Regulation-Legislation

Total Resource Cost (TRC)

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.

Marginal Cost

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 …

Marginal Cost Read More »

Marginal Supply

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 …

Marginal Supply Read More »

Nonattainment

An area that does not meet (or that contributes to ambient air quality in a nearby area that does not meet) the national primary or secondary ambient air quality standard for the pollutant established by the U.S. Environmental Protection Agency pursuant to the federal Clean Air Act [as amended].  [Source: California Air Resources Board website: http://www.arb.ca.gov/cc/inventory/inventory.htm] …

Nonattainment Read More »

NPDES

National Pollutant Discharge Elimination System

OIR

Order Instituting Rulemaking (CPUC)

Scroll to Top