We mentioned last week that Walmart was suing Tesla, but CleanTechnica this week outlined a long and sorry history of Tesla putting things right, and Walmart still not letting Tesla turn back on the solar systems it built for Walmart. It has apparently never truthfully said what it is after, moved the goalposts once Tesla did remedial work and continued to keep Tesla not earning on the assets, which are installed on a pay as you go basis. So Tesla is saying that Walmart breached the contract, not the other way around. It operates 248 solar energy systems on the roofs of 248 Walmart stores and the problems go back to May last year. Shell’s new home battery play sonnen,…