Total Resource Cost
Integrated Resource Planning
The TRC is a regulatory concept used to represent the total net costs of a resource decision. The TRC is used by the California Public Utilities Commission (CPUC) and other regulatory jurisdictions as one of several benchmarks used to evaluate the cost-effectiveness of various programs, measures, and strategies.
The cost to produce the next increment of a product or service. When used in water and energy resource planning, it is typically expressed as the incremental cost in $/unit to produce and/or deliver the next (marginal) resource, whether a gallon of water supply, a kilowatt or kilowatt-hour of electricity, or a therm of natural …
The last unit of supply needed to meet demand for a product or service. On a short‐run basis, the marginal supply is typically the last unit of resource – whether a water supply resource, a kilowatt hour, or a therm – used to meet demand. On a long‐run basis, the marginal supply is typically the …
The ability to select the most economic of two or more different energy sources at any point in time for the purpose of minimizing costs.
The value of a particular action that produces an economic benefit by reducing costs.