The project is assessed by both technological and economical aspect, following the viability research, based on… 


After the successful trial-run of your biogas plant we still remain your contact partner. Μέσω του συμβολαίου…


This illustration shows the scheme of a two-step biogas process with a mixing tank. In the mixing tank, all input material… 


Projects outline has to do with accurate biogas plant dimensioning and the project development as well , based on … 


If you have chosen Sigma Energy as your partner in a biogas plant construction…


The most important step , for a constant operation of a biogas plant  , is the successful installation start… 



Sigma Energy is Sigma sa affiliated company , founded on 2011.

Foundation main target is proceeding to other than Sigma sa activiites,i.e. from solar water heaters manufacture  to electric energy projects study, development, implementation and management based on Renewable Energies.

Company focused on all development , management and exploitation stages of  Energy projects , starting with study , design , building and installation , function and inspection and on the other hand maintenance , expansion and overall electric power plants management.
Sigma  Energy administration portfolio deals with PV parks and Biogas plants through anaerobic digestion. Sigma Energy crew is a team of well trained Technical and Financial analysts, experienced both in the Business Environment and Renewable Energies .

Sigma Energy strategy aims at fast evolvement and establishment in the Electric Power production through Renewable Energies. Sigma Energy business plan , for the next 5 years is focused on finding investment and development projects in the Renewable Energies sector ,both in Greece and abroad.

Main targets:
•  Investments research through development process in opening markets .


Contact us

Sigma Energy
L.Athinon 112
email :