Wash. Admin. Code § 480-85-030 - Definitions
(1) "Allocation
factor" means a mathematical expression of the specific cost relationship among
revenue requirement and customer classes.
(2) "Common function" means costs that can be
func-tionalized to both electric and natural gas operations.
(3) "Cost of service study" means a study
that identifies and calculates, using regulatory accounting rules and
principles, the extent to which customers in various customer classes cause
costs to a utility. This study correlates a utility's costs and revenues with
the service provided to customers in each customer class.
(4) "Electric distribution system peak" means
the maximum load of the Washington portion of a utility's distribution system
within an identified time frame.
(5) "Load study" means a statistical analysis
of load data collected from sampled customers to estimate the load profiles of
customer classes over a minimum twelve-month period. Load profile estimates of
customer classes shall be hourly (or subhourly) for electric, and daily for
natural gas. A load forecast or load projection model is not a substitute for a
load study.
(6) "Parity ratio"
means a customer class's revenue-to-cost ratio divided by the system's
revenue-to-cost ratio. This ratio shall only be presented to the commission as
either a percentage or a decimal.
(7) "Revenue-to-cost ratio" means revenue at
current rates divided by the revenue requirement. This ratio shall only be
presented to the commission as either a percentage or a decimal.
(8) "Special contract" means a negotiated
service agreement between a utility and a customer approved pursuant to WAC
480-80-143.
Notes
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