Tesla's findus page lists the following locations for new Superchargers: The New column says whether it is New for 2020. Here's the short Maine list. I'll let others in other states list give their ideas on those. StateLocationNewStatusCommentsMEBar HarborNo-I feel that the Ellsworth Hannaford would be a better location overall.MEBethelNo"Permit"Indicated by an Irving display as being at the Irving.MEFarmingtonYes-Hannaford on US-2 an obvious possibility. Would serve US-2 travelers E-W, but also allow better access to Sugarloaf for skiing as it's less than 100 miles from Kennebunk - Northbound, ME and Portland, MEMESkowheganNoOpenWas already finished by the end of 2019, and was probably open already. It's now listed in the cars' navigation.So, only Farmington, ME is new to the list for 2020, but that's a good location.