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Astronergy vs HT-SAAE - solar panel manufacturer comparison

Astronergy
China Founded 2006 Tier 1
Read the Astronergy review
VS
HT-SAAE
China Founded 1998 Tier 1
Read the HT-SAAE review
At a glance

Astronergy has the broader catalog (150 vs 112 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
150 112
Highest power
735 Wp 715 Wp
Best efficiency
24.8% 23.9%
Average efficiency
22.7% 20.5%
Bifacial share
69% 47%
Average warranty
30 yrs 29 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
HT-SAAE

HT-SAAE (Shanghai Aerospace Automobile Electromechanical Co., Ltd.) is a state-owned enterprise specializing in photovoltaic products. The company integrates polysilicon, solar cells, battery packs, and photovoltaic + energy storage systems. They develop and manufacture solar panels for residential, commercial, and...

Founded
1998
Headquarters
Shanghai, China
Annual capacity
2+ GW/year
Employees
500+
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Astronergy HT-SAAE
Catalog & Power
Panel Models 150+38 112
Max Power 735 W+20 W 715 W
Avg Power 540 W+70 W 470 W
Efficiency
Max Efficiency 24.80%+0.90 pp 23.90%
Avg Efficiency 22.71%+2.24 pp 20.47%
Reliability & Warranty
Avg Temp Coefficient -0.293%/°C+0.028 -0.322%/°C
Bifacial Share 104 (69%)+22 pp 53 (47%)
Avg Warranty 29.6 yrs+0.5 yr 29.1 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: TOPCon (89%)

HT-SAAE cell technology
Share of their models by cell architecture

Dominant cell tech: TOPCon (79%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

HT-SAAE (Shanghai Aerospace Automobile Electromechanical Co., Ltd.) is a Chinese state-owned manufacturer headquartered in Shanghai, established in 1998 under the China Aerospace Science Technology Corporation (CASC). The company began commercializing aerospace-derived photovoltaic technology around 2000 and now operates facilities in Shanghai, Inner Mongolia, Jiangsu, and Turkey, with an annual manufacturing capacity of roughly 2 GW. It holds Tier 1 bankability status and appeared on the 2024 PVEL Top Performers list across all seven reliability test categories. Astronergy, founded in 2006 and headquartered in Haining, Zhejiang, is a photovoltaic subsidiary of CHINT Group, a Chinese industrial conglomerate founded in 1984 with operations in more than 140 countries. Astronergy has scaled far more rapidly, reporting module capacity of roughly 55 GW by late 2024, with TOPCon cell capacity approaching 59 GW. It is rated "A" by PV ModuleTech and reached a top-six position in the 2023 BloombergNEF bankability rankings. By scale and group backing, Astronergy carries the stronger institutional footprint.

HT-SAAE's catalog spans both P-type (PERC) and N-type (TOPCon) modules, covering residential, commercial, and utility-scale applications. Its positioning sits in the mid-tier value segment, making it a practical choice for cost-sensitive buyers who still require bankable reliability. Astronergy has pivoted heavily toward N-type TOPCon, which accounts for the dominant share of its output, while continuing limited development of HJT and back-contact cells. Its ASTRO N Series has been recognized in independent rankings for residential and commercial rooftop use, and large-format utility modules address ground-mount projects. Both brands appeared among PVEL's 2024 top performers in reliability testing, and both carry efficiency ratings in line with current industry norms.

For a typical 2025 buyer, Astronergy is the more defensible default: its greater scale, stronger BloombergNEF position, and TOPCon-dominant lineup align with the direction the industry is moving. HT-SAAE is not a weak alternative - its aerospace heritage and state-enterprise stability make it genuinely competitive, especially where regional availability or pricing favor it - but Astronergy's deeper institutional backing gives it a modest edge for buyers who prioritize long-term warranty confidence.

Generated by Claude Sonnet · 2026-05-19

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 37 Astronergy 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.