Holmene, located just 10 km south of Copenhagen, is the largest land reclamation project in Scandinavia in the years to come. It combines several needs in the region: A growing demand for sites for knowledge intensive industry, fossil-free energy production and flood barrier to secure both the existing and future areas. Furthermore it adds an enormous public accessible natural area.
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“Holmene” consist of nine industrial Islands; each surrounded by a nature belt ranging from active areas for sports to more tranquil areas for recreation. There’s even several small islets and reefs inaccessible for humans, to provide the best conditions for nature and wildlife at land as well as in the water.
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The biggest Island is reserved the development of green technologies and the biggest Waste-to-Energy plant in Northern Europe. Bio waste and waste water from the regions 1.5 million citizens is handled here and turned into clean water, resources and biogas. Together with heat storage, wind mills and other green technologies, an annual reduction of at least 70.000 tons CO2 and production of more than 300.000 MWh fossil free energy: Equivalent to the power consumption of 25% of the population of Copenhagen.
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The artificial islands are expected to be home to around 380 new businesses and create 12 000 jobs.

Much more information here