![]() ![]() You can finance an energy storage solution of your own, or lease Brightbox from Sunrun. Simplicity - Solar battery storage prices don’t have to be complicated. Whether it’s keeping you from spending too much on a dirty generator, or the battery kicks in when your electricity peaks during Time of Use (TOU) rates, Brightbox will use your stored solar energy to help ensure the lowest utility bill payment possible. Savings - Solar power is yours for the saving.4 With Sunrun Brightbox™, you can boost your energy independence with solar storage that puts you in control. You only have to turn on the news to know that storms are getting worse, 3 and infrastructure is becoming increasingly vulnerable to unpredictable weather. 2 When you choose a Brightbox battery, you’re choosing peace of mind. 1 As more homeowners go solar, battery storage will be the key to long-term savings. Not only can a home solar battery offer backup energy, but it can also optimize your solar savings based on your utility charges. Save your solar power with battery storage for when you need it most. Gain Energy Independance with a Brightbox Home Battery And, since we tailor all of our solar plans to help meet the needs of your home and lifetsyle you can count on Brightbox to be ready when you need it most. We’ve simplified the the cost of solar battery storage. If it’s 5,000 cycles, you can safely assume your battery can withstand one cycle per day for roughly 13 years.Power your home your way with flexible options to own, finance, and or lease Sunrun’s premium solar plus storage solution. So you don’t need to be very careful with how often you discharge and recharge - but it’s something to keep in mind when the battery starts to reach the end of its lifespan.Ĭheck your warranty to see how many cycles your battery is expected to last through. Lithium-ion solar batteries are designed for daily use, much like the batteries in our phones and laptops. Solar batteries have a set number of cycles before they start to degrade. Many newer lithium-ion solar batteries, such as the Tesla Powerwall 2, have a generous depth of discharge between 90 and 95%.Įach time you discharge and recharge a battery, this counts as a single cycle. You’ll typically want to avoid this, because doing so can cause the charge capacity to degrade at a faster rate than is normal. ![]() If a solar battery has a 10 kW capacity and an 80% depth of discharge, you should only use 8 kW before recharging it again.Īnd if you used all of the energy stored in your battery, that would be a 100% depth of discharge. This measures how much of your battery’s charge you should use before recharging it. Maintenance might be minimal, but there are other factors to keep in mind to get the most out of your battery. Getting the most out of your solar battery ![]() That’s a long time to wait to make your money back, but you’ll still get enormous benefits from generating your own clean electricity. Having a 4 kW solar-plus-storage system will save you $1,062 every year on average, which amounts to $26,554 after 25 years.ĭivide the total cost of the solar panel system after 25 years by the annual savings, and you get a break-even point of 18.5 years. The average cost of electricity in the US is 15.42 cents per kilowatt hour (kWh), so without solar panels, grid electricity you’d spend an eye-watering $41,051 on grid electricity over 25 years - which is $1,642 per year. That’s without the federal solar tax credit of 30% - with it, you’ll only pay $19,656 for solar-plus-storage. Getting a 4 kW solar panel system to go with your batteries will set you back $11,080 on average, bringing the total to $28,080. So you will need to purchase a second battery in a decade or so, bringing the total average cost for solar batteries to $17,000. You’ll break even on a solar panel system that includes a battery in 18.5 years.Ī solar battery lasts 10–15 years, which is less than the average 25-year lifespan of solar panels. When will you break even on a solar battery? ![]()
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