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Their strategy was to build them where there weren't other dcfc chargers, opening up new areas especially around outdoors places. Their chargers are much better maintained in general than the infamous Electrify America (they really struggle to fix EA chargers when they have problems, and they have problems) - there's a long story behind this. Rivian started before the plan to use superchargers was even envisioned, so today some of those holes that Rivian was filling aren't so important because tesla superchargers are nearby. Rivian has done a great job keeping their chargers working, have the software be reliable, just running a good service. Many and maybe most DCFC charger networks (DCFC meaning high power CCS chargers not including Tesla superchargers) really have struggled to match the uptime and reliability tesla SC. Tesla's magic ability it: (1) fix them when they break, quickly. (2) don't just build 4 chargers in a spot, it's almost the same cost to build 8 or 10. (3) string them together along main travel routes to make it possible to travel. The entire rest of the the charging industry basically fails at those 3 things. Most of them can't manage to fix a broken charger, sometimes in months. One major reason is they often don't have standardized hardware so there might not be a spare hardware to fix something there. |
Telsa and rivian have a vested interest in keeping the chargers working. Their sales depend on the chargers working. Even a little bad press is a multiplier against sales.
They also have significant engineering effort throughout the charging ecosystem, from the batteries, on-board infrastructure, standards, mapping, strategic coverage for sales and more. Lots of engineering support and problems solved quickyly
Meanwhile I kind of suspect 3rd party charging systems are probably like 3rd-party public telephones or atms -- a rent-seeking opportunity from someone who will not shell out for quick detection and fixing of broken chargers.
I noticed this years ago - chaging a non-tesla EV was a crapshoot. evgo was expensive and pretty reliable, but only ever had two fast chargers. blink was always broken - completely undependable ev chargers. chargepoint seemed ok, but only had l2/slower chargers.
There is basically no downside to these folks letting chargers be offline for a while.