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· 10 in stock · prices checked Oct 17, 2026, 6:34 AM ET
Cheapest solar panel per watt
Panel price ÷ rated watts in the product name. Panels sold in several sizes at different prices are left out so the watts match the price.
The ranking lowest cost per watt first
Brand-store buttons go straight to the brand's own page, with no affiliate tag. Rankings are pure math.
| Rank | Product | $ / watt | Watts (product name) | Price today | vs. last week |
|---|---|---|---|---|---|
| #1 | PECRON PV200 200W Portable Solar Panel Waterproof IP67 Pecron In stock | $0.995 | 200 | $199.00 | history building |
| #2 | PECRON PV300 300W Portable Solar Panel Waterproof IP67 Pecron In stock | $0.997 | 300 | $299.00 | history building |
| #3 | PECRON PV100 100W Portable Solar Panel Waterproof IP67 Pecron In stock | $1.09 | 100 | $109.00 | history building |
| #4 | 50W Mono N-Type Rigid Solar Panel Renogy In stock | $1.12 | 50 | $55.99 | history building |
| #5 | 50W Flexible Solar Panel Renogy In stock | $1.56 | 50 | $77.99 | history building |
| #6 | 100W LW Solar Panel 12V Uncharted Supply Co In stock | $2.19 | 100 | $219.00 | history building |
| #7 | 100W LW Solar Panel 24V Uncharted Supply Co In stock | $2.19 | 100 | $219.00 | history building |
| #8 | E.Flex 30W Portable Solar Panel Renogy In stock | $2.47 | 30 | $73.99 | history building |
| #9 | Spectre 56W Solar Panel Uncharted Supply Co In stock | $6.25 | 56 | $349.99 | history building |
| #10 | Spectre 18W Solar Panel Uncharted Supply Co In stock | $11.11 | 18 | $199.99 | history building |
Price history started Oct 17, 2026; week-over-week changes appear as it builds. Prices checked Oct 17, 2026, 6:34 AM ET at each brand's own store. Tax and shipping not included.
Specs marked "product name" are read from the brand's own product title. Products sold in several sizes at different prices are left out of per-unit math so the spec matches the price.
Sold out today (3)
- Renogy Open Box 175 Watt Monocrystalline Solar Panel, last price $174.99
- Pecron PECRON PV500 500W Bifacial Portable Solar Panel Waterproof IP67, last price $539.00
- Uncharted Supply Co Spectre 200W Solar Panel, last price $549.99
Prepared, not scared
Cheapest isn't always best: check what each product includes on the brand page, and buy for the household you actually have. The Kit Calculator works out how much food and water that is.
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Questions people ask
What is the cheapest solar panels right now?
At today's prices: Pecron PECRON PV200 200W Portable Solar Panel Waterproof IP67 at $0.995 per watt ($199.00). This page updates every day.
How often is this ranking updated?
Daily. We check each brand store once a day and rebuild this page; the last check was Oct 17, 2026, 6:34 AM ET.
Why isn't my favorite brand listed?
We only collect prices from stores whose terms allow automated price checks. Brands that forbid it, such as EcoFlow, Jackery and Sawyer, are listed on our methods page.