A Tesla owner revealed that after a year of using solar panels and a Powerwall, their electricity bill was only $2.37, demonstrating how solar energy can significantly reduce charging costs for electric vehicles, though the initial setup costs are high.
Tesla has submitted a proposal to Indian officials to build a battery storage factory in India, as part of its broader plans to expand its presence in the country. The proposal includes the introduction of Tesla's Powerwall, a system that can store power from solar panels or the grid for use during outages or at night. While the Indian government has conveyed that incentives for the factory may not be available, they could offer subsidies to customers purchasing Tesla's battery storage systems. The plan is still under review, and Tesla is keen to find residential and industrial customers for its products in India.
A YouTube reviewer, Marques Brownlee, installed a Tesla Solar Roof with Powerwall setup on his home, costing around $93,000 after tax credits. Despite the winter reducing the system's energy capture, the net metering credits accumulated during other months covered the home's grid usage. Brownlee estimated a payback period of less than ten years, considering the power used over the year. While the Solar Roof remains a niche product due to its price and availability, it proves to be a worthwhile investment for those who can afford it.