The natural gas input is largely used by the power plant of the Gendorf site, which uses a gas turbine, two steam turbines and a heat recovery steam generator to supply up to 72 MW of electrical power and 146 MW of heat in the form of steam . An auxiliary boiler at the power plant is able to produce additional steam . The plant is able to generate surplus electricity and feed this back into the electricity grid , but it is not reported to which extent this happens. Some of the natural gas is also directly used by the chemical processes, but to a smaller extent than for the power plant. An on-site wastewater treatment plant treats about 2.5 Mt a -1 of wastewater from the chemical processes, while a minor amount of about 6 kt a -1 of wastewater is instead treated at the municipal wastewater treatment plant .