 Projects