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A Pennsylvania lawsuit said Tesla was in breach of its contract after raising a Solar Roof price.
The suit, filed by Philip Dahlin and Mary Arndtsen, said it would seek federal class-action status.
The increase was a significant disappointment, Dahlin told Insider.
More than half a year after Philip Dahlin and Mary Arndtsen signed a contract with Tesla to install a Solar Roof on their home in New Hope, Pennsylvania, the couple received a message from the company.
Tesla said their price would now be $78,352.66, up from the $46,084.80 price they d agreed upon. Our budget was based on the contract that we had, so it was not something that we had prepared for, Dahlin told Insider this week via phone.