With Tesla PowerWall you can get completely off the grid.
Tesla is a company with a broad and ambitious agenda. Since 2015, home energy storage has been a significant part of that agenda and great progress has been made in this field. Residential home batteries have usually been inefficient, too expensive or incompatible with a modern home design. PowerWall has set out to rectify the problems in all of these areas and to make green energy storage an exciting and fashionable concept.
The PowerWall is what’s called “rechargeable lithium ion battery with liquid thermal control”, meaning it’s designed to be paired with solar panel systems and to serve as a small-scale battery for residential energy storage. The first version came out in 2015 and the updated one came in 2016. The goal Tesla setup is for the battery to be a solution to those who want to get off their electric grid and be completely self-sufficient with their energy supply. One battery will be sufficient to provide electricity during a power outage, but 2 or 3 are needed to take care of an average home in its entirety.
How long does it last?
Musk started working on this technology to alleviate the concerns of electric car drivers. The biggest fear of any Tesla driver is that their car will run out energy and leave them stranded in the middle of nowhere. The battery eventually got bigger than any car owner might need. It could power an air conditioner for 10 hours, keep your fridge on for 50, keep the WiFi working for 60 hours or let you do 30 loads of laundry. Since most people do a lot of these things at once – one battery could power an average home for 8 hours.
Architecture and design
PowerWalls come with and without an inverter which means that the product can be customized to serve the needs of the owners. The first version was compatible with only a few types of solar rooftops, while the second can blend in seamlessly with almost all of them. The solar panels don’t connect directly to the battery; they need different DC voltage capabilities and a power point tracker. In practice, this means that some power will be lost during the transition. After installing the PowerWall you will effectively use 92 percent of your solar panels capabilities.
Availability and warranty
Environmental awareness is becoming increasingly important to the younger generation of homeowners. There are more than a million households with solar rooftops in Australia and USA, which means that there’s a market for this product out there. A PowerWall could be purchased at Natural Solar, with the installation included in the price. There’s a ten-year warranty as well, provided that you stick to the charging instructions. Like with any other battery, regardless of size, the ability to hold a charge may decrease a bit as the time goes by.
The cost of a PowerWall includes the device itself, the inverter, and the installation. After this initial investment, you start saving money by being able to go almost completely of the grid and not pay any electricity bills. If you use cloud-based power monitoring software the power will be automatically redirected to where you need it the most. This way an average family could see up to 90 percent decrease in the utility bill. At some point, you may actually sell electricity back to the grid, but at a different rate than the one you buy it from.
Tesla is making changes in energy saving industry that might significantly affect not just your home budget, but the planet as well. With Tesla PowerWall you can get completely off the grid and enjoy energy independence and a reduced carbon footprint.
Diana Smith, the author of this article, is a full-time mom of two beautiful girls.
Diana is interested in topics related to home improvement and DIY.
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