Institute for Environmental & Sustainable Development

Group Energy Conservation

Dealing with building typologies, energy efficiency in the built environment and the cost effectiveness of building stock refurbishment towards NZEBs.
About Us

Active since December 1994 Excellence With Quality At It's Best!

The GRoup Energy Conservation (GREC) team is active since 1995 in the Institute for Environmental Research & Sustainable Development at the National Observatory of Athens.

Its activities include fundamental and applied research in energy conservation, thermal & CFD simulations, building energy audits, building energy design and renovations, thermal and solar building applications, and indoor environment. Activities also include normative advise, consulting services to E/M and architectural offices, teaching and training.

Research

Dealing with building typologies, energy efficiency in the built environment and the cost effectiveness of building stock refurbishment towards NZEBs

Buildings

Building’s energy use represents about 40% of the EU total final energy consumption and about a third of carbon dioxide emissions. The European Commission has adopted an action plan aimed at achieving a 20% reduction in primary energy use by improving energy efficiency, a reduction of GHGs at least 20% below 1990 levels, and an increase to 20% of RES contribution to EU’s gross final energy consumption, by 2020. The biggest energy savings are expected in the buildings sector. The energy performance of buildings directive (EPBD) transposition in Greece was enacted with KENAK in 2010. The new challenge is moving towards nearly zero energy buildings (NZEBs) by 2020. These efforts form part of the EU initiatives on climate change (under Kyoto Protocol) and security of energy supply.

Solar Energy Resources

Solar energy monitoring, modeling, forecasting and facilitating the dissemination of resources can support the exploitation of solar centralized and decentralized systems. This is part of the EU Technology Map for low-carbon technologies and policies that includes solar power generation and applications.

Energy Modeling & Planning

Energy modeling for different sectors can estimate the evolution of energy demand and assess various energy conservation and RES technologies. The need is to develop planning strategies for meeting the national energy and environmental goals in the context of the EU energy and climate initiatives, as well as other international conventions.

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