---
title: "HT-SAAE vs Solarspace - Brand Comparison | ComparePV"
description: "Compare HT-SAAE vs Solarspace solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/ht-saae-vs-solarspace"
---

# HT-SAAE vs Solarspace

HT-SAAE has the broader catalog (112 vs 82 models). HT-SAAE leads on peak efficiency at 23.90%. Solarspace leans bifacial (93% of lineup).


## The two companies


| Attribute | HT-SAAE | Solarspace |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Shanghai | Xuzhou |
| Founded | 1998 | 2011 |
| Employees | 500+ | 6000+ |
| Annual capacity | 2+ GW/year | 60+ GW/year |
| Tier 1 | yes | yes |
| Listed | Shanghai Stock Exchange: 600151:SHH |  |
| Website | [http://www.ht-saae.com](http://www.ht-saae.com) | [https://solarspace.com](https://solarspace.com) |

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...

SolarSpace is a world-leading solar cell and module manufacturer, focusing on high-efficiency solar technology production both in China and overseas. They are among the top solar cell manufacturers, providing high-quality solar modules with core cell technology worldwide. SolarSpace is dedicated to empowering solar...


## Catalog & Power


| Measure | HT-SAAE | Solarspace | Margin |
| --- | --- | --- | --- |
| Panel Models | 112 | 82 | +30 |
| Max Power | 715 W | 710 W | +5 W |
| Avg Power | 470 W | 539 W | +69 W |


## Efficiency


| Measure | HT-SAAE | Solarspace | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.90% | 23.16% | +0.74 pp |
| Avg Efficiency | 20.47% | 22.04% | +1.57 pp |


## Reliability & Warranty


| Measure | HT-SAAE | Solarspace | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.299%/°C | +0.022 |
| Bifacial Share | 53 (47%) | 76 (93%) | +45 pp |
| Avg Warranty | 29.1 yrs | 29.6 yrs | +0.5 yr |


## Efficiency distribution

HT-SAAE skews to higher efficiency: 24% of lineup is 23%+


| Efficiency band | HT-SAAE | Solarspace |
| --- | --- | --- |
| \<20% | 30 (26.8%) | 0 |
| 20-21% | 4 (3.6%) | 7 (8.5%) |
| 21-22% | 12 (10.7%) | 26 (31.7%) |
| 22-23% | 39 (34.8%) | 46 (56.1%) |
| 23%+ | 27 (24.1%) | 3 (3.7%) |


## Power distribution

Solarspace offers more 600W+ panels (33% of lineup)


| Power band | HT-SAAE | Solarspace |
| --- | --- | --- |
| \<400W | 30 (26.8%) | 1 (1.2%) |
| 400-499W | 33 (29.5%) | 35 (42.7%) |
| 500-599W | 29 (25.9%) | 19 (23.2%) |
| 600-699W | 16 (14.3%) | 24 (29.3%) |
| 700W+ | 4 (3.6%) | 3 (3.7%) |


## Cell technology

Dominant cell tech: **TOPCon** (79%)

Dominant cell tech: **N-type** (70%)


| Technology | HT-SAAE | Solarspace |
| --- | --- | --- |
| TOPCon | 88 (78.6%) | 7 (8.5%) |
| PERC | 19 (17.0%) | 18 (22.0%) |
| Unknown | 5 (4.5%) | 0 |
| N-type | 0 | 57 (69.5%) |


## Top panels, HT-SAAE


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HT66-210(ND)-F 715W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-715w) | 715 | 23.0 | -0.310 | Monocrystalline |
| 2 | [HT66-210(ND)-F 710W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-710w) | 710 | 22.9 | -0.310 | Monocrystalline |
| 3 | [HT66-210(ND)-F 705W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-705w) | 705 | 22.7 | -0.310 | Monocrystalline |
| 4 | [HT66-210(ND)-F 700W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-700w) | 700 | 22.5 | -0.310 | Monocrystalline |
| 5 | [HT66-210(ND)-F 695W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-695w) | 695 | 22.4 | -0.310 | Monocrystalline |
| 6 | [HT66-18X(N)-630W](https://comparepv.com/panel/ht-saae-ht66-18x-n-630w) | 630 | 23.3 | -0.310 | Monocrystalline |
| 7 | [HT66-18X(N)-625W](https://comparepv.com/panel/ht-saae-ht66-18x-n-625w) | 625 | 23.1 | -0.310 | Monocrystalline |
| 8 | [HT66-18X(ND)-F 620W](https://comparepv.com/panel/ht-saae-ht66-18x-nd-f-620w) | 620 | 23.0 | -0.310 | Monocrystalline |
| 9 | [HT66-18X(N)-620W](https://comparepv.com/panel/ht-saae-ht66-18x-n-620w) | 620 | 23.0 | -0.310 | Monocrystalline |
| 10 | [HT66-18X(ND)-F-620](https://comparepv.com/panel/ht-saae-ht66-18x-nd-f-620) | 620 | 23.0 | -0.310 | Monocrystalline |


