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A well-designed solar system can meet the majority of the electricity needs for a homeowner, but there are times when power needs to be pulled from the grid. While many energy providers offer the option of net metering to cover the cost of electricity used by the local power company, it’s not available to all solar homeowners. Having a backup supply of electricity can provide power during outages like PG&E’s Public Power Safety Shutoffs and can also provide more electricity cost savings.

Let’s face it: emergencies happen. Nevada wildfires, rolling blackouts, and power outages happen. Many people don’t realize it, but homes powered by PV solar are usually tied to the grid, and they’re shut down along with everyone else during an outage to keep utility workers from getting hurt. Backup power is needed to keep the lights on and your refrigerator running, and the two main ways to achieve that are with a generator or a solar battery for a solar system.*

While generators have been a common backup for grid outages for decades, solar batteries are now a more viable option for homeowners to consider. Here are the factors to consider:

Size

The “whole-house” generators needed to power homes over time are bigger than their portable cousins—roughly the size of a typical HVAC unit. But that can vary depending on the size of your house and its electrical needs.

SunVault™ Storage system comes in two sleek, aesthetically pleasing boxes: the SunVault battery and the Hub+™. Typically located in a utility room or garage, the larger box is slightly smaller than a refrigerator and stores excess energy not used throughout the day. The smaller box features intelligent software that gives homeowners the option to control when and how their stored solar energy is used.

Advantage: Solar battery

Noise

Whole-house generators usually make less of a racket than portable ones, but they can still be loud. For the quietest ones, imagine a motorcycle engine running nonstop. Solar batteries are silent.

Advantage: Solar battery

Fuel

Generators run on natural gas, gasoline, or liquid propane—all fossil fuels that pollute the air. Solar batteries run on stored-up solar power and reduce your carbon footprint.

Advantage: Solar battery

Cost

A generator can cost anywhere from $2,000 to $30,000, though most are at the low end of that range. Once a generator is installed, the owner still has to pay for regular maintenance and fuel. Solar batteries have little or no maintenance costs, and the fuel is solar energy from the sun. There’s an unlimited amount of sunlight, so the battery can keep recharging and powering your home. On top of that, the U.S. government offers incentives for buying a solar battery storage system, and so do some state and local governments. Usually, there are no tax incentives for buying generators.

Advantage: Solar battery

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Environmental Impact ( years)

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metric tons

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car miles driven

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# of Panels:

System size:

Battery:

Environmental Impact
( years)

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metric tons

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car miles driven

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Number of Trees Planted


# of Panels:

System size:

Battery:

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Please schedule your no-obligation ‘going solar’ consultant so we can provide a detailed quote for your home. If possible, upload a copy of your utility bill so we can better assess your possibilities.

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