The CCS Products LCDA-EP LCD Display, kWh and kW Demand, for WNB Series toggles between displaying power and energy at the press of a button. When displaying accumulated energy, the display can be configured to watt-hours (Wh), kilowatt-hours (kWh) or megawatt-hours (MWh). The scale factor and decimal point can be adjusted to display in the following units: WH, hundredths of kWh, tenths of kWh, kWh, or thousandths of MWh. With appropriate scale factors, the display overflow interval (from all 9's back to 0) can be set from less than a year to over a hundred years.