Illustration Signatories

The fight against climate change will be won or lost in urban areas. A vast majority of the European population lives and works in cities, consuming an estimated 80% of the energy used in the EU. Local administrations, as the closest government level to citizens are ideally placed to address climate issues in a comprehensive manner. More and more cities are thus deciding to take up the challenge, as shown by the growing number of Covenant of Mayors signatories.

Signatories represent cities that vary in size from small villages to major metropolitan areas such as London or Paris. Within a year following their signature, Covenant signatories commit to implement Sustainable Energy Action Plans on their territory, with the aim of cutting CO2 emissions by at least 20% by 2020.

The list of cities that have signed up to the Covenant may be found below.

Vila Nova de Gaia

2020 CO2 target


Mayor (or equivalent): Eduardo Vítor Rodrigues
Population: 312,742 inhabitants

Covenant status

Date of adhesion: 30 April 2008
Status 3


Main contact: Luís Castanheira
Position: Covenant coordinator


Landfill Biogas recovery for electricity production
Sector: Local electricity production
Implementation timeframe: 2010 - 2012
Area of intervention: Combined Heat and Power
Policy instrument: Not applicable
Responsible body: Suldouro, SA
CO2 reduction :
11919 t CO2 eq./a
Renewable energy produced (MWh):
32302 MWh/a
Implementation cost (€):
2.5 Million €

Description: Promoção da diversificação das fontes de energia com o aproveitamento do potencial do biogás na Central de Valorização de Biogás do Aterro de Sermonde – Suldouro. 

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Benchmarks Date Language
Landfill Biogas recovery for electricity production 8 Jul 2014 pt
Sustainable Social Housing 8 Jul 2014 en
Municipal Regulation for Sustainability 8 Jul 2014 pt
Last updated at: 10 April 2015
The sole responsibility for the content of this website lies with the authors. It does not reflect the opinion of the European Union. The European Commission is not responsible for any use that may be made of the information contained therein.
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