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review.solar is the product altitude of the Solar Analytica network: scorecards for panels, batteries and inverters, derived mechanically from published datasheets under a published rubric. It answers one question: of the things you could actually buy, which is measurably better.
A household buying solar is making one of the largest hardware decisions it will ever make, with less protection than it gets buying a toaster. Much of the advice it finds is funded by referral fees from the products being ranked: awards that are sold, comparison tables ordered by commission, praise that cannot be traced to a measurement. The reader cannot tell, because disclosure lives in a footer, if it lives anywhere.
review.solar is built as the opposite instrument. A score is a measurement with a method attached, or it is marketing. So the method is published, the inputs are the manufacturers' own datasheets, and the arithmetic is deterministic: run it again and you get the same number we did. The prose never sells, because the publication has nothing to sell you.
Every product with a publicly available English-language datasheet is eligible. The manufacturer's own published numbers are the input; nothing is taken on a phone call.
Scores are derived mechanically from those numbers under a published, versioned rubric. No adjustment is made for brand reputation, market share, installer feedback, or commercial relationship.
A compact panel is not judged against a utility module. Products are placed in classes, compared within them, and each class names its champion on the evidence.
Every scorecard links back to the rubric that produced it and the datasheet it was derived from, on a published 50 to 100 scale. If we are wrong, the same documents prove it.
A serious energy decision moves from the market to the product to the job. Solar Analytica reads the market and the climate it runs on; review.solar scores the products; wattbench is the working reference. Three properties, one evidence layer, one standard: every number names its source.
The full scorecard database, the class champions, and the Signals desk. Open to everyone, free, no login.