## Top panels, Solarspace


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SS9-66HD-710N](https://comparepv.com/panel/solarspace-ss9-66hd-710n) | 710 | 22.9 | -0.290 | Monocrystalline |
| 2 | [SS9-66HD-705N](https://comparepv.com/panel/solarspace-ss9-66hd-705n) | 705 | 22.7 | -0.290 | Monocrystalline |
| 3 | [SS9-66HD-700N](https://comparepv.com/panel/solarspace-ss9-66hd-700n) | 700 | 22.5 | -0.290 | Monocrystalline |
| 4 | [SS9-66HD-695N](https://comparepv.com/panel/solarspace-ss9-66hd-695n) | 695 | 22.4 | -0.290 | Monocrystalline |
| 5 | [SS9-66HD-690N](https://comparepv.com/panel/solarspace-ss9-66hd-690n) | 690 | 22.2 | -0.290 | Monocrystalline |
| 6 | [SS9-66HD-685N](https://comparepv.com/panel/solarspace-ss9-66hd-685n) | 685 | 22.1 | -0.290 | Monocrystalline |
| 7 | [SS9-66HD-680N](https://comparepv.com/panel/solarspace-ss9-66hd-680n) | 680 | 21.9 | -0.290 | Monocrystalline |
| 8 | [SS9-66HD-675N](https://comparepv.com/panel/solarspace-ss9-66hd-675n) | 675 | 21.7 | -0.290 | Monocrystalline |
| 9 | [SS9-66HD-670M](https://comparepv.com/panel/solarspace-ss9-66hd-670m) | 670 | 21.6 | -0.330 | Monocrystalline |
| 10 | [SS9-66HD-670N](https://comparepv.com/panel/solarspace-ss9-66hd-670n) | 670 | 21.6 | -0.290 | Monocrystalline |


## Summary

HT-SAAE, whose full name is Shanghai Aerospace Automobile Electromechanical Co., Ltd., is a Chinese state-owned enterprise with roots tracing to China's aerospace program of the 1960s, and it pivoted to commercial solar in the late 1990s. The company operates a vertically integrated supply chain from silicon sourcing in Inner Mongolia to module assembly in Jiangsu and Turkey, with annual production capacity reported at roughly 2 GW. Solarspace, founded in 2011 and headquartered in China, has grown far more aggressively: it completed a 16 GW TOPCon cell manufacturing facility and ranked second globally in solar cell shipments for the full year 2024, with overseas factories in Laos supporting exports to the United States and India. Both brands appear on BloombergNEF's Tier 1 bankability list, but Solarspace's scale - 30 GW-plus of cell capacity - gives it a considerably larger institutional and supply-chain footprint.

HT-SAAE serves a broad range of applications with its dual P-type and N-type portfolio, covering outputs from around 330 W up to 630 W. Its N-type (TOPCon) modules carry a 30-year product and performance warranty, and the brand earned recognition on the PV Top Performers List 2024 across all seven durability test categories, making it a credible option for residential and light-commercial rooftop projects where long-term reliability is a priority. Solarspace, by contrast, is primarily positioned as a cell and module supplier at scale - its TOPCon cells power a wide range of downstream module products from 400 W to 720 W - and it finds its natural home in utility-scale ground-mount and large commercial projects where volume pricing matters.

For a typical buyer in 2025, the choice depends on context. Homeowners and small-commercial installers who value independent durability test results and a differentiated warranty structure will find HT-SAAE the more transparent retail-facing brand. Developers and EPCs working at utility scale will more likely encounter Solarspace as a cell supplier or through OEM channels, where its manufacturing depth and cost position are clear advantages.

\---LINKS---

\- https://www.energysage.com/solar-panels/ht-saae/ \| HT-SAAE Solar Panels - EnergySage overview \| review

\- https://www.solarchoice.net.au/products/panels/ht-saae-solar-panels-review/ \| HT-SAAE Solar Panels - independent review by Solar Choice \| review

\- https://www.pv-tech.org/industry-updates/solarspace-announces-completion-of-16gw-topcon-cell-manufacturing-facility/ \| Solarspace completes 16 GW TOPCon cell manufacturing facility - PV Tech \| article

\- https://www.pv-magazine.com/2023/01/06/solarspace-shifts-topcon-solar-cell-factory-to-full-capacity/ \| Solarspace shifts TOPCon solar cell factory to full capacity - PV Magazine \| article

\- https://taiyangnews.info/business/top-5-solar-cell-manufacturers-all-chinese-shipped-78-gw-in-h1-2024 \| Top 5 solar cell manufacturers shipped 78 GW in H1 2024 - TaiyangNews \| article

Sources:

\- \[HT-SAAE Solar Panels - EnergySage\](https://www.energysage.com/solar-panels/ht-saae/)

\- \[HT-SAAE Solar Panels - Solar Choice\](https://www.solarchoice.net.au/products/panels/ht-saae-solar-panels-review/)

\- \[Solarspace completes 16 GW TOPCon facility - PV Tech\](https://www.pv-tech.org/industry-updates/solarspace-announces-completion-of-16gw-topcon-cell-manufacturing-facility/)

\- \[Solarspace shifts TOPCon factory to full capacity - PV Magazine\](https://www.pv-magazine.com/2023/01/06/solarspace-shifts-topcon-solar-cell-factory-to-full-capacity/)

\- \[Top 5 solar cell manufacturers H1 2024 - TaiyangNews\](https://taiyangnews.info/business/top-5-solar-cell-manufacturers-all-chinese-shipped-78-gw-in-h1-2024)

Written by claude-sonnet from the figures above.


## Other comparisons

- [HT-SAAE vs A.B. Energy](https://comparepv.com/ht-saae-vs-a-b-energy)
- [AE Solar vs Solarspace](https://comparepv.com/ae-solar-vs-solarspace)
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- [AIKO vs Solarspace](https://comparepv.com/aiko-vs-solarspace)
- [HT-SAAE vs AKCOME](https://comparepv.com/ht-saae-vs-akcome)
- [ARTsolar vs Solarspace](https://comparepv.com/artsolar-vs-solarspace)


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Source: https://comparepv.com/ht-saae-vs-solarspace

Not in this file, on the page: the distributions above drawn as charts.