Standard methodology and online tool for assessing and improving the energy efficiency of wastewater treatment plants

Project fiche




European Commission


Project ended


Universidad de Santiago de Compostela

Project type


Total budget

1.731.087 €


1/3/15 – 31/10/18


The project

Develop, validate and disseminate an innovative standard methodology to continuously assess, label and improve the overall energy performance of Wastewater Treatment Plants (WWTPs). ENERWATER is devoting significant resources to ensure that the methodologies are widely adopted. Subsequent objectives include encouraging dialogue for the creation of a specific European legislation based on recently approved EU directives, continuing efforts to meet EU energy reduction objectives for 2020, and ensuring effluent water quality, environmental protection and compliance with the Water Framework Directive (FWD).

Consortium: Universidad de Santiago de Compostela, Wellness TechGroup, Asociación Española de Normalización, Università degli studi di Verona, Espina & Delfin S.L., Technische Hochschule Köln, Energia Territorio Risorse Ambientali - Etra Spa, Aggerverband, Cranfield University.


  • To create a collaborative framework to apply common methodologies based on previous experiences.
  • To test methodologies to reach a 30% reduction in consumption across 65 WWTPs.
  • To create an open database to share data on energy consumption.
  • To promote networking and involvement among European stakeholders.
  • To contribute to the European Standardisation System and foster the creation of a new standardised document.


  • Installation of the WeSave energy monitoring system in WWTPs, to track the electricity consumption of each individual process over time.
  • Deployment of the management platform to collect WeSave data and make it available to management at each plant.
  • Creation of an online tool for the energy certification methodology.