The United States is seeking a breakthrough in battery energy storage: Battery energy storage capacity will reach 2.5 GW in 2023. A new report from the U.S. Energy Information Administration shows that by 2023, the battery energy storage capacity installed in the United States will reach 2.5 GW. Florida and New York will pave the way for progress in this regard, as large projects will contribute nearly half of the capacity in these two states. (Source: WeChat public account "pvmagC" I

A new report from the U.S. Energy Information Administration shows that by 2023, the installed battery energy storage capacity in the United States will reach 2.5 gigawatts. Florida and New York will pave the way for progress in this regard, as large projects will contribute nearly half of the capacity in these two states.

Symbiosis is one of the most beautiful phenomena in life. Some things come together perfectly. And the energy revolution is no exception, as renewable energy and battery storage are inseparable. However, so far, the U.S. has only 899 megawatts of battery storage capacity. While this figure is expected to reach 1 GW this year, it still accounts for only 1/67 of the country's cumulative solar capacity and an even smaller share of overall renewable energy capacity. But this situation may change dramatically. The U.S. Energy Information Administration (EIA) released a report predicting that battery energy storage capacity will triple to 2.5 gigawatts in 2023.

Past, present, and future projected levels of U.S. battery storage capacity levels.

These forecasts are based on utility-scale battery storage projects that are expected to initially enter commercial operation within five years. EIA tracks the data through its preliminary monthly generator inventory survey. The survey compiles the latest developments on projects scheduled to go live within 12 months.

There are already precedents in reality that reflect the same dramatic increase as the predicted 2.5 GW. From the end of 2014 to March, domestic installed battery storage capacity more than quadrupled, from 214 MW to 889 MW.

If you analyze the states that make up the current state of energy storage in the United States, you'll see surprising results. Not surprisingly, leading the way is California. However, of the six states that pv magazine has identified as having energy storage needs, California is the only one to crack the top ten in terms of installed capacity. The other five states are Arizona, Nevada, New York, Massachusetts and Oregon; each has less than 50 megawatts of installed battery storage capacity.

Top 10 states with currently installed battery storage capacity.

Texas, Illinois and Hawaii are relatively expected energy storage pioneers because all three states have strong solar industries, especially Hawaii, which has promoted the deployment of battery energy storage. However, notable names on this list include West Virginia, Pennsylvania and Ohio State. None of these states are known to be pioneers in the solar industry, with less than 650 megawatts of installed generation capacity. West Virginia has only 8.5 megawatts.

So what do these storage projects do? West Virginia, Pennsylvania and Ohio, which lack renewable energy projects — plus New Jersey, No. 7 on the list, are all part of the Pennsylvania-New Jersey-Maryland interconnection Network (PJM Interconnection) member. PJM is the first to mass market battery energy storage and use this technology for frequency regulation.

However, by 2023, this list may change. Of the 1,623 MW expected to come online by 2024, 725 MW will come from two projects that are not located in the top 10 states above.

Two huge projects

The first of these is a battery system planned by Florida Power and Light (FPL) for the Manatee Energy Storage Center in Parrish. Its battery storage capacity is set at 409 megawatts, which would make it the largest solar battery system in the world.

Less powerful than this project, but still considerable, is the Helix Ravenswood power plant planned for Queens, New York. Even more impressive than the project's expected 316 MW capacity is the construction of a storage project of this size in New York City.

FPL’s Manatee Energy Storage Center is expected to begin commercial operations in 2021 and is the first phase of Helix Ravenswood. The initial phase of the New York project will have a capacity of 129 MW, with the remaining 187 MW to be achieved through a second phase of 98 MW and a final phase of 89 MW. The expected date for commercial operation of these expansion projects has not yet been announced.

We've already seen a glimpse of the future - lots and lots of batteries proving that symbiotic relationships don't just exist in nature.

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