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DEW21 Dortmund Energy and Water Supply GmbH is a utility company based in Dortmund, Germany, providing essential services including electricity, gas, water, and district heating to the local community. The company is dedicated to delivering reliable and efficient energy and water solutions while focusing on sustainability and environmental stewardship. DEW21 invests in modern technologies and renewable energy sources to improve service quality and operational efficiency. Its mission includes supporting regional development and enhancing the quality of life in Dortmund through its comprehensive utility services.