Rhode Island Code of Regulations
Title 810 - Public Utilities Commission
Chapter 00 - General Administration
Subchapter 00 - N/A
Part 5 - Additional Requirements for Filings of General Rate Schedule Changes
Section 810-RICR-00-00-5.6 - Test Year and Rate Year Filing
Current through September 18, 2024
A. Test Year. The filing shall present cost of service and rate base schedules for a test year period. The test year constitutes a historic year of actual data for a period ending within nine (9) months of the filing date. The test year may be for such other period as the Commission may allow.
B. Rate Year. The rate year is the twelve-month period for which new rates are designed to recover the proposed cost of service. The rate year period shall be the filed test year or such other yearly period which commences no later than eight (8) months after the proposed effective date of the new tariffs.
C. Adjustments to the Test Year. Where a rate year is filed for a period different from the test year, supporting schedules or workpapers shall be filed to disclose the manner in which the rate year amounts were calculated. The adjustments to the test year shall be fully explained in written testimony, and the source of the data in support of the adjustments shall be presented, or disclosed, as appropriate.