Longi Solar vs Peimar - solar panel manufacturer comparison
Longi Solar has the broader catalog (255 vs 5 models). Longi Solar leads on peak efficiency at 25.00%.
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
LONGi Green Energy Technology Co., Ltd. is a world-leading solar technology company that manufactures monocrystalline silicon wafers and modules. The company is committed to providing high-efficiency and reliable clean energy solutions for large-scale power plants, various industries, and households. LONGi aims to be...
- Founded
- 2000
- Headquarters
- Xi'an, Shaanxi, China
- Annual capacity
- 85-90 GW/year
- Employees
- 37,853
- Tier 1 bankable
- Yes
Peimar is an Italian manufacturer of photovoltaic modules. Based in Turin, the company designs and produces solar panels for residential, commercial, and utility-scale applications, with a focus on the European market.
- Founded
- 2012
- Headquarters
- Torino, Italy
- Annual capacity
- 0.3 GW/year
- Employees
- 50
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
Longi Solar skews to higher efficiency: 43% of lineup is 23%+
Longi Solar offers more 600W+ panels (38% of lineup)
Dominant cell tech: N-type (42%)
Dominant cell tech: PERC (60%)
The flagships
Written summary
Longi Solar is a Chinese manufacturer founded in 2000 and headquartered in Xi'an, and it has repeatedly confirmed its BloombergNEF Tier 1 status through 2025, most recently maintaining the designation in the Q3 and Q4 2025 lists. The company operates at a massive scale, with annual module production capacity reported in the tens of gigawatts, positioning it among the largest PV manufacturers globally. Peimar, by contrast, is a much smaller Italian manufacturer founded in 2007 and based in Brescia, with a primary production facility in Castegnato (around 150 MW annual capacity) and a secondary facility in Ningbo, China (around 300 MW). Peimar's Tier 1 status is less consistently documented in independent BNEF listings, and it lacks the institutional footprint, analyst coverage, and bankability record that Longi has built as a listed, large-scale global supplier.
Product-wise, Longi's catalog spans from utility-scale ground-mount modules to premium residential lines, with its Hi-MO X10 and Hi-MO 6/9 series built around HPBC (back-contact) and TOPCon cell technology, and newer HIBC modules combining heterojunction with back-contact design for high-efficiency residential rooftops. Peimar positions itself around "Made in Italy" manufacturing quality, offering monocrystalline and polycrystalline modules aimed at residential, commercial, and off-grid installations, with reported average efficiencies around 22.8% and long linear power warranties, but without the same breadth of utility-scale deployment or advanced cell-technology diversity that Longi offers.
For a typical buyer in 2025, Longi is generally the safer default where bankability, financing eligibility, and large-project track record matter, given its confirmed Tier 1 status and global manufacturing scale. Peimar can be an appealing choice for buyers who specifically value European manufacturing origin and are working at residential or small commercial scale, but it is not a like-for-like substitute for Longi's institutional footprint or utility-scale credentials.
Generated by Claude Sonnet 5 · 2026-07-29
Other brand comparisons
Shop prices: See 157 Longi Solar offers · See 12 Peimar offers
Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.