Powergrid International Limited  
Thailand #1 in Power Transmission System.

Powergrid International Limited
is one of the first and most recognized Thai consultancy companies providing engineering services specializing in power transmission and energy sector.

Our Vision
To be the leading Southeast Asian consultants in the fields of power transmission system and energy sector.
Company History
Established in 1993 with its head office in Bangkok, Thailand as Transec International Co.,Ltd. and renamed as Powergrid Consultants since 1997, it has successfully completed a number of projects for power utilities, i.e., EGAT, PEA and other construction companies as well as power producers.
Quality Policy
Abiding by the highest engineering standard, quality and the professional code of ethics with continuous development, we strive for customer’s satisfaction


Recognized in
- ADB DACON, Registration No. 001120
- IBRD DACON for the energy sector
- Thai Consultant Database, Ministry of Finance,
- Registration No.667 Type A
Announcement of change of corporate name
Please be informed that, as from 15th July 2010, the name of our company will be changed from "Maunsell Powergrid Limited" to "Powergrid International Limited".

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Powergrid International Limited
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