1. Hahn HH (2014) Wastewater treatment requirements through the years (exemplified by the development in Germany). In: Jenkins D, Wanner J (eds) Activated sludge – 100 years and counting. IWA Publishing, London
2. NYSERDA (2010) Water & wastewater energy management: best practices handbook. New York State Energy Research and Development Authority and Malcolm Pirnie, Inc
3. Chang Y, et al (2008) Evaluation of dynamic energy consumption of advanced water and wastewater treatment technologies. Awwa Research Foundation (AwwaRF). ISBN: 978-1-60573-033-2
4. Monteith H, Kalogo Y, Louzeiro N (2007) Achieving stringent effluent limits takes a lot of energy! In: Proceedings of WEFTEC® 2007 – the 80th Annual Technical Exhibition and Conference of the Water Environment Federation, San Diego, CA, October 13–17, pp 4343–4356
5. AEMO (2019) National electricity market, electricity - average price. Australian Energy Market Operator. Available at: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/data-dashboard-nem. Accessed 20 April 2019