For the purpose of justifying the reasonableness of a proposed new rate schedule, a utility may utilize either a historical test period of twelve (12) consecutive calendar months or a forward-looking test period of twelve (12) consecutive calendar months consisting of six (6) months of actual historical data derived from the books and records of the utility and six (6) months of projected data which together shall be the period or test year upon which fair and reasonable rates shall be determined by the Arkansas Public Service Commission. However, the commission shall also permit adjustments to any test year so utilized to reflect the effects on an annualized basis of any and all changes in circumstances which may occur within twelve (12) months after the end of the test year where such changes are both reasonably known and measurable.
Ark. Code Ann. § 23-4-406
Test periods to justify new rates
Applied in 4 court decisions — leading case Arkansas Gas Consumers, Inc. v. Arkansas Public Service Commission (2003)
Most recently applied in 104 Ark. App. 147 - Entergy Arkansas, Inc. v. Arkansas Public Service Commission (December 2008)
Acts 1981 (1st Ex
How often courts cite this section
Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.
Current official text: Arkansas General Assembly. Digitized from the UniCourt Code Improvement Commission public-domain capture. Reproduced from public-domain Arkansas statutes; confirm against the official source for the current text. Not legal advice.