News

Short updates on prices, regulation, tariffs, incentives and new products, and what each one means for your bill. Published as things change, so you always know what’s new this week, not last year’s headlines.

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Australia's Home Battery Registrations Fall in June as the Rebate Favours Smaller Systems

SunWiz data shows Australian home battery registrations fell 28% in June as support for large systems was cut. What changed and what the data cannot tell us.

13/07/2026

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Low Standing Charge Tariff Trials Launch at EDF, E.ON and Octopus

Ofgem-backed low standing charge trials have launched at EDF, E.ON and Octopus. Who they suit, the caps and exit fees, and what they mean for battery owners.

11/07/2026

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Estonia Activates 100 MW Hertz 2 Battery System, Strengthening Northern Europe’s Grid Stability

Estonia launched the 100 MW Hertz 2 battery system in Aruküla to strengthen regional grid stability and support renewables.

09/07/2026

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Europe Accelerates Energy Storage: What the New EU Deal Means for Households and Businesses

The EU introduced new plans to accelerate energy storage deployment across member states to boost grid stability and renewables.

08/07/2026

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New EU Rule: Every Home Battery Over 2 kWh Must Be Registered by February 2027

New EU rules require all home batteries over 2 kWh to be registered online by 2027 to improve safety.

07/07/2026

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Tesla Deploys 13.5 GWh of Energy Storage in the Second Quarter of 2026

Tesla reported 13.5 GWh of storage deployed in Q2 2026, up 53% on Q1. What the figure includes, and what Tesla does not say about home batteries.

05/07/2026

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Australia's Solar Sharer Offer Begins: Three Free Midday Hours for Some Households

Australia's Solar Sharer Offer began on 1 July: three free midday hours in three regions. What it covers, what it does not, and where batteries fit.

03/07/2026

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Ofgem Minded to Back 16 Long-Duration Storage Projects With a Cap and Floor

On 26 June Ofgem set out its minded-to list of 16 long-duration storage projects for cap and floor support, about 7.6 GW. What is provisional.

01/07/2026

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EU Energy Ministers Back Grids Package as a Storage Agreement Targets 30 to 35 GW

EU ministers agreed their grids package position on 26 June, and a tripartite storage agreement was signed. What it says and what we could not confirm.

28/06/2026

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Octopus Energy Unveils Its Own Nook Home Battery Range, Due in 2027

Octopus Energy has announced the Nook Cube and Nook Colossus home batteries for 2027. Here is what is confirmed and what we could not find yet.

26/06/2026

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68,000 French households left without power during extreme heatwave

Severe heatwaves in Europe cause power outages, highlighting the importance of home batteries for backup power.

24/06/2026

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Octopus Energy Generation and ZE Energy Back a 98.5 MW Battery Project in Southern Italy

Octopus Energy Generation is co-investing in ZE Energy's 98.5 MW / 895 MWh Sessa Aurunca battery in Campania, due in 2028 with a 15-year contract.

22/06/2026