Commence operation means to have begun any mechanical, chemical, or electronic process, including start-up of an emissions control technology or emissions monitor or of a unit's combustion chamber.
Operating or "Operation" means to provide (or the provision of) all the operation, engineering, purchasing, repair, supervision, training, inspection, testing, protection, use, management, improvement, replacement, refurbishment, retirement, and maintenance activities associated with operating the Generating Facility in accordance with Prudent Electrical Practices.
Base Operating Costs means Operating Costs for the calendar year specified as the Base Year in the Basic Lease Information (excluding therefrom, however, any Operating Costs of a nature that would not ordinarily be incurred on an annual, recurring basis).
Salvage operation means any business, trade or industry engaged in whole or in part in salvaging or reclaiming any product or material, including but not limited to metals, chemicals, shipping containers or drums.
Gross Operating Profit For any Fiscal Year, the excess of Gross Revenues for such Fiscal Year over Gross Operating Expenses for such Fiscal Year.