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AE Solar vs VNS Bulgaria - solar panel manufacturer comparison

AE Solar
Germany Founded 2003 Tier 1
Read the AE Solar review
VS
VNS Bulgaria
Bulgaria Founded 2009
Read the VNS Bulgaria review
At a glance

AE Solar has the broader catalog (646 vs 0 models). AE Solar leans bifacial (63% 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 0
Highest power
730 Wp 0 Wp
Best efficiency
24.4% -
Average efficiency
21.1% -
Bifacial share
63% 0%
Average warranty
30 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
VNS Bulgaria

VNS Bulgaria Ltd. was established in 2009 and focuses on manufacturing and construction of solar street lighting, solar park lighting, LED street lamps, photovoltaic systems, and various other solar systems. The company utilizes innovative technologies in its designs and constructions and has completed over 1000...

Founded
2009
Headquarters
Kurdjali, Bulgaria
Annual capacity
null GW/year
Employees
null
02

Catalogue against catalogue

Averages over every model in the database
Metric AE Solar VNS Bulgaria
Catalog & Power
Panel Models 646+646 0
Max Power 730 W+730 W 0 W
Avg Power 489 W+489 W 0 W
Efficiency
Max Efficiency 24.43% -
Avg Efficiency 21.11% -
Reliability & Warranty
Avg Temp Coefficient -0.312%/°C -
Bifacial Share 405 (63%)+63 pp 0 (0%)
Avg Warranty 29.7 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

AE Solar skews to higher efficiency: 9% of lineup is 23%+

Power spread
Share of each catalogue in every power band

AE Solar offers more 600W+ panels (13% of lineup)

AE Solar cell technology
Share of their models by cell architecture

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

VNS Bulgaria cell technology
Share of their models by cell architecture
04

The flagships

Highest-power models from each brand
VNS Bulgaria all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

AE Solar, trading as AE Alternative Energy GmbH, is a solar module manufacturer headquartered in Königsbrunn, Germany, with roots going back to 2003. Its production footprint spans facilities in China, Georgia, and Turkey, giving it a combined annual manufacturing capacity of approximately 2.5 GW. The company has appeared on the BloombergNEF Tier 1 Global Solar Module Manufacturer List sixteen times, including Q1 2025, and was singled out by BloombergNEF as Europe's sole Tier 1 PV manufacturer with high bankability in 2024. In terms of institutional credibility, AE Solar is clearly the stronger of the two brands under review.

VNS Bulgaria Ltd. is a Bulgarian company that operates primarily as a distributor and wholesaler of photovoltaic components rather than as a panel manufacturer in its own right. Its catalog includes modules from major Asian producers such as LONGi, JA Solar, Trina Solar, Jinko Solar, and Canadian Solar, complemented by inverters from SMA, Fronius, Huawei, and SolarEdge, as well as battery storage systems. Panel datasheets listed under the VNS Bulgaria name on ENF Solar carry LONGi model prefixes (LR5, LR7), pointing to resale or a private-label arrangement rather than independent manufacturing. The company is also noted for supplying solar street-lighting solutions to Bulgarian municipalities, suggesting a regional rather than international market orientation. No BloombergNEF Tier 1 listing for VNS Bulgaria as a module manufacturer has been identified through available sources.

For international buyers evaluating the two brands, AE Solar is the clear default choice wherever bankability and long-term support matter. It brings verified Tier 1 status, multi-continent production, a 30-year product warranty, and a Kiwa PVEL Top Performer 2025 award to the table. VNS Bulgaria may be a useful procurement channel for well-known Asian panel brands within the Balkan region, but it does not present itself as a comparable module manufacturer and the two brands are not interchangeable from a risk or bankability standpoint.

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 5 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.