Capwatt Biometano Aljustrel

Operating In regular operation since April 2026, after tests from November 2025 to March 2026. approximate location

A Capwatt plant producing liquefied biomethane from AZPO olive-sector by-products. It has been in regular operation since April 2026.

What we know

Promoter	Capwatt Biometano Aljustrel, Unipessoal Lda (Capwatt / Sonae)
Location	Aljustrel, Aljustrel (Beja)
Capacity	57 GWh/yr (design)
Feedstock	Olive-sector by-products (AZPO)
Status	Operating since April 2026

The plant uses about 160,000 m³/yr of agro-industrial by-products from AZPO – Azeites de Portugal. The biomethane is liquefied and trucked to autonomous gas units such as Évora's. It received €2.36 million of PRR support and €12.5 million of green financing.

A secondary source reports production of about 10 t/day of liquefied biomethane in 2026. We found no opposition.

What has happened

24 Mar 2025
Project announced
Construction under way.
23 May 2025
€12.5 million green financing
Apr 2026
Regular operation

On the map

Open the map

Open the interactive map

Documents and links

All projects See the sources

Sources on this page

Capwatt desenvolve primeiro projeto de produção de biometano a partir de subprodutos agroindustriais Capwatt · 24 Mar 2025
Biometano em Portugal: Capwatt avança em Aljustrel e impulsiona a descarbonização do gás heldermartins.pt (secondary) · 2026
Bio-LNG (supported project) Capwatt · consultado em 2026-10-16
Capwatt capta financiamento verde de 12,5 milhões para Aljustrel ECO · 23 May 2025

See all sources