---
title: "AIKO vs Vespa Solar Enerji - Brand Comparison | ComparePV"
description: "Compare AIKO vs Vespa Solar Enerji solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/aiko-vs-vespa-solar-enerji"
---

# AIKO vs Vespa Solar Enerji

AIKO has the broader catalog (144 vs 9 models). AIKO leads on peak efficiency at 25.20%. Vespa Solar Enerji leans bifacial (100% of lineup).


## The two companies


| Attribute | AIKO | Vespa Solar Enerji |
| --- | --- | --- |
| Country | China | Turkey |
| Headquarters | Shanghai |  |
| Founded | 2009 |  |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | yes | no |
| Listed | SZSE: 600732 |  |
| Website | [https://www.aikosolar.com](https://www.aikosolar.com) |  |


## Catalog & Power


| Measure | AIKO | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Panel Models | 144 | 9 | +135 |
| Max Power | 805 W | 630 W | +175 W |
| Avg Power | 581 W | 514 W | +67 W |


## Efficiency


| Measure | AIKO | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 25.20% | 23.32% | +1.88 pp |
| Avg Efficiency | 23.65% | 21.31% | +2.34 pp |


## Reliability & Warranty


| Measure | AIKO | Vespa Solar Enerji | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.271%/°C | -0.334%/°C | +0.064 |
| Bifacial Share | 35 (24%) | 9 (100%) | +76 pp |
| Avg Warranty | 29.5 yrs | 30.0 yrs | +0.5 yr |


## Efficiency distribution

AIKO skews to higher efficiency: 85% of lineup is 23%+


| Efficiency band | AIKO | Vespa Solar Enerji |
| --- | --- | --- |
| \<20% | 3 (2.1%) | 0 |
| 20-21% | 3 (2.1%) | 3 (33.3%) |
| 21-22% | 3 (2.1%) | 5 (55.6%) |
| 22-23% | 12 (8.3%) | 0 |
| 23%+ | 123 (85.4%) | 1 (11.1%) |


## Power distribution

AIKO offers more 600W+ panels (60% of lineup)


| Power band | AIKO | Vespa Solar Enerji |
| --- | --- | --- |
| \<400W | 2 (1.4%) | 0 |
| 400-499W | 50 (34.7%) | 4 (44.4%) |
| 500-599W | 5 (3.5%) | 4 (44.4%) |
| 600-699W | 78 (54.2%) | 1 (11.1%) |
| 700W+ | 9 (6.2%) | 0 |


## Cell technology

Dominant cell tech: **Back Contact** (83%)

Dominant cell tech: **PERC** (89%)


| Technology | AIKO | Vespa Solar Enerji |
| --- | --- | --- |
| Back Contact | 119 (82.6%) | 0 |
| N-type | 17 (11.8%) | 0 |
| PERC | 7 (4.9%) | 8 (88.9%) |
| Flexible | 1 (0.7%) | 0 |
| TOPCon | 0 | 1 (11.1%) |


## Top panels, AIKO


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 | 25.1 | -0.260 | Monocrystalline |
| 2 | [AIKO-A800-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a800-grh78dw) | 800 | 24.9 | -0.260 | Monocrystalline |
| 3 | [AIKO-A795-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a795-grh78dw) | 795 | 24.8 | -0.260 | Monocrystalline |
| 4 | [AIKO-A790-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a790-grh78dw) | 790 | 24.6 | -0.260 | Monocrystalline |
| 5 | [AIKO-A785-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a785-grh78dw) | 785 | 24.4 | -0.260 | Monocrystalline |
| 6 | [AIKO-A780-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a780-grh78dw) | 780 | 24.3 | -0.260 | Monocrystalline |
| 7 | [AIKO-A775-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a775-grh78dw) | 775 | 24.1 | -0.260 | Monocrystalline |
| 8 | [AIKO-A770-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a770-grh78dw) | 770 | 24.0 | -0.260 | Monocrystalline |
| 9 | [AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 | 25.0 | -0.260 | Monocrystalline |
| 10 | [AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 | 24.9 | -0.260 | Monocrystalline |


## Top panels, Vespa Solar Enerji


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [VSP630DM-G12RT-132H](https://comparepv.com/panel/vespa-solar-enerji-vsp630dm-g12rt-132h) | 630 | 23.3 | -0.290 | Monocrystalline |
| 2 | [VSP555T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp555t-m10-144h) | 555 | 21.5 | -0.340 | Monocrystalline |
| 3 | [VSP550T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp550t-m10-144h) | 550 | 21.3 | -0.340 | Monocrystalline |
| 4 | [VSP545T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp545t-m10-144h) | 545 | 21.1 | -0.340 | Monocrystalline |
| 5 | [VSP540T-M10-144H](https://comparepv.com/panel/vespa-solar-enerji-vsp540t-m10-144h) | 540 | 20.9 | -0.340 | Monocrystalline |
| 6 | [VSP460T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp460t-m10-120h) | 460 | 21.2 | -0.340 | Monocrystalline |
| 7 | [VSP455T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp455t-m10-120h) | 455 | 21.0 | -0.340 | Monocrystalline |
| 8 | [VSP450T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp450t-m10-120h) | 450 | 20.8 | -0.340 | Monocrystalline |
| 9 | [VSP445T-M10-120H](https://comparepv.com/panel/vespa-solar-enerji-vsp445t-m10-120h) | 445 | 20.6 | -0.340 | Monocrystalline |


