Germany deployed 1.2 GW/1.9 GWh of residential batteries in 2022

Germany’s cumulative residential battery installations hit 5.5 GW at the end of 2022, with the large-scale storage business growing by more than 900%.

Image: IESA RWTH Aachen

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From pv magazine Germany

RWTH Aachen University has reported that Germany deployed around 220,000 new residential batteries with a combined capacity of 1.2 GW/1.9 GWh last year, up 52% from the preceding year. The country's cumulative annual residential battery capacity reached 5.5 GWh at the end of 2022.

The researchers also revealed that the commercial and industrial (C&I) battery market grew by 24%, adding 0.4 GW/0.8 GWh of cumulative installed capacity last year.

In 2022, 47 utility-scale storage facilities with a capacity of 0.43 GW/0.47 GWh were installed in Germany, which corresponds to 910% year-on-year growth. The researchers said that Germany's total installed storage capacity hit 7 GWh across all segments.

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RWTH Aachen also compared battery prices and noted an increase for the first time ever in 2022.

For residential devices, they estimate average costs at €1200 ($1,297)/kWh, which was 30% higher than in 2021. For commercial storage, the researchers gave a range of €580/kWh to €710/kWh. Depending on the size, this is an increase of 23% to 92%, they said.

Prices for large-scale storage batteries, meanwhile, ranged between €310/kWh and €465/kWh, which is between 42% and 54% higher than in 2021. Global prices for battery packs increased by 7% last year, according to the report.

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