The energy library / All guides
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Plain-English explanations of solar, storage, heating and electricity tariffs.
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Solar Panels · 4 min
Plug-in solar in the UK: what changed, what to buy and where batteries fit
A smaller route into solar has opened in Great Britain. Here is how to distinguish a compliant solar-only kit from a portable system or an installed home battery.
Read the guideGuides · 3 min
EV charging costs at home: work out your mileage, losses and tariff mix
A cheap overnight rate is useful only for the energy you can actually buy at that rate. Build a charging budget around your mileage and the places you charge.
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Product guide
Battery Storage · 3 min
Anker SOLIX X1 UK: modular home storage, backup and buying questions
X1 is Anker’s installed modular storage system. Compare the battery modules, power module and backup design as one complete proposal.
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Product guide
Battery Storage · 3 min
Anker SOLIX Solarbank 4 Pro UK: price, storage and the installation catch
An interesting smaller home battery, with one detail to understand first: the UK version currently needs an electrician and a dedicated hardwired connection.
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Product guide
Guides · 4 min
Project EV APEX 7.3kW: models, solar charging and installation questions
A practical guide to the APEX 7.3kW range: choose the right variant, understand the solar features, and ask for a complete installation quote.
Read the guideBattery Storage · 3 min
Tesla Powerwall 3 vs Sigenergy SigenStor: a UK buyer’s comparison
One headline price cannot tell you which battery is better for your home. Compare two complete installations with the same usable storage and backup requirements.
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Product guide
Battery Storage · 4 min
Tesla Powerwall 3 UK: price, specifications and buying guide
A practical look at Powerwall 3 for UK homes: what its specifications mean, why backup is not automatic, and how to compare installation quotes.
Read the guideBattery Storage · 2 min
Do solar panels and home batteries work in a power cut?
The crucial detail is the installation’s backup design. Find out what to ask for, which appliances can stay on and how to estimate the time stored energy might last.
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Product guide
Battery Storage · 4 min
Sigenergy SigenStor UK: modules, backup and buying guide
SigenStor is a configurable system, not one fixed-size battery. Here is how to read a quote, compare usable storage and decide which extras you actually need.
Read the guideEnergy Tariffs · 3 min
Time-of-use electricity tariffs: when changing the clock can help
Understand weighted rates, charging windows and the trade-offs for a home with solar, a battery, an EV or a heat pump.
Read the guideSolar Panels · 3 min
Solar panel installation: from first survey to useful handover
A practical homeowner checklist for the survey, proposal, installation, connection paperwork and ongoing support.
Read the guideEnergy Tariffs · 3 min
Octopus Flux vs Intelligent Go: how to compare the two approaches
Compare a solar-and-storage tariff with an EV-focused tariff using eligibility, import timing, export compatibility and your own demand.
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