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Hiwatt Solar vs AIKO - solar panel manufacturer comparison

Hiwatt Solar
Headquarters not published
Read the Hiwatt Solar review
VS
AIKO
China Founded 2009 Tier 1
Read the AIKO review
At a glance

AIKO has the broader catalog (144 vs 109 models). AIKO leads on peak efficiency at 25.20%. AIKO leans bifacial (24% 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
109 144
Highest power
730 Wp 805 Wp
Best efficiency
23.5% 25.2%
Average efficiency
20.6% 23.7%
Bifacial share
13% 24%
Average warranty
25 yrs 30 yrs
01

The two companies

Company facts, not datasheet figures
AIKO
Founded
2009
Headquarters
Shanghai, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Hiwatt Solar AIKO
Catalog & Power
Panel Models 109 144+35
Max Power 730 W 805 W+75 W
Avg Power 476 W 581 W+106 W
Efficiency
Max Efficiency 23.50% 25.20%+1.70 pp
Avg Efficiency 20.60% 23.65%+3.05 pp
Reliability & Warranty
Avg Temp Coefficient -0.340%/°C -0.271%/°C+0.069
Bifacial Share 14 (13%) 35 (24%)+11 pp
Avg Warranty 25.0 yrs 29.5 yrs+4.5 yr

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

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

Power spread
Share of each catalogue in every power band

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

Hiwatt Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (46%)

AIKO cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>Back Contact</strong> (83%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Hiwatt Solar is a Chinese photovoltaic manufacturer with a reported annual production capacity of approximately 2.2 GW. The company produces a range of crystalline silicon modules including large-format 210 mm cell panels rated above 670 W, bifacial variants, and half-cut cell formats certified to IEC 61215 and IEC 61730 standards. No confirmed BloombergNEF Tier 1 listing for Hiwatt was found in publicly available industry sources, and the brand carries a relatively low profile in major trade publications. AIKO, by contrast, is a Chinese manufacturer founded around 2009 with production facilities spanning multiple gigafactories across Guangdong, Foshan, Zhuhai, Jinan, and other Chinese hubs, plus an R&D centre in Freiburg, Germany. AIKO achieved BloombergNEF Tier 1 status as of Q3 2024 and, as of early 2025, operates at roughly 20 GW of annual production capacity. On institutional footprint and verified bankability, AIKO holds a considerably stronger position.

AIKO has built its market identity around a proprietary All Back Contact (ABC) cell architecture, branded under the Neostar product family. ABC technology relocates all electrical contacts to the rear of the cell, eliminating front-side shading losses; independent reviewers and Taiyangnews efficiency rankings confirm mass-production module efficiencies in the 22.5-24% range, with cell-level records above 27%. The panels are positioned as a premium choice for space-constrained residential rooftops and high-performance commercial installations where power density justifies the higher upfront price. Hiwatt's catalog covers a broader mix of conventional mono and poly bifacial formats, suggesting an orientation toward volume supply in commercial and utility segments without a differentiated cell technology story.

For most buyers in 2025, AIKO is the more defensible default - it offers documented efficiency leadership, a confirmed bankability track record, a strong installer community in key markets, and a 30-year performance warranty with low degradation. Hiwatt may serve cost-sensitive procurement where Tier 1 status is not a lender requirement, but independent field data remains sparse, making it a higher-risk choice for financed projects.

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 174 AIKO 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.