Tesla Inc. TSLA -2.96% has requested Shanghai’s authorities to assist guarantee its suppliers in China’s Sichuan province would have adequate electrical energy provide amid an influence crunch, a authorities letter and other people aware of the matter stated.Tesla’s request got here because it ramps up manufacturing at its Shanghai manufacturing unit following a bumpy few months. It shut down its plant in Shanghai for weeks round May through the metropolis’s two-month lengthy Covid-19 lockdown. Tesla is worried that ought to element provides be delayed because of the energy cuts, its car manufacturing would additional face backlogs, the individuals stated. So...