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SIG Combibloc – Thailand.

Decrease SIG carbon footprint and energy costs by shifting to solar energy.


SIG Combibloc is the world leader in aseptic packaging.

As a part of their consistent efforts towards becoming a net energy positive enterprise, the company wanted to implement an onsite solar PV solution for one of their factories in Rayong, Thailand.


  • To Install the rooftop solar power plant on an approximately 18,000 square meter metal and reinforced cement concrete (RCC) rooftops at the SIG Combibloc factory in Rayong, without disturbing routine factory operations.
  • To optimize the power injection points within the premises to minimize power loss and attain maximum power generation.
  • To ensure easy and safe access of men and material to the factory’s roof daily.
  • To follow stringent construction planning to avoid unplanned shutdowns during the operation hours of the factory.


  • In 2018, BECIS commissioned a 3,330 kWp capacity onsite solar PV power plant with BECIS providing the capital as well as developing, constructing, and operating the plant with a long-term power purchase agreement with SIG.
  • More than 9,000 dual glass PV modules were installed on nine roofs of the factory, using different module mounting structures customized for each roof.
  • It is one of the most significant solar power projects in the Eastern Seaboard Industrial Park in Rayong, Thailand.
  • Based on the success of the first plant, BECIS has developed an expansion at the SIG facility of a further 340kWp, ground-mounted, and with single-axis trackers.
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