act4energy

Act4energy P.C.

Ioannina, Greece

Biogas

Founded 2018

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Profile last updated: October 10, 2026

About

Founded in 2018, act4energy is a renewable energy company headquartered in Ioannina, Greece specializing in Biogas.

Act4energy is a research and technology-oriented spin-off of the Democritus University of Thrace. It develops and applies innovative solutions for environmental protection, by-products management and valorization. The company provides R&D services for new cleantech products, specialized consulting for anaerobic digestion and biogas facilities, and the BIO-X biological odor control system for wastewater treatment.

Headquarters

Ioannina, Greece

Founded

2018

Focus areas

Anaerobic digestionBiogas productionBiogas upgradingOdor controlBiological air purificationWastewater treatmentResidue valorizationBioprocess monitoringEnvironmental engineering

Products & services

Business models

B2B

Value chain

R&DConsultingDevelopment

Service areas (2)

Biogas and anaerobic digestion
Bioprocess monitoring, lab-scale bioreactor testing, process design, feasibility studies and consulting for biogas production facilities.
Odor control
Development of the BIO-X biological air purification system for removing gaseous pollutants such as hydrogen sulfide from wastewater treatment plants and other facilities.

Locations

Headquarters

Pefkis 4, 45333, Ioannina, Greece

Projects

Anaerobic digestion facility for rendering wastes (MEATCOMPANY)

Anaerobic digestion facility

Integrated facility for treating high-oil and grease rendering wastes, including design and construction of an industrial prototype for anaerobic digestion of thermally pre-treated animal by-products. Generated biogas covers the thermal needs of the treatment facility.

Client: MEATCOMPANY