Dear Pung Andita,
Thanks for your email.
We can supply you 500KW system. We have two different systems for your choose, one is UFBG (updraft fixed bed gasifier) , one is CFBG(circulating fluidized bed gasifier).
UFBG system can use size 1-8cm, humidity max 35%.
CFBG system must use size less than 1cm ,humidity less than 16%.
What is percentage of dust wood and wood chips as your raw material? and what is humidity for your fuel?
Best Regards.
Charles