- High-voltage premium brands: €314.3/kWh (-0.3% vs the previous month)
- High-voltage performance brands: €140.2/kWh (-9.0% vs the previous month)
- Low-voltage brands: €92.6/kWh (-1.9% vs the previous month)
High-voltage premium systems traded at about 3.4 times the level of low-voltage products in October. Performance-tier high-voltage brands sat between the two.
Top 5 residential battery brands
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Deye led the ranking by capacity sold over the three months to October 2026. Below it, places continued to change hands between the established storage specialists and the inverter-led brands that have expanded into storage.
Commercial battery storage prices, 20-120 kWh
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- 20-60 kWh: €214.9/kWh (+2.5% vs the previous month)
- 60-120 kWh: €196.3/kWh (-1.5% vs the previous month)
Commercial storage pricing was mixed across the two size bands. The larger 60-120 kWh class prices about 9% below the smaller systems per kWh.
Most offered commercial battery systems
The products with the widest presence across active listings on sun.store in October 2026:
20-60 kWh systems
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60-120 kWh systems
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Battery price trends Europe 2026: key takeaways
- High-voltage premium systems remain the most expensive residential category
- Performance-tier high-voltage brands fell 9.0 percent to €140.2/kWh but continue to sit well below premium pricing, keeping the two tiers clearly separated.
- Low-voltage pricing eased 1.9% to €92.6/kWh
- Commercial pricing was mixed, with 20-60 kWh up 2.5% and 60-120 kWh down 1.5%
- The residential brand ranking held its leader while continuing to shift below the top, underlining how contested this segment has become
September Battery Index: residential prices climb, commercial holds firm
FAQ
How much does a home battery cost per kWh in Europe in October 2026?
On the sun.store marketplace in October 2026, residential systems up to 20 kWh averaged €92.6/kWh for low-voltage brands, €140.2/kWh for high-voltage performance brands and €314.3/kWh for high-voltage premium brands, net of VAT and excluding delivery.
Are battery storage prices rising or falling?
Residential prices fell in every segment in October 2026. Month on month, low-voltage systems were down 1.9 percent, high-voltage performance brands 9.0 percent and high-voltage premium brands 0.3 percent. Commercial prices moved in both directions, rising 2.5 percent in the 20–60 kWh class and falling 1.5 percent in the 60–120 kWh class.
How much more do high-voltage batteries cost than low-voltage batteries?
In October 2026, high-voltage premium systems traded at about 3.4 times the price per kWh of low-voltage products, with performance-tier high-voltage brands such as Deye, Dyness, Growatt and PylonTech in between at €140.2/kWh.
What do commercial battery storage systems cost per kWh?
In October 2026, commercial and industrial systems on sun.store averaged €214.9/kWh for 20–60 kWh (+2.5 percent) and €196.3/kWh for 60–120 kWh (-1.5 percent), based on listed prices. The 60–120 kWh class was priced about 9 percent below the 20–60 kWh class per kWh. Commercial storage pricing was mixed across the two size bands.
Which home battery brands sell the most in Europe?
Ranked by capacity sold on sun.store from August to October 2026, the Top 5 residential battery brands were Deye, Dyness, Felicity, LRT and Growatt. Deye held first place.
Which commercial battery systems are most widely offered?
In October 2026, among the most widely offered commercial systems on sun.store, the 20-60 kWh class included the Felicity FLA48460TG2-EU, Dyness Tower Pro TP23 and Huawei LUNA2000-21-S1; the 60-120 kWh class included the Dyness BF100-C100, GoodWe GW112.6-BAT-AC-G1 and Deye BOS-G60 Pro.
What is the sun.store Battery Index?
The Battery Index is a monthly price benchmark for residential and commercial battery storage in Europe, compiled from data on the sun.store marketplace. Residential prices are based on settled transactions, while commercial prices reflect active listings. All prices are net of VAT and exclude delivery. (hcn)
