SolarWorld is an independent solar data platform.

We aggregate publicly available manufacturer specifications, market prices, and authoritative regulatory data so you can compare equipment and understand solar economics in your location.

What we do

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Equipment database

Structured specs for portable stations, panels, inverters, batteries, balcony kits, and charge controllers

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Free calculators

9 working tools for sizing, payback, autonomy and more — powered by PVGIS and NREL

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Country guides

Country-specific tariffs, incentives, and balcony solar legality across US, UK, DE, AU, CA

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Industry tracking

Aggregated news and legislative changes (EU balcony limits, US ITC, UK SEG)

What we don't do

× We don't sell solar installations or generate leads for installers
× We don't provide financial advice — payback estimates are not investment recommendations
× We don't accept payment to alter rankings or reviews

How we make money

We earn affiliate commissions when readers purchase through our links — clearly marked with rel="sponsored". Affiliate revenue does not influence which products we feature, our editor scores, or recommendations. See our affiliate disclosure.

Data sources

PVGIS

EU Joint Research Centre — solar irradiation worldwide

NREL PVWatts

US Department of Energy — North America PV modeling

NASA POWER

Global irradiation backup

Eurostat

EU electricity prices — 39 countries, semi-annual

EIA

US Energy Information Administration — 51 states monthly

IRENA

Renewable energy capacity statistics

Manufacturer sites

Jackery, EcoFlow, Bluetti, Renogy product specs

Government bodies

IRS, BNetzA, Ofgem, CER for regulatory data

Have a correction or question? Get in touch →