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An intentional ecovillage and seminar centre in Bad Belzig, Germany, dedicated to community-based social and ecological experimentation.

Last updated October 14, 2026

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Overview

ZEGG, short for Zentrum für experimentelle Gesellschaftsgestaltung, is an intentional community and ecovillage on the outskirts of Bad Belzig in Brandenburg, approximately 80 kilometres southwest of Berlin. It functions both as a residential community and as an international centre for seminars, workshops and festivals addressing sustainable living, communication, conflict transformation, personal development, relationships, sexuality, art and political engagement. The project is generally presented as an effort to develop practical forms of social and ecological sustainability rather than as a conventional consumer brand. The community was established in 1991 on a roughly 15-hectare site purchased by people connected with the Bauhütte community project. Its intellectual background included the work of Dieter Duhm and Sabine Lichtenfels, who had promoted experiments in non-violent communal life, group processes and alternative approaches to relationships. Duhm and Lichtenfels later founded Tamera in Portugal, while ZEGG gradually developed its own institutional identity and moved away from a strongly leader-centred structure toward a more democratic and pluralist model. ZEGG combines residential life with an educational and hospitality business. Community members contribute to accommodation, catering, event administration, gardening, maintenance and seminar work; others are self-employed or work elsewhere. The site includes guest facilities, shared housing, workshops, artists’ studios, meeting rooms, a meditation space, a children’s building and facilities for festivals and training programmes. A non-profit limited company, ZEGG gGmbH, serves as the official host for the public events programme. Since 2015, the organisation has been recognised as a non-profit entity. A central feature of ZEGG’s social practice is the ZEGG Forum, a structured method of transparent communication for groups. Participants are encouraged to express thoughts, emotions and interpersonal tensions in a facilitated setting, with the aim of strengthening trust, reducing conflict and improving group cohesion. The community also examines different forms of partnership and sexuality. Its early years were associated with ideas of free love, while later practice placed greater emphasis on consent, partnership, openness and the coexistence of different relationship models, including monogamous and open relationships. The community applies ecological principles to its buildings, food systems and infrastructure. It operates a constructed wetland for wastewater treatment, produces heat on site with regionally sourced woodchips, uses photovoltaic and combined-heat-and-power systems, and supplements its electricity with renewable supply. Its organic garden produces vegetables, fruit, salads and flowers, while food for residents and guests is vegetarian and partly vegan. Permaculture, soil improvement, biochar and Terra Preta experiments have also formed part of its ecological work. ZEGG is a member of the Global Ecovillage Network and has received local Agenda 21 recognition for environmental initiatives. The project has also attracted sustained criticism. Public disputes focused especially on statements associated with Duhm’s earlier writings, ZEGG’s approach to sexuality and claims that the community reproduced sexist, authoritarian or sect-like tendencies. Critics, including Jutta Ditfurth, connected the project to broader controversies around alternative communities and alleged minimisation of sexual violence and child abuse. ZEGG rejected these accusations in a detailed statement in 2013. The organisation’s history is also inseparable from the difficult history of its site, which was used by Nazi organisations and later by East Germany’s foreign-intelligence service before being acquired by the community. Today ZEGG presents itself as an operating community, ecological demonstration site and educational centre rather than as a movement governed by a single doctrine.

History

ZEGG’s origins lie in the Bauhütte project founded in southern Germany in 1978 by Dieter Duhm. Bauhütte sought to develop a non-violent cultural model through communal living, intensive group work and experiments in relationships. Its participants treated community life as both a social experiment and a political statement. The project’s ideas were influenced by the wider alternative and 1968 movements, while its approach to love and sexuality became a particularly visible and controversial part of its identity. A group from Bauhütte established ZEGG in 1991 after acquiring a 15-hectare site near Bad Belzig for 2.1 million Deutsche Mark. The property had a complicated twentieth-century history. It had originally been used for agricultural purposes, later passed to the SS, and was used for cavalry and youth training during the Nazi period. After the Second World War it served as a training site for East German trade-union officials. In the 1960s it became a training centre for the foreign-intelligence service of the German Democratic Republic under Markus Wolf. Plans to convert it into a sanatorium were interrupted by the fall of the Berlin Wall and the collapse of the GDR. ZEGG later documented this history in an exhibition at the site. The young community initially had prominent ideological and leadership influences. Its experiments in collective living, sexuality and group transparency attracted interest but also strong criticism from sections of the press, feminist groups, churches and the political left. Critics associated the project with authoritarian or sect-like structures and objected to ideas in Duhm’s earlier writings that were viewed as sexist and as minimising sexual violence. In 1996, Jutta Ditfurth publicly described ZEGG as an authoritarian sex cult and raised further allegations concerning its political and social environment. ZEGG disputed these portrayals and, in 2013, published a detailed rebuttal. Duhm and Lichtenfels moved to Portugal and founded Tamera in 1994. ZEGG subsequently developed in a more internally democratic direction, with a broader range of views and less dependence on founding personalities. Its organisational model came to incorporate sociocratic principles: self-organising teams operate within defined areas, while higher-level bodies coordinate wider interests. A management team handles operational and financial matters, and the Visionsrat or Board represents the community’s broader aims. Significant social and financial questions may be addressed through consensus, and decisions can be revised when practical experience shows that they do not work. The ZEGG Forum became one of the project’s best-known contributions. Derived from processes developed in the earlier Bauhütte project, it uses facilitated, ritualised disclosure and feedback to make relationships and group tensions more visible. The method is intended for groups of roughly 12 to 50 people and has been adopted by other communities and networks outside Germany. Alongside the Forum, ZEGG’s programme expanded to include seminars and festivals on communication, non-violent communication, community-building, art, singing, relationships, sexuality and ecological practice. Environmental infrastructure became another defining part of the site. A constructed wetland wastewater system was installed in 1992. The community developed woodchip heating, renewable electricity generation, organic gardening, water-saving and soil-building practices, and experiments with biochar and Terra Preta. The one-hectare garden supplies part of the food served to residents and guests, which is vegetarian and partly vegan. ZEGG received local environmental awards in 2004 and 2011 and became associated with the Global Ecovillage Network. In its present form, ZEGG combines a residential population with a public seminar and hospitality operation. Community members live in shared arrangements or private units, contribute voluntary labour and participate in collective social processes. Children generally live with parents and attend local educational institutions, with community-supported childcare activities. The public-facing operation is hosted through ZEGG gGmbH, while the wider community maintains responsibility for its social organisation, site stewardship and long-term ecological and cultural objectives.

