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Battery storage can provide you with additional control over powering your home, allowing you to keep essential devices (such as medical equipment, refrigeration, air conditioning, electric heating, lighting, electric well pumps) powered during outages. Due to PG&E’s need to mitigate wildfire risk through Public Safety Power Shutoff (PSPS) events, customers may experience outages more frequently. PG&E is here to provide information on whether battery storage is right for you and help you understand the steps to get started.



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Through the Self-Generation Incentive Program (SGIP), PG&E provides incentives when you install a battery storage system, and offers increased incentives if you are more vulnerable during power outages, as long as program funds are available. Incentives can cover up to the full cost of a battery if you both live in a high fire threat district (or have been shutoff in a PSPS event two or more times) and meet one of the following eligibility criteria: have incentives reserved in SASH or DAC-SASH; live in a disadvantaged community; use medical life support equipment; meet income-qualified eligibility standards; or rely on electric well pumps for water supply.


Learn about the Self-Generation Incentive Program


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Batteries can supply backup power for your essential electric needs during power outages and help you manage your electricity usage to save money. If you have solar, a battery enables you to use more of the power produced by your solar system at home rather than exporting that power to PG&E’s grid.


  • Have backup power: Due to the growing risk of wildfires in California, and the need to shut power off for safety during periods of high fire risk, outages have the potential to last several days. Batteries can provide critical backup power for your essential devices and appliances, such as medical equipment, refrigeration, air conditioning, electric heating, lighting, and electric well pumps. The length of time a battery storage system can provide backup power depends on the size of your battery and the amount of electricity you need. Your storage provider should help you assess how long a battery, or battery paired with solar, should be expected to last for your home under backup power operation.
    Under favorable solar conditions with limited home electricity use, pairing solar with a battery storage system can help your devices stay powered for multiple days.
  • Potentially reduce your energy costs: If you are on a time-of use-rate or home charging rate, your battery can charge when electricity is cheaper and discharge electricity for use in your home when electricity from PG&E’s grid is more expensive. When paired with your home solar photovoltaic (PV) system, a battery can help you get the most bill savings under Net Energy Metering.

    Explore rates that could be beneficial for battery storage customers:

    LEARN ABOUT THE HOME CHARGING RATE
    LEARN ABOUT TIME-OF-USE RATES

    For more info on solar billing, learn about Net Energy Metering.

  • Use more of your at-home solar energy: If you have a solar system at your home, a battery can store any excess electricity generated by your solar system during the day for use when the sun is not shining in the evening and at night. This can save you money and help optimize the carbon-reduction impacts from your solar system.

See Getting Started (below) and talk to a storage provider to see if a battery may help you save.

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  • Charging: you can store power from either your home rooftop solar system, or from the grid when electricity prices are lower, to be used at a later time. If an outage is imminent due to a storm or shutoff event, some storage providers are able to send a signal to your battery to fully charge ahead of time, so that you will have the maximum amount of backup power possible during the outage.
  • Discharging: you can use the energy stored by your battery to power your home when the price of electricity from the grid is more expensive, at night when your solar system isn’t producing (if you have solar), or during an outage when you need backup power.

Rooftop solar panels on your home feed your storage batteries. The batteries then send power back to your home or to the PG&E grid.Opens in new Window.
  • Smart Energy Management Software and Communication Technology: Batteries used for home storage generally include software that automates the charging and discharging process, and monitors system performance to ensure product safety and reliability. This software can be programmed to automatically charge your battery when energy is cheaper and discharge when it’s more expensive. Some storage providers also provide communication tools that will alert your battery system to remain at full charge when a power outage is imminent due to a storm or power shutoff event.
  • Backup Power Configuration: Your battery can be configured to either power your whole home or only essential loads during a power outage. Under a “whole home backup” setup, you would need to manually reduce electricity usage to ensure that you don’t drain your battery too quickly. Under a “partial home backup” setup, your battery can be configured to power only essential devices and appliances such as medical equipment, refrigerators, electric well pumps, or anything else that you deem essential. With a partial home backup, you will be less reliant on manual interventions to reduce your electricity use and prolong the amount of time you can keep your essential devices and appliances running. Talk to your storage provider to determine if a whole home backup or a partial home backup setup is better for your needs.
  • Inverter: Inverters are necessary to convert stored direct current (DC) electricity from your battery to alternating current (AC) electricity which is used by your home and PG&E’s grid. Inverter installation will be included when the battery is installed by your storage provider.
  • Battery Maintenance Energy: Batteries use a small amount of energy to stay in an operational state whether or not they are being discharged. This may have a small impact on your monthly energy usage and bill.

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