## Summary

AIKO is a Chinese solar manufacturer headquartered in Guangzhou, founded in 2009 with a focus on advanced cell research before scaling into module production. The company achieved BloombergNEF Tier 1 bankability status in Q3 2024 and had an annual production capacity of approximately 20 GW by early 2025, reportedly expanding toward 35 GW by mid-2026. Vespa Solar Enerji is a Turkish manufacturer based in Kayseri, established in 2022 and shipping its first panels in March 2023. No BloombergNEF Tier 1 designation was found for Vespa as of mid-2026, and the company's stated capacity sits around 300 MW per year, with infrastructure in place to scale toward 660 MW. By every institutional metric, AIKO carries the stronger global footprint.

AIKO's signature product line is built around its proprietary ABC (All Back Contact) cell architecture, a technology distinct from mainstream TOPCon and HJT approaches. Its Neostar series panels have reached module efficiencies above 24% under independent testing, combined with a notably low temperature coefficient and a 30-year product warranty. These characteristics make AIKO panels a competitive choice for premium residential rooftops and space-constrained commercial installations where every watt per square meter counts. Vespa Solar Enerji's catalog centers on MonoPERC crystalline modules in the 445 W to 555 W range, which are well-suited for standard commercial and small utility-scale ground mounts. The company reported supplying around 108 projects by early 2024, suggesting a regionally focused go-to-market approach rather than international scale.

For most buyers outside Turkey seeking bankable, high-efficiency modules in 2025-2026, AIKO is the clearer default choice, given its Tier 1 status, proven technology differentiation, and multi-GW supply reliability. Vespa Solar Enerji represents a credible domestic option for Turkish project developers who value local sourcing and supply-chain proximity, but its limited track record and sub-1 GW capacity make direct comparison with AIKO difficult at the global level.

\---LINKS---

\- https://aikosolar.com/en/aiko-achieves-prestigious-tier1-status/ \| AIKO achieves BloombergNEF Tier 1 status - official announcement \| article

\- https://www.solarquotes.com.au/panels/aiko-solar-review.html \| Aiko Solar panel review - SolarQuotes \| review

\- https://www.raylyst.eu/en/what-distinguishes-aiko-abc-technology-from-perc-topcon-or-hjt-panels/ \| What distinguishes AIKO ABC technology from PERC, TOPCon or HJT \| article

\- https://www.enfsolar.com/vespa-solar-enerji \| Vespa Enerji San.Tic.A.S. - company profile and panel specs \| article

\- https://www.energysage.com/supplier/28232/vespa-solar/ \| Vespa Solar - profile and reviews 2026 - EnergySage \| review

Sources:

\- \[AIKO Achieves Prestigious Tier 1 Status by BloombergNEF\](https://aikosolar.com/en/aiko-achieves-prestigious-tier1-status/)

\- \[Aiko Solar Panel Review - SolarQuotes\](https://www.solarquotes.com.au/panels/aiko-solar-review.html)

\- \[What distinguishes AIKO ABC technology from PERC, TOPCon or HJT panels\](https://www.raylyst.eu/en/what-distinguishes-aiko-abc-technology-from-perc-topcon-or-hjt-panels/)

\- \[Vespa Enerji - ENF Solar Profile\](https://www.enfsolar.com/vespa-solar-enerji)

\- \[Vespa Solar - EnergySage Profile\](https://www.energysage.com/supplier/28232/vespa-solar/)

Written by claude-sonnet from the figures above.


## Other comparisons

- [AIKO vs A.B. Energy](https://comparepv.com/aiko-vs-a-b-energy)
- [AE Solar vs Vespa Solar Enerji](https://comparepv.com/ae-solar-vs-vespa-solar-enerji)
- [AIKO vs AEET](https://comparepv.com/aiko-vs-aeet)
- [AKCOME vs Vespa Solar Enerji](https://comparepv.com/akcome-vs-vespa-solar-enerji)
- [AIKO vs ARTsolar](https://comparepv.com/aiko-vs-artsolar)
- [ASM vs Vespa Solar Enerji](https://comparepv.com/asm-vs-vespa-solar-enerji)


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Source: https://comparepv.com/aiko-vs-vespa-solar-enerji

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