tl;dr – What Level 2 EVSE (charger) should I consider buying and why.
We have been using a Level 1 charger with our PHEV vehicle. But are planning on replacing the PHEV with either a VW ID.4, Hyundai Ioniq 5, Kia EV6 or Nissan Ariya. We don’t know which we will buy and, for availability and tax reasons, won’t be purchasing until after January 1, 2022.
Current US federal tax incentives run out for EVSE installation on December 31, 2021. So we’d like to have a Level 2 EVSE installed by the end of the year.
Our current electrical panel can support only one additional 240v 30 amp load so we are looking at installing a NEMA 14-30 receptacle with a plug in EVSE or going with a hardwired 30 amp EVSE.
I have done some modeling and I think that 30 amp Level 2 charging will be sufficient. Actually, given our historical driving patterns we could probably get by with Level 1 charging.
Would like to charge only during “super off peak” hours as it is quite a bit cheaper that way with [SDG&E’s EV-TOU-5 billing plan](https://www.sdge.com/residential/pricing-plans/about-our-pricing-plans/electric-vehicle-plans).
SDG&E’s EV-TOU-5 billing plan is more complicated than our current PHEV or some of the EVSEs I have looked at can deal with.
For example, our current PHEV’s built in charging schedule can be set to charge at a particular time of day (no day of week variations). Or it can be set to finish charging at a particular time of day (no day of week variations). It can’t be set to both start and stop charging at a specific times. And it can’t vary times based on day of week. Nor can it handle two different charging periods per day much less if those two periods only exist during specific months of the year.
Another example, it looks like Clipper Creek’s EVSEs can have a start and stop time with one setting for weekdays and another for weekends. This is much closer but it doesn’t look like it can deal with the additional 10AM to 2 PM hours during March and April.
At this time I am using a Z-Wave controlled 120v receptacle and Home Assistant to charge my PHEV during super off peak hours. It is nice for two reasons: I can leave the car to charge on plug-in so if I am away from home I don’t have to override the car’s programming to charge. Second, regardless of when I get home and plug the car in it will charge at the earliest cheap opportunity. I would like to keep this ability for any future EV we purchase.
Specific questions: Can newer EVs be programmed with complicated billing rate situations? I have found very little on the VW ID.4 and nothing on that level of detail seems to have been released for the Ioniq 5, EV 6 or Ariya. If so, then maybe I can go with a dumb EVSE and live with having to override charging start times if away from home.
Are there any residential EVSEs with calendar specific charging times and/or multiple periods of the day with super off peak hours?
When I look at reviews and various car specific EV forums I see some brands of EVSEs have a bad reputation. But usually the newest complaints are from two or three years ago. What are current real user experiences with the various brands of EVSEs?