Markets, rules and practical answers.
Guides to plug-in solar, home storage and EV charging: what the rules say in each market, how systems work in practice, and what our partners have built.
Home Battery Backup for Power Cuts: How to Size It
How battery backup works in a power cut, how to size it from a list of essential loads, and what outages look like in South Africa, Nigeria and Iraq.
Read the articleAdding a Battery to Existing Solar: What Actually Works
Retrofit storage next to a third-party inverter: AC-coupled, DC-coupled or a new hybrid inverter, and what Germany and Australia require.
Read the articleA 7 kW EV Charger on a 9 kW Supply: Load Balancing
How dynamic load balancing lets a 7 kW wallbox run on a small supply without tripping the main fuse, and what UK and German rules say about it.
Read the articleZero Export Solar Explained: When You Need It, How It Works
What zero export and export limits mean, when utilities require them, how CT-based control keeps feed-in at zero, and what to check before installing.
Read the article800 W Balcony Solar with a Battery: Design and Rules
How a battery fits an 800 W balcony solar system, what the 800 VA limit covers, and the rules for plug-in storage in Germany, the UK and France.
Read the articlePlug-in Solar UK 2026: Rules for Retailers and Installers
Plug-in solar can be used via a 13 A socket in Great Britain from 27 August 2026. What the law requires, why batteries are excluded, what to check.
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