Fredericia Spildevand og Energi A/S is a utility company serving Fredericia Municipality, Denmark. It transports and treats wastewater from homes and businesses, and produces energy from wastewater as part of its work in the wider water cycle. Its services include maintaining and operating the sewer network, pumping stations and treatment plant, as well as providing information and assistance on drainage and wastewater issues.

Customers can find guidance on sewer blockages, rats, emptying services, wastewater plans, prices, meter readings and what to do when moving. The company also offers advice on protecting sewer systems from rain, separating rainwater on private property, and arranging sewer flushing and CCTV inspections. Businesses can access information for industrial customers, including sub-metering.

Fredericia Spildevand og Energi shares updates on maintenance, construction and climate adaptation projects, and provides practical resources such as SMS service notifications and details of emergency contacts. It also offers tours of its treatment plant and lends a toilet trailer to local associations.