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Power Your Life With Tesla Powerwall Solar Batteries


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about Solar Energy Storage

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Power Out? Power Up With a Battery.

Thank you for your interest in battery storage. As you may know, with just solar in a power outage, your solar must shut down to avoid sending power to the grid and endangering workers. However, with a battery, your solar system powers your home during the day and charges your battery so the battery can take over at night. Adding an Energy Storage System (ESS) such as the Tesla Powerwall to your home can also provide greater solar savings, peace of mind, and protect you from future rate changes from your utility.

Peace of Mind, Installed By Renova Energy

In addition to the enhanced savings that batteries can provide, you can also have more control over the power that you generate on your roof.

With the advanced apps, you're able to determine how much battery capacity to retain in the event of a planned outage or grid failure. Batteries are most commonly used for backing up the essential loads/circuits of a home such as a fridge, garage door, wifi, and security systems. However, advanced setups with multiple batteries can power entire homes.

Backup Power That Pays For Itself

There are substantial rebates also available from Southern California Edison. Currently, the rebate for a battery is $2,300. When you get three or more, the rebate jumps to $2,900 each, making your third battery practically free if you opt for that. There is also an option from Renova to finance your battery purchase at a cost of less than $3/day. Batteries can also be eligible for the 26% Federal Tax Credit.

Peace of mind, backup power, savings, and rebates make this the perfect time to add a battery to your home.

Under the new Time-Of-Use plans with the utility, electricity prices are typically lower early in the day, overnight, and on the weekends. The most expensive power is either from 4-9 PM or 5-8 PM. Unfortunately, this is often the time when families use the most power, and solar panel production is limited.

Getting the Most Out of Your Solar

Without a battery, any excess solar power generated between 8am-4pm would be sent back to the grid and receive a value of 15¢ (for each kWh) under the TOU-D-Prime rate as shown in the graph. By adding a battery to your solar system, you are able to store the extra power that is made from 8am-4pm versus selling it to the utility at 15¢.

With time-based controls, you can use that stored power later during peak hours or push it onto the grid to offset a 41¢ charge or receive a 41¢ credit. Ultimately, if you store the power and use it later in the day, your credit increases 2.7x from 15¢ to 41¢ during the summer weekdays, and from 15¢ to 29¢ during the weekends of summer. In the 8 months of winter rates, the value can be increased from 14¢ to 38¢ (as of 5/15/20). The ability to store solar power and use it later also protects you from future changes to the rate structure.

Find out if a battery and the TOU-D-Prime rate is right for you.

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