  • 2015

    Recognised as a non-profit organisation

    [1]

    ZEGG became recognised as a non-profit organisation in Germany.

  • 2013

    Community issues response to controversy

    [1]

    ZEGG published a detailed response to longstanding accusations about sexuality, sexism, authoritarianism and alleged sect-like tendencies.

  • 2011

    Second cited Agenda 21 environmental award

    [1]

    ZEGG again received second prize in the district competition, this time for its energy concept.

  • 2010

    Woodchip heating system modernised

    [1]

    The site’s heating infrastructure was modernised to use regionally sourced woodchips and reduce reliance on fossil energy.

  • 2004

    First cited Agenda 21 environmental award

    [1]

    ZEGG received second prize in the local Agenda 21 competition for woodchip heating and wetland wastewater treatment.

  • 1994

    Duhm and Lichtenfels establish Tamera

    [1]

    ZEGG’s associated founding figures moved to Portugal and created Tamera, while ZEGG continued developing as a separate community.

  • 1992

    Constructed wetland wastewater system built

    [1]

    ZEGG introduced a planted wetland system to treat wastewater and create additional habitat on the site.

  • 1991

    ZEGG established near Bad Belzig

    [1]

    A group connected with Bauhütte purchased the former institutional site and founded ZEGG as an intentional community and experimental cultural project.

  • 1978

    Bauhütte community project established

    [1]

    Dieter Duhm founded the Bauhütte project, whose experiments in communal life and group processes later provided an important intellectual and organisational background for ZEGG.

Products and positioning

A practical laboratory for intentional community, ecological living, transparent communication and social experimentation, serving residents, seminar participants and visitors.

  • Facilitated communication method

    ZEGG Forum

    A structured and ritualised group process designed to make thoughts, emotions, interpersonal tensions and feedback more transparent. Sessions generally involve groups of approximately 12 to 50 participants and are intended to support trust, conflict transformation and stronger social bonds. The method originated in the earlier Bauhütte project and became one of ZEGG’s most portable educational practices.

  • Community education

    Seminars and workshops

    ZEGG offers educational programmes covering community-building, communication, non-violent communication, personal development, relationships, love and sexuality, art, singing and ecological living. Activities are delivered through workshops, training sessions and longer events held at the community site.

  • Events and hospitality

    Festivals and retreats

    The community hosts larger public gatherings that combine lectures, facilitated group work, cultural activities, music, food and communal living. These events introduce visitors to ZEGG’s social and ecological practices while supporting the seminar-centre operation.

  • Accommodation and catering

    Ecovillage hospitality

    Through guest accommodation, catering and event facilities, ZEGG provides visitors with an immersive experience of its community and environmental systems. Food is vegetarian and partly vegan, with produce from the organic garden supplemented by organic, regional and fair-trade suppliers.

Controversies

  • 2013

    ZEGG publishes rebuttal to longstanding controversy

    The community issued a detailed statement rejecting accusations about authoritarianism, sexism, paedophile tendencies and the trivialisation of abuse. The cited reference notes that the statement is no longer available on ZEGG’s website.

  • 1996

    Public accusations concerning sexuality, sexism and sect-like structures

    ZEGG faced strong public criticism over its sexual orientation, its relationship to ideas associated with Dieter Duhm, and allegations that the community was authoritarian, sexist or cult-like. Jutta Ditfurth was among the sharpest critics and connected the controversy to claims concerning the handling of sexual violence and child abuse. The allegations were contested by ZEGG.

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Brand decisions

  • 2010

    Modernise the on-site heating systemGeneration change

    Background

    ZEGG aimed to reduce fossil-energy use and increase reliance on regional renewable resources.

    Action taken

    The community modernised its heating plant to operate with regionally sourced woodchips.

    Aftermath

    The heating system became part of ZEGG’s wider low-carbon infrastructure and environmental education model.

  • 1991

    Create an intentional community and experimental cultural centreStrategy

    Background

    The Bauhütte-related group sought to establish a permanent site for communal living, social experimentation and ecological development.

    Action taken

    The group purchased the Bad Belzig property and began developing ZEGG as both a residential community and seminar centre.

    Aftermath

    ZEGG became a long-running community and public educational venue.

  • Adopt sociocratic and consensus-based organisationStrategy

    Background

    As ZEGG matured, it sought to move beyond a structure centred on prominent founding figures and to support broader participation in community governance.

    Action taken

    The community organised work through self-managing teams, higher-level coordination bodies and consensus processes for important social and financial questions.

    Aftermath

    ZEGG developed a more democratic and pluralist internal model, with decisions subject to revision when they proved impractical.

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