What has changed, and when

Taiwanese manufacturer WINAICO joins with 44 models, including back-contact modules up to 25% efficiency. Also new: Premier Energies PE-132 TOPCon (600-630 Wp) and models from Resun Solar, Vikram Solar, AE Solar, Heckert Solar, Leapton and Selfa.

Both panels in a comparison now show their photo and a Datasheet PDF button. Hover over the button to preview the first page.

Mexican manufacturer Solarever joins the catalogue with 12 models from two official datasheets: HC 96 (450-470 Wp, full black, up to 23.52% efficiency) and HC 132 (600-630 Wp). All are bifacial dual-glass N-type TOPCon modules on 182x105 mm cells. Added at a reader's request.

German manufacturer PVolution GmbH joins the catalogue with all four of its series, taken from 14 official datasheets: CORE (TOPCon, 430-710 Wp), TRION (HJT, 435-720 Wp), ONYX (IBC all-black, 470-495 Wp) and UNICA (agrivoltaic and coloured modules, 320-370 Wp).

The headline figure is the winning module's own, not another module's, and reports now show what each score is made of.

Warranty has its own column, four columns sort, and the chart now compares cost per kWh instead of thirty overlapping lines.

The set survives a reload, and Change and re-run on a report opens the calculator with its modules, prices and conditions.

Add a module and the price box arrives with the cheapest live offer we hold for it, and the row names the shop.

Two modules a couple of percent apart used to score 93 against 16. They now score like the near-tie they are.

Added 369 modules sourced from official manufacturer datasheets, led by AE Solar (204), Goldi Solar (35), Hanersun (28) and Runergy (26). First listing for Indian maker Avaada, plus two flagship additions: JA Solar DeepBlue 5.0 (up to 670 W, 24.8%) and the back-contact Phono Solar Quasar.

Shop statistics now list every shop we read, biggest first, with thirty days of listings, in stock and out of stock.

Add .md to any page address to get the same content as text, for AI assistants and scripts.

The shop charts start with a month of history instead of a blank page.

Flags are now the actual flags. Australia and the United States were drawn wrong before.

Both forms are in the footer, and a shop suggestion gets an answer by email.

The intro now shows the latest offers as they come in, with manufacturer logos on the comparison rows.

A Show out of stock pill brings them back, the same way packs already worked.

Suggested offers now convert to your chosen currency too, not just the results table.

Start typing in the offers search box and see matching shops and prices instantly.

Listings now show the exact price the shop printed.

Offer listings now show a picture of what the shop is selling — hover to see it larger.

Panel pages now show what European shops are charging today, each price in the shop's own currency and on the same side of VAT the shop quotes it. More shops are being added, and Europe is the starting point rather than the whole plan - other regions follow.

The catalogue filters now include module size in millimetres, so you can look for a panel that fits a given space.

Every panel page lists comparable modules instead of just the rest of its series. Narrow them to the same cell type, the same maker, or panels that fit the same roof space.

Typing "q cell" and pressing Enter returned nothing, while the dropdown under the same box listed eight Q-Cells panels. Both run on one engine now, so part numbers, series names and small typos all land on the right panels.

New Q.PEAK DUO ML-G12S and BLK ML-G10+/AC series, and wider power ranges on existing ones. China Sunergy now has its own CSUN label, and QN-SOLAR and Q-SUN Solar turned out to be one company.

The thirty-year output chart can now run at a cool day, a typical summer roof or a hot roof, so the gap between two panels shows up where it matters.

The toggle used to change one column of the panel list. It now converts every measurement on panel pages, comparisons and rankings.

The full RNE Pro-L series, 690 to 720 Wp, plus three missing REC Alpha Pure-RX sizes.

Rankings, comparisons, reviews, guides and battery pages now match the panel and statistics pages, and tables turn into readable cards on a phone.

Panel pages now show the I-V, temperature and warranty curves taken straight from the manufacturer's PDF.

Resun, Luxen, Philadelphia Solar, Jetion, Heckert, Silfab and six more, all from official datasheets.

Vikram Solar, Emmvee, Hanersun, GCL and Heckert, plus new Jinko and Trina variants.

Canadian Solar, Suntech, Hanersun, Jinko, Seraphim and Astronergy, including the 2026 SNEC and Intersolar launches.

A written summary and a ranked spec table for each pair.

Cleaner spec layout, and the company details are correct now.

Generated when you ask for it, with its sources.

It redirects to the thirty-year calculator.

Compare up to ten panels over thirty years, with a score, a shareable page and a PDF. Free, no account.

Solitek, Solar-Fabrik, DualSun and Sunman's flexible eArc modules among them.

Grouped spec tables that show how far ahead the winner is, and cell-technology charts that label their own slices.

The four latest entries from this page.

Power density, temperature coefficient, cell technology, warranty length and annual degradation.

The main homepage is unchanged.

Including monthly output, location and climate.

No more blank screen while scripts load.

And your selection follows you between pages.

And it has a proper icon in tabs and bookmarks.

No more clicking through to a dead listing.

With picks by use case and links to their competitors.

You get a banner, and the parts that did load.