FINAL SYSTEM PERFORMANCE At the end of the first two development phases, the houseboats on the de Ceuvel site should be fully self-sufficient in renewable heat, water collection and upgrading, and have much lower electricity demand than a conventional office building. The buildings themselves will not only be highly eco-efficient, but also designed in a variety of architectural styles with creative exterior finishing. Communal constructions on the site will also provide shared sanitation facilities, organic waste treatment, nutrient recovery for use in on-site food production, and digital monitoring and feedback of system performance. The targets achieved on the site will differ depending on whether or not the community opts for investment in renewable electricity generation in phase two. TARGETS ACHIEVED WITHOUT RENEWABLE ELECTRICITY SUPPLY: › 50% - 70% renewable heat and hot water supply › 50 - 70% reduction in electricity demand over conventional › 100% wastewater and organic waste treatment › 80% nutrient recovery › 100% water self-sufficiency › 10 - 30% vegetable & fruit production using locally recovered nutrients › sensor network and real-time system performance displays › 70% reduction in electricity demand over conventional › 10 - 30% vegetable & fruit production using locally recovered nutrients › sensor network and real-time system performance displays TARGETS ACHIEVED WITH RENEWABLE ELECTRICITY SUPPLY: › 100% renewable heat and hot water supply › 100% renewable electricity › 100% wastewater and organic waste treatment › 100% water self-sufficiency › 80% nutrient recovery Pagina 36

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