Forecasting of Wastewater Discharge and the Energy Consumption in China Based on Grey Model

Table 7

Forecasting of wastewater discharge, treated wastewater, and energy consumption in China.

Year	2016	2017	2018	2019	2020
Total wastewater discharge (billion tons)	75.87	77.13	77.89	78.02	77.39
Treated wastewater (billion tons)	58.01	62.93	68.27	74.06	77.39
Power consumption (billion kWh)	17.04	18.49	20.06	21.77	22.75