201101
Lopburi, Thailand84 MW
Our first utility-scale solar farm
IES began by bringing utility-scale solar into Thailand’s energy landscape, turning a new technology into dependable infrastructure at meaningful scale.
A history of
going first.
IES has grown by taking on ideas before they became obvious, building experience across technologies and markets, and earning the trust to take on ever greater challenges.
From Thailand’s early solar and wind projects to a cross-border landmark for Southeast Asia.
201402
Japan35 MW
Our first overseas mega-solar development
We carried that experience beyond Thailand, developing a large-scale solar project in Japan and proving our ability to work across markets, standards and cultures.
201503
Thailand120 MW
Our first generation of wind farms
IES completed its first group of wind farms, building the technical and development experience that would shape our next decade.
201904
Thailand135 MW
Commercial and industrial solar rooftops
IES brought solar directly to commercial and industrial users, opening a new path for businesses to access clean energy at their own facilities.
202505
Lao PDR → Vietnam600 MW
The iconic Monsoon Wind Power project
Asia’s first cross-border wind project reached commercial operation, delivered four months early and under budget after more than a decade of belief, partnership and perseverance.
Monsoon in delivery
What belief looks like when it becomes real.
Installed wind capacity
International project financing
Ahead of schedule
Operational availability