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Sunrun's Storage Attachment Rate Hits a Record 74% in Q2 as It Trims Guidance

Sunrun reported a record 74% storage attachment rate in Q2 2026, but installed storage fell 15% and it cut full-year cash guidance. Key numbers.

06/08/2026

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Hybrid Inverter vs Battery Inverter: What Each One Does in a Home Battery System

A hybrid inverter and a separate battery inverter both manage your battery, but they connect differently. Learn the trade-offs before you buy a system.

05/08/2026

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Eku Energy Buys a 300 MW Battery Site at Didcot, Connected Straight to the Transmission Grid

Eku Energy has acquired a planned 300 MW, 600 MWh battery site near Didcot. Here is what the deal says about UK grid-scale storage and home batteries.

03/08/2026

Close-up of the terminals on a row of large batteries with red and blue caps

Sodium-Ion Batteries Explained: What They Could Mean for Home Storage

Sodium-ion is a newer battery chemistry that avoids lithium. Here is how it compares on energy density, cost and cold performance, and where it stands today.

02/08/2026

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Greenvolt Opens a 200 MW, 800 MWh Battery at Turośń Kościelna in Poland

Greenvolt Power inaugurated a 200 MW / 800 MWh lithium iron phosphate battery near Białystok, Poland, with a 17-year capacity market contract from 2028.

01/08/2026

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Surge Power and Motor Loads: Why a Battery System Can Trip on Startup

Motors in fridges, pumps and heat pumps draw a short burst of current when they start. Here is why it matters for battery backup and how to read surge ratings.

31/07/2026

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Ofgem Proposes Fees to Clear Speculative Data Centres From the Grid Connection Queue

Ofgem consulted on 29 July on commitment fees and milestones for data centre grid connections. What it says about the queue and where batteries come in.

30/07/2026

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Home Battery Warranties and Cycle Counts Explained

What a home battery warranty promises: years, cycles, throughput and retained capacity. How cycles are counted and what to check before you buy.

28/07/2026

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GlobalData Forecasts Global Battery Storage Capacity to Rise Sixfold by 2030

GlobalData forecasts battery storage rising from about 225 GW at end-2025 to about 1,300 GW by 2030. What drives it, and what it says about home batteries.

28/07/2026

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VAT on UK Household Electricity to Fall From 5% to 0% From 1 October

The government announced on 21 July that VAT on household electricity will be 0% from 1 October. What it covers, what it saves and what it means for batteries.

25/07/2026

A hand holding a phone that shows a battery menu with a green charge display

How a Home Battery Knows How Full It Is: State of Charge Explained

A home battery has no fuel gauge, so state of charge is estimated. Here is how it works, why LFP is harder to read, and what usable capacity means for you.

25/07/2026

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Germany's Battery Storage Reaches 29.8 GWh After a Record First Half of 2026

Germany had 29.8 GWh of battery storage in early July 2026, about three quarters in homes, and added 5.6 GWh in the first half. Two datasets, one picture.

23/07/2026