Inverter-based welding power sources, such as Lincoln Electric Flextec®, Invertec® and Power Wave® welders, operate at higher frequencies than traditional power sources, resulting in smaller, more efficient magnetic components that require less electrical power and reduce overall energy use.

Calculate Your Inverter Energy Savings
Step 1: Select Equipment and Current
Lincoln® Inverter Machine Conventional Machine
Total Number of Machines:  
Percent of Machines Welding at One Time:  
Output Current:   Voltage  
Step 2: Enter Energy Usage Charges
Power Factor
Type in the gray boxes below.
Energy Charge ($/kWh)
Number of Shifts
Hours per Shift
Days per Week
Weeks per Year
Operator Factor
Energy Cost (Yearly)
Step 3: Enter Energy Demand Charges
One Machine Demand (kW)
Demand Charge ($/kW)
Demand Cost (Yearly)
Total Yearly Energy Cost
Your Annual Energy Savings Using
Lincoln Flextec™ 650 Vs. Lincoln DC-600
All testing was performed using these input power parameters: 460V / 3Ph / 60Hz.

The trademarks Miller Electric® and Dimension™ are the property of Illinois ToolWorks Inc. Actual input power and input current draw product testing was completed by Lincoln Electric personnel in Cleveland. Testing results were complete and accurate at the time of testing.