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Solar Battery StorageBatteries EV Charging

Your guide to buying solar, batteries, and EV charging

For homeowners researching solar, batteries, and EV charging. Plain English. No jargon.

Plan your solar & energy with Photonik

Model solar and batteries for your home, see estimated bills and savings, then connect with local installers — free, no obligation.

Guides

Photonik Solar & Battery Buying Guide

Do I want solar?

Is solar worth it? Understanding payback and savings

“Is solar worth it?” is the most common question homeowners ask us — and the honest answer is: usually yes, but with big caveats that …

Is my house right for solar? Roof, shade, and suitability

Not every house is an equally good candidate for solar. Roof orientation, tilt, shade, usable area, and structure all affect how much energy a solar …

What will it cost?

What size solar system do you need?

The right-sized solar system for your home depends on how much electricity you use, when you use it, and whether you plan to add a …

How much does a solar system cost?

You neither want to pay too much nor too little for a solar system. That might sound strange — why wouldn’t you want to pay …

Who do I buy from?

How to choose a solar installer

The equipment matters, but the installer matters more. A good solar company will guide you through sizing, equipment selection, and paperwork — and they’ll be …

How to choose solar panels and inverters

Once you’ve found a good installer, they’ll recommend equipment — but it helps to understand what you’re buying. This chapter covers what makes a good …

Tools & calculators

Solar guide for your location

See local pricing, savings estimates, and installers for your country or region.

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Solar and battery sizing calculator

Work out what size solar system and battery suit your home — adjust usage to see a recommended range.

Open sizing calculator →

Panel placement calculator

Sketch your roof layout and see how many panels fit — accounting for shade, setbacks, and obstructions.

Open panel placement tool →

More tools: Savings calculator · Solar & battery designer · VPP calculator · V2G · EV charging · Electrification · Off-grid load table

Data & comparisons

Solar savings & payback by country

Annual savings, payback, and 10- and 25-year net returns side-by-side for every published country — plus indicative system prices and rebates.

Energy usage & generation patterns

See how solar generation and household electricity use vary by hour, season, and region.

Feed-in tariffs & solar export explained

Why FiTs fell, why payback often still works, and how batteries and VPPs change the story.

The future of energy

Solar and wind growth by country, where storage matters, and how home solar, batteries, and EVs fit in.

Recommended reading & watching

Curated from a decade of independent solar content by Clean Energy Reviews.

Clean Energy Reviews on YouTube — video reviews and explainers from 10+ years of independent solar expertise.

Join the conversation: Clean Energy Reviews Forum — ask questions, share experiences, and learn from other solar owners and installers.

Ready for quotes?

When you have a rough idea of size and savings, compare no-obligation offers from installers in your area.

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