Alternative-fueled Vehicle Tariffs, Infrastructure and Policies (R.09-08-009)
What’s this? This rulemaking will consider tariffs, infrastructure and policies needed for California investor-owned electric utilities to ready the electricity system in a consistent, near-term manner for the projected statewide market growth of light-duty passenger plug-in hybrid electric vehicles ( PHEV) and battery electric vehicles (BEV) throughout California.
What’s new?
On Aug. 21, the CPUC issued a Ruling to provide additional guidance to the investor-owned utilities (IOUs) regarding the requirements for the load research report (LRR). As noted in a prior Ruling, the Energy Division recommends that additional data be collected beyond the currently available metering data used in the LRR. The ruling indicates that currently collected metering data does not provide insight into charging behavior away from home, i.e., at workplaces or public sites or in instances where residential charging is done under a whole-house rate and how this charging behavior might be impacted by tariff rates or charging levels. To remedy this, the ruling directs the IOUs to file a revised research proposal to collect additional detailed data needed to assist the CPUC in obtaining a more complete picture of charging behavior. At a minimum, the data collected must specifically address the following LRR requirements: evaluation of how metering arrangements and rate design impact electric vehicle charging behavior; determination of how charging arrangements, including metering options and alternative rate schedules impact charging behavior at multidwelling units; and evaluation of whether distribution costs are increased by different charging levels, i.e., Level 1, Level 2 and quick charging, in public locations. The ruling additionally directs the IOUs to consult with the Air Resources Board to identify opportunities to collaborate on this research topic. The ruling directs the IOUs to file a Tier 2 advice letter with the CPUC outlining their research plan and any requested funding needs on or before Sept. 30.
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