Skip to main content

Solaria vs Solarwatt - solar panel manufacturer comparison

Solaria
Spain Founded 2002
Read the Solaria review
VS
Solarwatt
Germany Founded 1993
Read the Solarwatt review
At a glance

Solarwatt has the broader catalog (44 vs 27 models). Solarwatt leads on peak efficiency at 23.00%. Solarwatt leans bifacial (50% 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
27 44
Highest power
680 Wp 460 Wp
Best efficiency
21.9% 23.0%
Average efficiency
20.0% 20.6%
Bifacial share
19% 50%
Average warranty
26 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
Solaria

Solaria is a leading European company focused on developing and generating solar photovoltaic energy. The company aims to contribute to decarbonization by creating a global energy model based on clean energy. Solaria specializes in the implementation and development of solar photovoltaic technology, from manufacturing...

Founded
2002
Headquarters
Madrid, Spain
Annual capacity
1.658 GW/year
Employees
235
Solarwatt
Founded
1993
Headquarters
Dresden, Germany
02

Catalogue against catalogue

Averages over every model in the database
Metric Solaria Solarwatt
Catalog & Power
Panel Models 27 44+17
Max Power 680 W+220 W 460 W
Avg Power 436 W+51 W 385 W
Efficiency
Max Efficiency 21.92% 23.00%+1.08 pp
Avg Efficiency 19.96% 20.56%+0.60 pp
Reliability & Warranty
Avg Temp Coefficient -0.360%/°C -0.330%/°C+0.029
Bifacial Share 5 (19%) 22 (50%)+31 pp
Avg Warranty 26.5 yrs 29.0 yrs+2.5 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

Solarwatt skews to higher efficiency: 2% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Solaria offers more 600W+ panels (19% of lineup)

Solaria cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (19%)

Solarwatt cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (77%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...
06

Other brand comparisons

Build your own
Manufacturers
Solaria A.B. Energy
Manufacturers
AE Solar Solarwatt
Manufacturers
Solaria AEET
Manufacturers
AIKO Solarwatt
Manufacturers
Solaria AKCOME
Manufacturers
ARTsolar Solarwatt
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 1 Solaria offer

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.