• 2006 icons of humanity, HYPE Gallery, Berlin, Germany
  • 2006 ralph tepel photographs, solo exhibition, Sani, Greece
  • 2005 soul landscapes, solo exhibition, Thessaloniki, Greece
  • 2007 art of object, solo exhibition, Calgary, Canada
  • 2008 art work for the project „of great and mortal men“, USA
  • 2008 inspired by music, solo exhibition, Calgary
  • 2009 the contemporary Dayton, auction and group exhibition, Dayton, Ohio, USA
  • 2009 art meets carnival, group exhibition, Cologne, Germany
  • 2010 gallery sanssouci, fluidum, solo exhibition, Solingen, Germany
  • 2010 Natur und Mensch, group exhibition, St. Andreasberg, Germany
  • 2010 alles paletti, group exhibition, Solingen, Germany
  • 2014 Farben des Herbstes, gallery Rhineland, Solingen, Germany
  • 2014 10. Ways to plainness, Schloss Mitsuko, Thürkow, Germany
  • 2015 Die Gedanken sind frei, Kornelius-gallery, Kornelimünster, Germany
  • 2015 open studio exhibition: “entire life on a computer chip”, culture morning, Solingen, Germany
  • 2015 producer, assistant editor and composer „panta rei“ by Helmut Tollmann, K.U.L.T., Bedburg
  • 2015 ways to plainness 11 MUGA (Selbstvergessenheit) – 第11回 簡素への彷徨展, group exhibition, Schloss Mitsuko, Todendorf
  • 2015 Ralph Tepel: myth games- the encounter, solo exhibition, k1-gallery, Solingen, Germany
  • 2015 Literature illuminated- four installations at Festival of Light 2015, solo exhibition at the Bachtor-Center, Solingen, Germany
  • 2015 KUNST ist immer ein Geschenk – group Exhibition, k1 gallery, Solingen, Germany
  • 2016 Ralph Tepel: West-östlicher Divan, solo exhibition, k1-gallery, Solingen, Germany
  • 2016 ways to plainness 12 Toki no Nagare – Fließende Zeit, group exhibition, Schloss Mitsuko, Todendorf, Germany
  • 2017 Kunst und Gegenwart, 80 Galerie, group exhibition, Berlin, Germany
  • 2017 ways to plainness 13 Fragilität des Daseins, group exhibition, Schloss Mitsuko, Todendorf, Germany
  • 2017 Ralph Tepel – Malerei, Bildhauerei, Installationen, solo exhibition, galerie dr. jochim, Celle
  • 2017 Ralph Tepel – Skulpturen, solo Exhibition, k1 Galerie, Solingen
  • 2018 ways to plainness 14 – 形而上 das Metaphysische: die Form des Formlosen, group exhibition, Schloss Mitsuko, Todendorf, Germany
  • 2018 Schlosspark Stammheim Kunst 2018, group exhibition, Cologne, Germany
  • 2018/2019 Von Lichtern und Irrlichtern, solo light and land art installation, Todendorf, Germany
  • 2019 cubes & boxes, group exhibition, Düsseldorf, Germany
  • 2019 ways to plainness 15 – Yugen, group exhibition, Schloss Mitsuko, Todendorf, Germany
  • 2019/2020 Von Lichtern und Irrlichtern II, solo light and land art installation, Todendorf, Germany
  • 2020 ways to plainness 16 – Hishiryo, group exhibition, Schloss Mitsuko, Todendorf
  • 2021 ways to plainness 17 – Awase, group exhibition, Schloss Mitsuko, Todendorf
  • 2022 ways to plainness 18 – wo sich Vergänglichkeit und Ewigkeit berühren, group exhibition, Schloss Mitsuko, Todendorf
  • 2022 ralph tepel – photography works from 1986 – 2022, solo exhibition, gallery dr. jochim, Celle, Germany
  • 2022 ralph tepel – photography externally, solo exhibition, gallery dr. jochim at Schloss Mitsuko, Germany
  • 2022/2023 Von Lichtern und Irrlichtern – Maks Dannecker, Lorenz Radeloff, Ralph Tepel, Todendorf, Germany