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AE Solar vs RedSolar - solar panel manufacturer comparison

AE Solar
Germany Founded 2003 Tier 1
Read the AE Solar review
VS
RedSolar
China Founded 2008
Read the RedSolar review
At a glance

AE Solar has the broader catalog (646 vs 41 models). AE Solar leads on peak efficiency at 24.43%. RedSolar leans bifacial (88% of lineup).

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.

Panel models
646 41
Highest power
730 Wp 720 Wp
Best efficiency
24.4% 23.2%
Average efficiency
21.1% 22.4%
Bifacial share
63% 88%
Average warranty
30 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
AE Solar

AE Solar is a German Tier 1 manufacturer of high-efficiency photovoltaic (PV) modules. The company specializes in producing durable and innovative solar panels with German engineering standards, offering solutions for residential, commercial, and utility-scale applications. AE Solar operates in over 100 countries and...

Founded
2003
Headquarters
Gersthofen, Germany
Annual capacity
2+ GW/year
Employees
501-1000
Tier 1 bankable
Yes
RedSolar

Hunan Red Solar New Energy Science and Technology Co., Ltd. (RedSolar) is a state-owned high-tech enterprise incubated by the 48th Research Institute of China Electronics Technology Group Corporation (CETC), one of China's largest Fortune 500 state-owned conglomerates. The company manufactures solar cells, PV modules...

Founded
2008
Headquarters
Changsha, China
Employees
1000-2000
02

Catalogue against catalogue

Averages over every model in the database
Metric AE Solar RedSolar
Catalog & Power
Panel Models 646+605 41
Max Power 730 W+10 W 720 W
Avg Power 489 W 582 W+93 W
Efficiency
Max Efficiency 24.43%+1.23 pp 23.20%
Avg Efficiency 21.11% 22.36%+1.25 pp
Reliability & Warranty
Avg Temp Coefficient -0.312%/°C -0.303%/°C+0.009
Bifacial Share 405 (63%) 36 (88%)+25 pp
Avg Warranty 29.7 yrs+0.3 yr 29.4 yrs

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.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

RedSolar skews to higher efficiency: 10% of lineup is 23%+

Power spread
Share of each catalogue in every power band

RedSolar offers more 600W+ panels (61% of lineup)

AE Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (54%)

RedSolar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (83%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

AE Solar is a solar module manufacturer headquartered in Königsbrunn, Germany, founded in 2003. The company operates production facilities in China, Georgia, and Turkey, with a combined annual manufacturing capacity of 2.5 GW. It has been included on the BloombergNEF Global Tier 1 Solar Module Manufacturer List for the 16th consecutive time as of Q1 2025 and was identified by BloombergNEF as Europe's sole Tier 1 PV manufacturer with high bankability in 2024. AE Solar also holds the distinction of being the first DIBt-certified Tier 1 manufacturer in the industry and received the Kiwa PVEL Top Performer Award in 2025. RedSolar, formally Hunan RedSolar New Energy Technology Co., Ltd., is a Chinese state-owned enterprise founded in 2008 and incubated by the 48th Research Institute of CETC - China Electronics Technology Group Corporation - drawing on six decades of semiconductor and photovoltaic research heritage. The company reports cumulative delivery of over 30 GW of PV products and operates across more than 50 countries, though its bankability status under BloombergNEF criteria has not been confirmed in publicly available sources. On the dimension of institutional credibility for international project finance, AE Solar holds a clearly stronger position.

AE Solar's product portfolio spans from residential rooftop systems to utility-scale and commercial ground-mount applications. The lineup includes TOPCon and PERC-based modules, with bifacial variants, carport-specific modules, AgriPV solutions, and PV/thermal hybrid products confirmed across its range. This breadth makes the brand well suited to installers serving homeowners as well as C&I and large-scale project developers. RedSolar structures its offering around a matrix covering residential, commercial, industrial, and system-integration segments. ENF panel datasheets confirm the presence of TOPCon technology in its current lineup, including large-format G12 modules reaching the high-power segment. The company built what it describes as China's first fully localized intelligent PV cell production line in Hunan, reflecting meaningful vertical integration, though independent performance reviews from established testing bodies are limited in publicly searchable sources.

For most international buyers - particularly those in markets where project bankability and lender acceptance matter - AE Solar is the safer default choice. Its verified BloombergNEF Tier 1 status, European headquarters, and recognized third-party certifications lower financing risk and simplify insurance underwriting. RedSolar may appeal to buyers who value its CETC semiconductor lineage and potentially competitive pricing on large-volume orders, but the absence of publicly confirmed bankability credentials warrants additional due diligence before committing it to a financed project portfolio.

Generated by Claude Sonnet · 2026-05-14

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 4 AE Solar 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.