Enphase chargers

Enphase has 4 listings on the ENERGY STAR list in 4 model groups, rated 64 to 80 A.

Its median standby draw, 2.795 W, is 23 % below the median of all 461 listings, 3.62 W.

Standby draw of each listing, against its rating group

Grey bar: the range of the listing's rating group. Black line: that group's median. Blue dot: the listing.

The lineup in figures

By rating, the 4 listings split into 2 at 64 A and 2 at 80 A. Every one lists a network connection, and 2 of them can also use a cellular link. Listed features: 1 with an RFID reader and 1 with a revenue-grade meter. Cord lengths run from 18 to 25 ft.

3 of the 4 draw less in standby than the median of their own rating group. Closest to the low end is the Enphase CS-100 EVSE, with the seventh-lowest standby draw of the 112 Level 2 listings rated 80 A (2.49 W). The newest listing, the Enphase IQ EV Charger 2, was certified on March 2, 2026; the oldest, the Enphase IQ EVSE NA, on March 17, 2023. 2 are listed for the United States only; the other 2 also for Canada.

The 4 listings

Listing	Rating	Standby, W	Allowance used	Idle, W	Cord, ft	Network
Enphase CS-100 EVSE	80 A	2.49	41.5 %	6.74	18	Cellular
Enphase IQ EVSE NA	64 A	2.7	75 %	6.25	25	Yes
Enphase IQ EVSE and HCS EVSE	64 A	2.89	57.8 %	2.92	25	Yes
Enphase IQ EV Charger 2	80 A	7.2	96 %	7.3	25	Yes

Certified by Enphase Energy, Inc. Rating groups: 80 A · other ratings.

Where each listing places in its rating group

Place counted from the lowest value; 1 is the lowest draw or smallest share. “=” marks a shared place.

Listing	Rating group (listings)	Standby	Idle	Allowance used
Enphase IQ EVSE NA	All Level 2 (424)	=90 of 424	217 of 424	=285 of 424
Enphase IQ EVSE and HCS EVSE	All Level 2 (424)	114 of 424	29 of 424	=172 of 424
Enphase CS-100 EVSE	80 A (112)	7 of 112	33 of 112	10 of 112
Enphase IQ EV Charger 2	80 A (112)	99 of 112	45 of 112	99 of 112