EVgo in Maine has been charging by time but is now moving to charging by consumption with a Time of Use rate plan.
The only EVgo station in Maine I have tried to use with the chademo adapter didn not work on repeat visits. YMMV
EV Time of Use Charging Costs: Pricing and Plan for EV Charging
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www.evgo.com
The only EVgo station in Maine I have tried to use with the chademo adapter didn not work on repeat visits. YMMV