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It has been the aim of the ”GREEN Catalogue” project (where G.R.E.E.N. is also an acronym of Global Renewable Energy Efficient Neighbourhoods) to develop a catalogue or manual with a definition of performance indicators and performance requirements/recommendations for best practice technologies in the area of Rational Use of Energy (RUE) and Renewable Energy Systems (RES) in buildings. A working group of experienced partners concerning practical use of RUE and RES in buildings has here received a feedback concerning 32 different building related technologies from 180-200 producers, builders, cities, energy offices and energy companies in 10 different EU-countries.

	Energy (+)*	Energy (++)**	BAT
2005	Proposed Receive news letters here   Local Green Catalogue in english, press here   European Green Catalogue, press here     GREEN Catalogue includes both proposed energy saving standards for building technologies as well as for building projects, based on a system with a reference standard (REF), an improved standard compared to this (energy+), a further improved standard (energy++) and the best available quality (BAT). For building projects realised before and after January 2006 this can e.g. be delivered as:      2006 standard	Proposed 2011 standard	Passive house standard
2006	Proposed 2011 Standard	Proposed 2016 standard	Passive house standard in connection to CO 2 neutral building.

*: Energy (+) should also include:	Use of Green Build Questionnaire with energy and environmental points.	Adapted energy supply solution with reduced losses.	Control of energy qualities and energy supply solution by independent energy specialist organisation / allocation of ˝% - 1% of the building costs for this.
**: Energy (++) includes besides energy (+) demands:	Use of renewable energy solutions e.g. solar energy for domestic hot water or ventilation.