The EPA’s ENERGY STAR label is among the most generally identified shopper symbols within the US. ENERGY STAR-certified merchandise have helped customers save an estimated $246 billion in vitality prices since 1992, when this system started. In 2018, the ENERGY STAR program added EV chargers to the checklist of merchandise that may earn its certification.

Presently, Degree 1 and Degree 2 AC chargers are eligible for the ENERGY STAR label, and the ENERGY STAR Program is presently within the technique of increasing eligibility to incorporate DC quick chargers. In response to the EPA, ENERGY STAR-certified EV chargers use 40% much less vitality in standby mode, on common, than normal charging stations.

ENERGY STAR-certified EV chargers additionally provide different, probably extra vital advantages. As EV charging stations proliferate, managed charging is turning into important, not solely to economize for charging operators, however to reduce the impression of the extra load on {the electrical} grid. ENERGY STAR has labored with utility and producer representatives to develop standards to help in electrical load administration and integration with utility management protocols and software program. Charging station fashions that include this function can be able to supporting Demand Response by means of open communication protocols (Open Cost Level Protocol, SEP 2.0, CTA-2045A, and/or OpenADR2.0), enabling options equivalent to load dispatch, worth notification and worth response for utilities, and different ancillary providers.

One more reason for customers to decide on ENERGY STAR fashions: they need to meet electrical security necessities: particularly, they’re listed by a number of Nationally Acknowledged Take a look at Laboratories, which have examined them for security. Most EV charging producers pay for intensive testing carried out by acknowledged third-party laboratories to make sure that their merchandise are protected. Nevertheless, a major variety of merchandise accessible on-line on the market on to customers by means of main retailers will not be safety-tested. 

To this point, the checklist of ENERGY STAR-certified EV chargers consists of greater than 200 distinctive fashions from 15 producers. ENERGY STAR estimates that licensed EV chargers represented about 20% of all EV chargers shipped within the US in 2019. events can establish licensed fashions by visiting the net ENERGY STAR Product Finder for EV chargers.

Many incentive schemes supplied by state and native organizations and utilities reference the ENERGY STAR program. The California Electrical Car Infrastructure Mission and NYSERDA’s Cost NY program each require that Degree 2 EV chargers be ENERGY STAR-certified to be eligible for rebates. Utilities that require ENERGY STAR certification for participation of their EV charging applications embody the Service Firm of Oklahoma, Southwestern Electrical Energy Firm, Potomac Edison, and Snohomish County Public Utility District.

The method of including DC quick chargers to the ENERGY STAR Program is transferring ahead. A testing methodology has been developed, and draft efficiency necessities have been distributed this summer time for remark from trade stakeholders. The proposed necessities handle: gear scope; vitality effectivity throughout charging; most standby energy losses; security necessities; and elective communications requirements for demand response-capable merchandise. The top results of this course of can be a voluntary normal that producers of DC quick chargers can meet to obtain ENERGY STAR certification for his or her merchandise. Extra drafts of the necessities can be launched as wanted, and finalization is anticipated by early 2021.   

This text appeared in Charged Issue 52 – November/December 2020 – Subscribe now.