Guides for homes with solar, batteries, EVs, and heat pumps.
Practical guides to Octopus tariff conflicts, battery behaviour, and whole-home coordination — written for homeowners, not engineers.
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Showing 19-27 of 30 guides

How to get your myenergi API key for your Zappi charger
Step-by-step guide to generating the myenergi API key and finding your hub serial number, so you can connect your Zappi EV charger to 1app.energy.
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How to get your Octopus Energy API key and account number
Step-by-step guide to finding your Octopus account number and generating an API key, so you can connect your Octopus tariff to 1app.energy.
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Connect SolisCloud in about a minute
Supported Solis hybrid inverter homes can connect to 1app.energy by signing in with SolisCloud, without chasing API keys first. API-key setup remains a fallback.
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Tesla Powerwall 3P: launch date, specs and UK availability
Tesla launched the three-phase Powerwall 3P in Germany on 23 April 2026. What the 3P actually offers, and the realistic timing for UK availability.
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How to read your inverter data to spot energy waste
Your inverter app shows a lot of numbers. Which ones actually tell you the system is working efficiently? Here is what to look for and the warning signs.
Read guideWhich 1app smart control mode should you use?
A practical guide to choosing between Autopilot, Home First, and Time-based Control in 1app.energy.
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Octopus Agile vs Go for home battery owners: which saves more?
Agile's half-hourly pricing may beat Go on some days and regions — or cost more. For battery homes, it depends on whether your battery can act on the prices.
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Octopus Intelligent Go: what really happens to your home battery
Intelligent Go is sold as a smart EV tariff. For some battery homes, it can create a conflict many people are not warned about — here is what is happening.
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Why does my home battery drain when Octopus charges my EV?
Got an Octopus smart tariff and a home battery? You may be losing stored solar every time your EV charges by day. Here is why — and what to do.
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Got the right setup?
See if your home qualifies for onboarding.
Tell us which devices and tariff you are on. We review every request and invite in order of fit — not sign-up date.