The current context of sewage treatment in Brazil is critical: only 40 percent of all generated wastewater is treated (ANA, 2015). Therefore, the expansion of the provision of sewage treatment services must take place within a scenario of investment difficulties, more stringent quality standards, higher energy and sludge operation costs and sewer rates that do not reflect real costs. Given that the provision of this service is not compromised and to move forward effectively on this issue, a change in management and paradigm breakdown must be done by establishing the concept of Industrial waste water treatment plant (WWTP). This concept envisions the WWTP as a closed loop, which receives an effluent for treatment and that through the efficiency of its processes delivers a treated effluent, seeking to optimize costs, recover and value the by-products and promote public health, based on a sustainable servicing of the institutional, social, environmental and economic dimensions. One of the potential by-products of sewage treatment is the biogas. This is because the UASB reactors for the treatment of domestic sewage is consolidated in the country (VAN HAANDEL et al., 2006; CHERNICHARO et al., 2015), considering the WWTP in operation, in different sizes and in the projects contemplated by the Growth Acceleration Program (PAC, in Portuguese). Chernicharo (2017) counted 908 anaerobic reactors that serve about 23 million inhabitants and routinely produce biogas. Considering the diagnosis of WWTPs carried out by the Agência Nacional de Águas - (2016), a Brazilian water agency, it shows that more than a third of the plants use anaerobic reactors. By transforming biogas from a by-product of the treatment process into a renewable energy source, WWTP also promotes a new level of service delivery, generating distributed energy that provides an improvement in the management of its energy and in the treatment processes. From the point of view of service provision, biogas plays a strategic role because it acts as a fuel to promote a sustainable service from a social, environmental and economic perspectives.