![]() ![]() (Tesla doesn't operate a press office, so our review of it is based on information available on its website.) We do so with a particular emphasis on three categories: equipment, warranties and service. Tesla Powerwall costs 11,500 to 32,500 including installation for a one- to four- battery setup.But you’ll also need to consider additional costs, like hardware, new electrical systems, and solar panels. Instead we rely on our knowledge of the industry, in-depth conversations with company representatives and our own research to evaluate companies. ![]() The reality is that homeowners' situations are so unique, even if we did have panels installed, it would only capture a tiny fraction of the many variations of experiences with the solar industry. How we evaluate solar companiesĬNET does not directly review any of the equipment mentioned here, nor do we go through the ordering or installation process with either of the companies. Typical Powerwall installations will include two or more units. Always get multiple quotes from local installers before signing any contracts. Tesla Powerwall prices start at 11,500 for a single unit, but costs can increase depending on where you live. Be sure to do your own research and due diligence and ask around about both companies. We've outlined our concerns about customer service with Tesla, but the evidence for this is largely anecdotal. The average consumer isn't likely to notice a huge difference in performance between systems, and Tesla's panels and Powerwalls arguably look a little cooler, if that matters to you. If you're the type of person looking to get the most out of your solar system for as long as possible, and you're willing to pay a little extra for that privilege, SunPower makes a strong case for itself with its efficient modules and strong warranties.īut if you're looking for value backed by a company that is a force in multiple industries, not to mention pop culture, Tesla is worth a close look. SunVault in four sizes: 13, 19.5, 26 and 39 kilowatt hoursġ3.5 kilowatt-hour Powerwall, which can be stackedĩ2% panel production for 25 years 86% panel production for 25 years (Qcells) 70% charge for 10 years for batteries 12 years for roof penetrations, 25 years for other equipmentĨ5% panel production for 25 years 70% charge for 10 years for Powerwalls 10 years for roof and workmanship Sleek-looking, slightly less efficient Tesla panels, solar tiles Here are the battery costs of six popular EV models. Maxeon with industry-leading efficiency, less expensive and efficient modules from Qcells ![]()
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