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</html><thumbnail_url>https://elaad.nl/wp-content/uploads/2026/06/Testevent-res-flex-overview.jpg</thumbnail_url><thumbnail_width>1600</thumbnail_width><thumbnail_height>1200</thumbnail_height><description>Join the third Residential Flexibility Test Event and help shape the future of interoperable energy solutions.To support the development of seamless communication between Flexible Energy Intensive Devices (FEID) and Home Energy Management Systems (HEMS), ElaadNL is organising the third edition of this test event. Participants will have the opportunity to test their hardware and software [&hellip;]</description></oembed>
