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K2 alternatives & similar sites

K2 Systems - Montagesysteme für Photovoltaikanlagen — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Power And Energy Industry →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
k2-systems.com ↗	85 match shared topic	K2 Systems - Montagesysteme für Photovoltaikanlagen	de	power-and-energy-industry WordPress	robotsllmsaihumans	emailphone	none
solarwatt.de ↗	65 match shared topic	Solarwatt: Photovoltaikanlagen & innovative Energielösungen	Germany de	green-solutions	robotsllmsaihumans	emailphone	none
photovoltaikanlage-in.de ↗	65 match shared topic	Photovoltaikanlagen von greenap SOLUTIONS	Germany de	green-solutions TYPO3	robotsllmsaihumans	email phone	none
renusol.com ↗	65 match shared topic	Photovoltaik Montagesysteme - Renusol DE	de	green-solutions Contao	robotsllmsaihumans	emailphone	none
fartec.ch ↗	65 match shared topic	Ihr Spezialist für Photovoltaikanlagen - Festpreis Garantie	Switzerland de	green-solutions	robotsllmsaihumans	email phone	none
enermore.net ↗	65 match shared topic	Photovoltaikanlagen und Speicher - Für Unternehmen / Privat	de	power-and-energy-industry WordPress WooCommerce	robotsllmsaihumans	emailphone	none
hagen-energiesysteme.de ↗	65 match shared topic	Hagen Energiesysteme: Photovoltaikanlagen & Ladestationen	Germany de	green-solutions WordPress	robotsllmsaihumans	email phone	none
solartechnik-nrw.de ↗	55 match shared topic	Solartechnik NRW aus Velbert im Kreis Mettmann - Solaranlagen - PV Anlagen	Germany de	power-and-energy-industry WordPress WooCommerce	robotsllmsaihumans	emailphone	none
swissolar.ch ↗	55 match shared topic	Swissolar – Schweizerischer Branchenverband für Sonnenenergie	Switzerland de	power-and-energy-industry	robotsllmsaihumans	emailphone	none
top50-solar.de ↗	55 match shared topic	Top50-Solar \| Solarenergie Deutschland \| Photovoltaik Deutschland \| Erneuerbare Energien Deutschland	Germany de	power-and-energy-industry TYPO3	robotsllmsaihumans	emailphone	none
froeling.com ↗	55 match shared topic	Holzheizung & Biomasseheizung Hersteller aus Österreich - Fröling	de	power-and-energy-industry WordPress	robotsllmsaihumans	email phone	none
e3dc.com ↗	55 match shared topic	Startseite - E3/DC	de	power-and-energy-industry WordPress	robotsllmsaihumans	emailphone	none
energieschweiz.ch ↗	55 match shared topic	EnergieSchweiz: Programm für Energieeffizienz und erneuerbare Energien	Switzerland de	power-and-energy-industry	robotsllmsaihumans	emailphone	none
ibc-solar.de ↗	55 match shared topic	Deutschlands erfahrenster Photovoltaik Anbieter \| IBC SOLAR	Germany de	green-solutions TYPO3	robotsllmsaihumans	emailphone	none
ews-schoenau.de ↗	55 match shared topic	100 % Ökostrom – Klimaschutz mit Rebellenkraft \| EWS Schönau	Germany de	power-and-energy-industry	robotsllmsaihumans	emailphone	none
green-planet-energy.de ↗	55 match shared topic	Ökostromanbieter für grüne Energie \| Green Planet Energy	Germany de	power-and-energy-industry TYPO3	robotsllmsaihumans	email phone	none
greenpeace-energy.de ↗	55 match shared topic	Ökostromanbieter für grüne Energie \| Green Planet Energy	Germany de	power-and-energy-industry TYPO3	robotsllmsaihumans	email phone	none
iwb.ch ↗	55 match shared topic	IWB - von Natur aus klimafreundlich	Switzerland de	power-and-energy-industry	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.