Earning power is defined as the worker’s ability to earn income as a result of labor. RCW 51.32.090 requires self-insurers to compensate a worker for loss of earning power (LEP) when the worker’s earning capacity has decreased more than 5% as a result of the industrial injury or occupational disease.

For more detailed information about calculating LEP, go to the Loss of Earning Power Compensation section of the Claims Adjudication Guidelines.

LEP calculations may also be done manually using the Loss of Earning Power Calculation (LEP) worksheet.