How can battery storage create a better energy future for our customers?

Batteries have the potential to solve energy challenges we all care about. They can provide temporary back-up power when you experience an outage, store energy from solar panels, help 企业 manage their usage, 还有更多. Their ability to provide storage for renewables, like wind and solar, can also support our customers’ and PSE’s desire for cleaner energy.

But when it comes to battery storage installations, it’s not one-size-fits-all. Across our service area, there are unique geographic and weather challenges, different energy needs, and varying infrastructure. That’s why we’re testing and installing batteries in a number of local places to evaluate how this exciting and rapidly-evolving technology can provide safe, 可靠的, and affordable options for homes, 企业, 和社区. By committing to innovation now, our battery projects and other Grid Modernization initiatives are creating a better energy future for us all.

Check out some of our current projects in this short video


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电池基本知识

A battery's energy capacity is typically given in MWh or kWh. A fully-charged 15kWh battery, for example, could supply 1kW of power continuously for 15 hours.

State-of-charge (%) is a battery's level of charge relative to its total energy capacity.

一个循环 is the process of fully charging and discharging a (rechargeable) battery's energy capacity.

负载 you place on a battery will affect how long its charge lasts. 例如, a central air conditioner generally places a much higher load on a home battery than a portable fan.

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电池存储 Projects

Learn about PSE’s battery storage projects and demonstrations and what we’re testing.

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Frequently asked question

电池存储 FAQ

How battery-savvy are you? Get answers to the most frequently asked questions.

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Using batteries to store your own power

Interested in installing your own residential battery?

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