sustainability studies

Sustainability Audits


Sustainability audits, also known as environmental or social audits, are assessments conducted to evaluate an organisation’s performance in terms of sustainable practices. These audits help organisations identify, measure, manage, and report on their environmental, social, and economic impacts. The goal is to ensure that the company operates in a responsible and sustainable manner, considering its effects on the environment, society, and economy.


Sustainable production involves creating goods or services in a way that minimizes harm to the environment, respects social values, and remains economically viable over the long term. It aims to meet present needs without compromising the ability of future generations to meet their own needs. This is the overall objective. Sustainability Studies will measure and record usage to identify opportunities to reduce use, use alternative bio fuel or explore innovative concepts like carbon capture but it starts here with identifying operational needs.


The EU has a drive for science-policy solutions; for a more sustainable Europe the #Think2030 Action Plan (30×30 Actions for a Sustainable Europe) provides the framework towards a more sustainable future. These concepts are central to WEW’s service application for client orientated decarbonisation programmes. Climate change will drive this forward at an ever-increasing pace, and all sectors must embrace and adapt.

sustainability audit wew engineering
sustainability audits best practices for sustainability
sustainability audits best practices for sustainability
carbon footprint

OECD 7 action steps to sustainable production

1. Map your impact and set priorities: Bring together an internal “sustainability team” to set objectives, review your environmental impact and decide on priorities.
2. Select useful performance indicators: Identify indicators that are important for your business and what data should be collected to help drive continuous improvement.

3. Measure the inputs used in production: Identify how materials and components used into your production processes influence environmental performance.
4. Assess operations of your facility: Consider the impact and efficiency of the operations in your facility (e.g. energy intensity, greenhouse gas generation, emissions to air and water).
5. Evaluate your products: Identify factors such as energy consumption in use, recyclability and use of hazardous substances that help determine how sustainable your end products are.

6. Understand measured results: Read and interpret your indicators and understand trends in your performance.
7. Take action to improve performance: Choose opportunities to improve your performance and create action plans to implement them.

WEW’s sustainable designs will guarantee compliance with the circular economy action programme (CEAP) with particular reference to recovery of CO2 and other co-products.

Sustainability Audit Methodology

In combination with our standard energy audit of the plant and processes, we also provide an in-depth study of the treatment system, its unit operations, and process efficiencies. This combined with the results of the energy audit enables us to develop holistic alternatives and options using the latest proven innovations to optimise the plant’s sustainability. These may include Biological Nutrient Removal (BNR), Energy Efficiency programmes and conversion of conventional plants to sustainable state-of-the-art process facilities, incorporating Anaerobic and Aerobic technology, bioenergy production, and conservation engineering, aiming for minimal carbon/water footprints.

Consideration is also given to the possibilities for recycling and reuse of by-products such as sludges, digestates, recovered nutrients, and the reclamation of retentates and washwaters. In many cases, the issue of water reuse may justify advanced treatment of condensates or high-quality tertiary effluents for recycling and reuse. The sustainability report is presented with costed recommendations for maximum reduction in energy and chemical outlay.

For further preplanning services our pilot projects post is here for your information.

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