The overall objective is to accelerate retrofitting of day¬lighting and electric lighting solutions in the non-domestic sector using cost effective, best-practice approaches, which can be used on a wide range of typical existing buildings.

This includes the following activities:

• Develop a sound overview of the lighting retrofit market
• Trigger discussion, initiate revision and enhancement of local and national regulations, certifications and loan programs
• Increase robustness of daylight and electric lighting retrofit approaches technically, ecologically and economically
• Increase understanding of lighting retrofit processes by providing adequate tools for different stakeholders
• Demonstrate state-of-the-art lighting retrofits
• Develop as a joint activity an electronic interactive source book including design inspirations, design advice, decision tools and design tools