Skip to main content

Astronergy vs Heckert Solar - solar panel manufacturer comparison

Astronergy
China Founded 2006 Tier 1
Read the Astronergy review
VS
Heckert Solar
Germany Founded 1992
Read the Heckert Solar review
At a glance

Heckert Solar has the broader catalog (155 vs 150 models). Astronergy leads on peak efficiency at 24.80%. Astronergy leans bifacial (69% 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
150 155
Highest power
735 Wp 715 Wp
Best efficiency
24.8% 24.3%
Average efficiency
22.7% 21.4%
Bifacial share
69% 42%
Average warranty
30 yrs 27 yrs
01

The two companies

Company facts, not datasheet figures
Astronergy

Astronergy is a global manufacturer and supplier of solar modules, and a subsidiary of Chint Group, one of the world's leading providers of smart energy solutions. The company focuses on the R&D, production, and sales of high-efficiency crystalline silicon PV cells and PV modules. Astronergy has established...

Founded
2006
Headquarters
Hangzhou, China
Annual capacity
76+ GW/year
Employees
12000+
Tier 1 bankable
Yes
Heckert Solar

Heckert Solar is a German company based in Chemnitz, Saxony, specializing in the development, production and distribution of solar modules. Founded in 1992, the company has become a leading supplier of photovoltaic products, serving customers in over 120 countries. They manufacture high-quality, durable, and efficient...

Founded
1992
Headquarters
Chemnitz, Germany
Annual capacity
0.8 GW/year
Employees
201
02

Catalogue against catalogue

Averages over every model in the database
Metric Astronergy Heckert Solar
Catalog & Power
Panel Models 150 155+5
Max Power 735 W+20 W 715 W
Avg Power 540 W+120 W 420 W
Efficiency
Max Efficiency 24.80%+0.50 pp 24.30%
Avg Efficiency 22.71%+1.28 pp 21.43%
Reliability & Warranty
Avg Temp Coefficient -0.293%/°C+0.025 -0.318%/°C
Bifacial Share 104 (69%)+27 pp 65 (42%)
Avg Warranty 29.6 yrs+2.5 yr 27.1 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

Astronergy skews to higher efficiency: 39% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Astronergy offers more 600W+ panels (40% of lineup)

Astronergy cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (89%)

Heckert Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (34%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Astronergy is a Chinese module manufacturer recognized on BloombergNEF's Tier 1 list, confirming strong financial backing and bankability for lenders and large project developers. The company operates at massive scale, with plans to expand production capacity to roughly 100 GW per year by 2025 across ten factories in China and Thailand, alongside stated ambitions to localize manufacturing in the US, Australia, Canada and Europe. Heckert Solar, founded in 2001 and headquartered in Chemnitz, Germany, operates on a far smaller footprint, with production capacity estimated at around 0.8 to 0.9 GW per year, manufactured exclusively at its Saxony facilities, and no confirmed Tier 1 classification in public sources. In terms of institutional scale and global reach, Astronergy clearly holds the stronger position.

Astronergy's current lineup centers on fifth-generation TOPCon cell technology across the ASTRO N7, N7s, N7 Pro and N8 series, spanning lightweight residential modules (up to 470 W) through commercial rooftop products and utility-scale panels rated up to 725 W, with newer anti-dust frame designs aimed at reducing soiling losses. Heckert Solar, by contrast, focuses primarily on the German and broader European market, offering the PERC-based NeMo series for single-family homes, the bifacial Zeus series using n-type TOPCon or back-contact cells reaching up to 23.5 percent efficiency, and the newer Apollon line, with all modules TUV-tested and rated for resistance to ammonia and salt mist exposure.

For buyers prioritizing scale, global availability and documented bankability, particularly on commercial and utility-scale projects, Astronergy is the more straightforward default. Heckert Solar remains a sound choice for customers in Germany and neighboring markets who value local manufacturing, short supply chains and a European brand, though it does not match Astronergy's scale or formal Tier 1 standing.

Generated by Claude Sonnet 5 · 2026-10-01

06

Other brand comparisons

Build your own
Manufacturers
Astronergy A.B. Energy
Manufacturers
AE Solar Heckert Solar
Manufacturers
Astronergy AEET
Manufacturers
AIKO Heckert Solar
Manufacturers
Astronergy AKCOME
Manufacturers
ARTsolar Heckert Solar
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 41 Astronergy offers · See 15 Heckert 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.