Public dossier Monforte · Portugal Updated 16.10.2026
Monforte biogas and biomethane plant
A Capwatt and Migasa plant for livestock effluent and olive-pomace oil wastewater, approved with conditions on 27 May 2026. The neighbouring municipality of Arronches gave an unfavourable opinion.
What we know
| Promoter | CapWatt Biometano Monforte Unipessoal, Lda (Capwatt / Sonae, com a Migasa) |
|---|---|
| Location | Monforte (Monte de Altinho), Monforte (Portalegre) |
| Capacity | Up to 4,018 t/yr of biomethane |
| Feedstock | Livestock effluent and olive-pomace oil wastewater |
| Public funding | €2,550,000 (PRR) |
| Environmental decision | Favourable with conditions |
The environmental impact declaration allows up to 4,018 t/yr of biomethane and bans category 2 and 3 animal by-products, because the plant has no pasteurisation unit. The announced investment is €18.5 million, with €2,550,000 of PRR support.
The public consultation drew 39 submissions, which raised the existing odours from Monforte's olive mill, tourism, the wine's reputation and water.
What has happened
-
Project announced
Consortium announces €18.5 million. -
Public consultation opens
Until 3 February 2026, with 39 submissions. -
Favourable decision with conditions
On the map
Documents and links
- CCDR Alentejo / APA SIAIA: DIA – Instalação de Produção de Biogás e Biometano de Monforte (opens in a new tab)
- Dinheiro Vivo / Lusa: Projeto de central de biogás e biometano em Monforte em consulta pública (opens in a new tab)
- ECO: Consórcio investe 18,5 milhões em central de biogás em Monforte (opens in a new tab)
- Fundo Ambiental: Comunicado 02/2024 – AAC 02/C14-i01/2023 (opens in a new tab)
Sources on this page
- DIA – Instalação de Produção de Biogás e Biometano de Monforte
- Comunicado 02/2024 – AAC 02/C14-i01/2023
- Consórcio investe 18,5 milhões em central de biogás em Monforte
- Projeto de central de biogás e biometano em Monforte em consulta pública