TMAI inaugurates its Kendal solar factory

Solar manufacturing in Kendal

KENDAL, Central Java — PT Trina Mas Agra Indonesia (TMAI) inaugurated its integrated solar-cell and module factory on Jun 19, 2025. Industry Minister Agus Gumiwang Kartasasmita attended the opening in the Kendal Industrial Estate.

Deputy President Director Lokita Prasetya put investment above IDR 1.5 trillion. The company lists initial annual panel-manufacturing capacity of up to 1 GW. Its announced specifications include i-TOPCon Advanced technology, panel output up to 720 Wp and 23.2% efficiency.

TMAI

The company put jobs created at up to 640, with training in solar-cell and module manufacturing.

Construction began in 2023

TMAI held its groundbreaking ceremony on Aug 28, 2023, in the Kendal Industrial Estate. Agus Gumiwang Kartasasmita joined TMAI President Director Ooi Kok Tiong and Kendal Regent Dico M. Ganinduto at the construction milestone. Lokita Prasetya represented the company in explaining the development programme.

The initial construction plan envisaged investment exceeding US$100 million. TMAI planned annual manufacturing capacity of 1 GW, with an expansion to 3 GW over the following two to three years, depending on domestic demand.

The 2023 product plan specified panels rated at 700 Wp. Lokita Prasetya also described supplying other domestic panel manufacturers as part of the company's intended production activities.

A soft launch preceded the inauguration

TMAI held a soft launch in the Kendal Special Economic Zone on Oct 30, 2024. The event formed part of the project's first development phase, which the industrial park described as an investment exceeding US$100 million with 600 workers.

The soft-launch specifications covered photovoltaic panels using i-TOPCon Advanced n-type technology, with panel power reaching up to 700 Wp. The project then envisaged increasing annual capacity to 3 GWp within two to three years at the same location.

Participants in the October event included:

Hartanto Wibowo, PLN's Director of Corporate Planning and Business Development;
Sahid Junaidi, Secretary of the Directorate General of New, Renewable Energy and Energy Conservation;
Tjertja Karja Adil, Head of the Kendal Special Economic Zone Administrator.